Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set | Paper Citation Record

Observation 3675b629-c271-47a5-9259-6fbe7b09186a · outbound

This paper cites D9 ZO FE s( kZ.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set D9 ZO FE s( kZ

Reference 1

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Observation 1f0acf41-405b-4c7e-99d6-094e3ba6f33c · outbound

This paper cites A., Aliu , E., Arlen , T., et al.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set A., Aliu , E., Arlen , T., et al

Reference 2

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Observation 3eb16e05-7fd2-4089-8cab-00e46b15f953 · outbound

This paper cites M., et al.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set M., et al

Reference 3

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Observation 15a82373-177b-47ec-a7ce-7e154b55438b · outbound

This paper cites 2023 b , , 952, L37, 10.3847/2041-8213/ace18b.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2023 b , , 952, L37, 10.3847/2041-8213/ace18b

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Observation f54603b0-d008-4b0c-9f4f-d818d987204f · outbound

This paper cites J., & Natarajan , P.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set J., & Natarajan , P

Reference 5

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.677899Z

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Observation 246b2e17-d5b0-416d-9545-b49aa52486e5 · outbound

This paper cites N., & Wolf , R.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set N., & Wolf , R

Reference 6

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.681466Z

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Observation 0faee526-9287-451e-9715-ab785fe6c84b · outbound

This paper cites J., Perlman , E.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set J., Perlman , E

Reference 7

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.685493Z

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Observation c3813d21-6664-44fc-aabc-51bcb2bcdef9 · outbound

This paper cites C., Blandford , R.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set C., Blandford , R

Reference 8

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.688956Z

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Observation 9fc12616-29a7-499a-be6c-f7b795c089c5 · outbound

This paper cites P., Jord \'a n , A., Mei , S., et al.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set P., Jord \'a n , A., Mei , S., et al

Reference 9

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.692394Z

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Observation 94178499-ca07-4751-97c2-948d9d23d0fa · outbound

This paper cites 2015, Classical and Quantum Gravity, 32, 065002, 10.1088/0264-9381/32/6/065002.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2015, Classical and Quantum Gravity, 32, 065002, 10.1088/0264-9381/32/6/065002

Reference 10

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.695828Z

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Observation 4d2b6074-0f68-4bd4-82db-2d01edcc86e3 · outbound

This paper cites 2018, , 477, 3910, 10.1093/mnras/sty896.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2018, , 477, 3910, 10.1093/mnras/sty896

Reference 11

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.699385Z

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Observation 66224656-fb37-4f59-b773-c1481f1a22aa · outbound

This paper cites 2023, , 951, 106, 10.3847/1538-4357/accbbc.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2023, , 951, 106, 10.3847/1538-4357/accbbc

Reference 12

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.702969Z

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Observation ea27f8c5-3212-4a5b-b802-0539fc778514 · outbound

This paper cites 2018, , 478, 3199, 10.1093/mnras/sty1026.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2018, , 478, 3199, 10.1093/mnras/sty1026

Reference 13

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.706333Z

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Observation 0e8fd778-eff9-4234-8bb6-fcaaca235459 · outbound

This paper cites 1943, , 97, 255, 10.1086/144517.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 1943, , 97, 255, 10.1086/144517

Reference 14

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.709601Z

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Observation faf16a5e-da0c-46ef-aa8d-76f02baf0f85 · outbound

This paper cites 2023, , 955, L30, 10.3847/2041-8213/acf71c.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2023, , 955, L30, 10.3847/2041-8213/acf71c

Reference 15

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.714914Z

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Observation c80f961c-7c22-4173-a65a-9c2bbc860c6c · outbound

This paper cites 2023, , 621, 711, 10.1038/s41586-023-06479-6.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2023, , 621, 711, 10.1038/s41586-023-06479-6

Reference 16

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.718191Z

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Observation 2a3233d2-4915-4eef-8003-b12d331384e4 · outbound

This paper cites an unresolved cited work.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Unresolved cited work

Reference 17

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.949949Z

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No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation a3c8b105-5c2e-476a-9981-3b1c5ef71b3c · outbound

This paper cites T., et al.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set T., et al

Reference 18

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.725881Z

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Observation 46e33903-b354-4a13-8fb6-f8e878571bad · outbound

This paper cites 2020, in Star Clusters: From the Milky Way to the Early Universe, ed.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2020, in Star Clusters: From the Milky Way to the Early Universe, ed

Reference 19

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.730007Z

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Observation 4bf787b0-0d74-4849-aa0c-c884f63c9521 · outbound

This paper cites 2005, , 433, 604, 10.1038/nature03335.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2005, , 433, 604, 10.1038/nature03335

Reference 20

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.733538Z

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Observation 622bc5d6-e1d0-4d0e-a5f1-bac1a0f23bd0 · outbound

This paper cites T., Stappers , B.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set T., Stappers , B

Reference 21

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.736920Z

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Observation 856c3632-6e14-47e9-9286-d48563f2580d · outbound

This paper cites 2023, arXiv e-prints, arXiv:2306.04516, 10.48550/arXiv.2306.04516.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2023, arXiv e-prints, arXiv:2306.04516, 10.48550/arXiv.2306.04516

Reference 22

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.915042Z

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No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation 2554f930-b978-4074-9fb8-952aa5aac2a4 · outbound

This paper cites S., Barrett , J., Blackburn , L., et al.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set S., Barrett , J., Blackburn , L., et al

Reference 23

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.743711Z

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Observation 51ddc467-d116-4fc9-841c-71f357a63d69 · outbound

This paper cites Observational Signatures of Supermassive Black Hole Binaries.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Observational Signatures of Supermassive Black Hole Binaries

Reference 24

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.747181Z

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Observation f629090f-989a-4449-b6a3-8442e6da60c5 · outbound

This paper cites J., & Loeb , A.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set J., & Loeb , A

Reference 25

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.750893Z

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Observation 914ef60d-5baf-46e9-a236-d3e3c54128b0 · outbound

This paper cites A., Roupas , Z., & Silk , J.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set A., Roupas , Z., & Silk , J

Reference 26

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.754473Z

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Observation b3923eac-f9dc-4c70-8ed3-bb978859dfd7 · outbound

This paper cites T., Nagashima , M., & Sugiyama , N.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set T., Nagashima , M., & Sugiyama , N

Reference 27

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.757986Z

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Observation 2df12d7a-5fec-4eaf-aaa8-372b12532412 · outbound

This paper cites 2007, Progress of Theoretical Physics, 117, 241, 10.1143/PTP.117.241.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2007, Progress of Theoretical Physics, 117, 241, 10.1143/PTP.117.241

Reference 28

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.761764Z

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Observation 007ca659-743c-42d6-b495-320327c596ee · outbound

This paper cites 2019 a , , 875, L1, 10.3847/2041-8213/ab0ec7.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2019 a , , 875, L1, 10.3847/2041-8213/ab0ec7

Reference 29

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Observation 8c87a00c-50e4-4769-b85c-93ae2bb1cde2 · outbound

This paper cites 2019 b , , 875, L2, 10.3847/2041-8213/ab0c96.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2019 b , , 875, L2, 10.3847/2041-8213/ab0c96

Reference 30

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.768960Z

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Observation 2cef5394-78fa-4a6f-a8a8-24307f32bc93 · outbound

This paper cites 2019 c , , 875, L3, 10.3847/2041-8213/ab0c57.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2019 c , , 875, L3, 10.3847/2041-8213/ab0c57

Reference 31

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.772418Z

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Observation a4d19a3b-848d-4ef7-9de8-920fe1933651 · outbound

This paper cites 2019 d , , 875, L4, 10.3847/2041-8213/ab0e85.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2019 d , , 875, L4, 10.3847/2041-8213/ab0e85

Reference 32

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.775640Z

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Observation 273e8aa7-aeb2-4424-a9ac-55ba6256a616 · outbound

This paper cites 2019 e , , 875, L5, 10.3847/2041-8213/ab0f43.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2019 e , , 875, L5, 10.3847/2041-8213/ab0f43

Reference 33

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.779058Z

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Observation 9c303f09-ed6b-4184-8bcf-3a2c2f5440cc · outbound

This paper cites 2019 f , , 875, L6, 10.3847/2041-8213/ab1141.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2019 f , , 875, L6, 10.3847/2041-8213/ab1141

Reference 34

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.782325Z

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Observation 3a6498b3-bbf4-4931-8368-5a8fe8a2aced · outbound

This paper cites C., et al.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set C., et al

Reference 35

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.785862Z

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This paper cites 2024, , 681, A79, 10.1051/0004-6361/202347932.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2024, , 681, A79, 10.1051/0004-6361/202347932

Reference 36

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.789470Z

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Observation 550eb338-f571-4270-b5b0-f8f2c7107bad · outbound

This paper cites an unresolved cited work.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Unresolved cited work

Reference 37

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.792796Z

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Observation 6d61adab-81aa-4519-a629-3c1ec7368a21 · outbound

This paper cites G., Sesana , A., Cuadra , J., & Stasyszyn , F.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set G., Sesana , A., Cuadra , J., & Stasyszyn , F

Reference 38

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.796134Z

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Observation f294e8da-d4e8-4ee6-9c77-fafde42bf9ac · outbound

This paper cites 2000, , 532, L29, 10.1086/312562.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2000, , 532, L29, 10.1086/312562

Reference 39

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.799433Z

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Observation 8468a238-6728-499d-b1af-85e319db0559 · outbound

This paper cites I., Dehnen , W., & Bortolas , E.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set I., Dehnen , W., & Bortolas , E

Reference 40

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.802764Z

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Observation 457f46cb-5eff-4939-bfc9-dbc56ee4f05b · outbound

This paper cites 2024, , 32, 5, 10.1007/s00159-024-00155-y.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2024, , 32, 5, 10.1007/s00159-024-00155-y

Reference 41

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.806145Z

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Observation 3b64681e-bb10-424e-81c7-f587b40c8215 · outbound

This paper cites 2012, , 760, 52, 10.1088/0004-637X/760/1/52.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2012, , 760, 52, 10.1088/0004-637X/760/1/52

Reference 42

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.809566Z

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Observation e3caf1d8-25eb-484d-b9ca-0f5692b37583 · outbound

This paper cites 2014, , 788, 165, 10.1088/0004-637X/788/2/165.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2014, , 788, 165, 10.1088/0004-637X/788/2/165

Reference 43

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.813168Z

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Observation b739e5a1-4619-4b15-9420-831869b6f476 · outbound

This paper cites W., & Downs , G.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set W., & Downs , G

Reference 44

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.816734Z

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Observation 21ed5855-cae4-4a48-b45d-960055e72c9d · outbound

This paper cites 1989, , 340, 687, 10.1038/340687a0.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 1989, , 340, 687, 10.1038/340687a0

Reference 45

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.820205Z

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Observation d182f38a-d34a-4de0-ae7e-5bbf9d8841ad · outbound

This paper cites an unresolved cited work.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Unresolved cited work

Reference 46

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.639931Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation 7f87b668-30e4-4dcb-b1d6-853bfb20b090 · outbound

This paper cites F., Hernquist , L., Cox , T.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set F., Hernquist , L., Cox , T

Reference 47

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.827139Z

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Observation 6b76fbbc-fb5b-4d84-b861-3328680c5f88 · outbound

This paper cites F., Hernquist , L., Cox , T.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set F., Hernquist , L., Cox , T

Reference 48

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.830468Z

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Observation 9993d981-eae2-4415-b7f9-1f394d54a4fc · outbound

This paper cites W., Roelofs , F., et al.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set W., Roelofs , F., et al

Reference 49

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.834144Z

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Observation 01f820cc-6b58-402c-87cd-053ebbc7455b · outbound

This paper cites 2011, , 731, L9, 10.1088/2041-8205/731/1/L9.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2011, , 731, L9, 10.1088/2041-8205/731/1/L9

Reference 50

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.837417Z

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Observation d6e6f854-605d-4c66-be3f-ba303a46684d · outbound

This paper cites A., Hobbs , G.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set A., Hobbs , G

Reference 51

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.596816Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation 3b582c94-fc5e-4c6f-97f3-63e455c6c34c · outbound

This paper cites 2023, Galaxies, 11, 3, 10.3390/galaxies11010003.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2023, Galaxies, 11, 3, 10.3390/galaxies11010003

Reference 52

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.584971Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation 0aa537d3-33c1-43de-a7c5-498b4668a78a · outbound

This paper cites D., Akiyama , K., Blackburn , L., et al.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set D., Akiyama , K., Blackburn , L., et al

Reference 53

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.847626Z

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Observation ad5e06ae-95ec-4ceb-a233-53f5df283102 · outbound

This paper cites D., Akiyama , K., Baturin , R., et al.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set D., Akiyama , K., Baturin , R., et al

Reference 54

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.851186Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 64cd45b6-cbf6-46ff-96e9-7d2a11b5e611 · outbound

This paper cites 2023, , 108, 123535, 10.1103/PhysRevD.108.123535.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2023, , 108, 123535, 10.1103/PhysRevD.108.123535

Reference 55

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.564603Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation d737e6f2-307c-453f-9d5f-bf6e2ba4de5a · outbound

This paper cites Modeling the core-halo mass relation in fuzzy dark matter halos.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Modeling the core-halo mass relation in fuzzy dark matter halos

Reference 56

Resolution: metadata mismatch; local_arxiv, observed 2026-08-07T01:07:35.552806Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation 7bddf5db-eba8-4562-bc58-20aeccf6c24c · outbound

This paper cites 2022, , 925, 61, 10.3847/1538-4357/ac39a2.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2022, , 925, 61, 10.3847/1538-4357/ac39a2

Reference 57

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.535935Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation 9133cd08-9eae-4871-96ee-987d8bd76d3f · outbound

This paper cites Imaging a ring-like structure and the extended jet of M87 at 86 GHz.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Imaging a ring-like structure and the extended jet of M87 at 86 GHz

Reference 58

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.865529Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b1765d52-e85c-4a92-906c-5e849f474a81 · outbound

This paper cites 2008, , 684, 870, 10.1086/590230.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2008, , 684, 870, 10.1086/590230

Reference 59

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.512068Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation efa1bdf0-600d-4d10-a47c-4a2264b2e6c0 · outbound

This paper cites 1995, , 33, 581, 10.1146/annurev.aa.33.090195.003053.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 1995, , 33, 581, 10.1146/annurev.aa.33.090195.003053

Reference 60

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.873095Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 15752e12-3d41-4b05-b04d-300d5034b64a · outbound

This paper cites 2015, , 67, 67, 10.1093/pasj/psu144.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2015, , 67, 67, 10.1093/pasj/psu144

Reference 61

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.500197Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation f4da6455-2ac2-4857-8568-7bdd9d166da0 · outbound

This paper cites 1993, , 262, 627, 10.1093/mnras/262.3.627.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 1993, , 262, 627, 10.1093/mnras/262.3.627

Reference 62

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.879772Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c54937df-19ec-44e5-a3f7-28b406ba891f · outbound

This paper cites 2014, , 795, 146, 10.1088/0004-637X/795/2/146.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2014, , 795, 146, 10.1088/0004-637X/795/2/146

Reference 63

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.883171Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a7fac936-d786-46c5-9f63-c60a5aa8faf3 · outbound

This paper cites P., et al.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set P., et al

Reference 64

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.886604Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4b8a8cfc-4ccc-4494-ab5b-d565431c963d · outbound

This paper cites 2018, Gravitational Waves: Volume 2: Astrophysics and Cosmology , 10.1093/oso/9780198570899.001.0001.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2018, Gravitational Waves: Volume 2: Astrophysics and Cosmology , 10.1093/oso/9780198570899.001.0001

Reference 65

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.890084Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b48fb906-0519-4d08-bba6-29f0c816f238 · outbound

This paper cites 2007, , 656, 879, 10.1086/510344.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2007, , 656, 879, 10.1086/510344

Reference 66

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.893439Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 86368423-f4bc-4da8-92a0-51dacf33b7d1 · outbound

This paper cites 2007, , 133, 553, 10.1086/510294.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2007, , 133, 553, 10.1086/510294

Reference 67

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.896811Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a00f1018-710a-430e-85ae-4d1ea6006788 · outbound

This paper cites an unresolved cited work.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Unresolved cited work

Reference 68

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.900342Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e985f176-632e-476e-beef-ac4689bec13d · outbound

This paper cites 2001, , 563, 34, 10.1086/323830.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2001, , 563, 34, 10.1086/323830

Reference 69

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.903731Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 09f3580f-a5a3-413b-b8bd-a12f41e92f83 · outbound

This paper cites 2003 a , in American Institute of Physics Conference Series, Vol.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2003 a , in American Institute of Physics Conference Series, Vol

Reference 70

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.907163Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 761a1223-1c85-4e23-b2fa-1d819b6e6e8e · outbound

This paper cites 2003 b , in American Institute of Physics Conference Series, Vol.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2003 b , in American Institute of Physics Conference Series, Vol

Reference 71

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.910476Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 7821c20d-b3c0-4112-bb97-6ef4090c11f3 · outbound

This paper cites J., & Lai , D.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set J., & Lai , D

Reference 72

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.913845Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 7b40835d-8fc9-4b42-ab2c-e257a537028d · outbound

This paper cites J., Bolatto , A., Chatterjee , S., et al.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set J., Bolatto , A., Chatterjee , S., et al

Reference 73

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.917738Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation ff60e874-648f-40db-ba0c-fde486887c4c · outbound

This paper cites 2015, , 807, L14, 10.1088/2041-8205/807/1/L14.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2015, , 807, L14, 10.1088/2041-8205/807/1/L14

Reference 74

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.424494Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation c1c29aef-c041-403a-9580-9ebbe6d93957 · outbound

This paper cites P., & Hausman , M.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set P., & Hausman , M

Reference 75

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.412921Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation f57cbd64-145b-4c9f-a60b-1e5497c0a20e · outbound

This paper cites an unresolved cited work.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Unresolved cited work

Reference 76

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.928451Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 46c12416-8fed-4370-9287-06f01cb14ac4 · outbound

This paper cites an unresolved cited work.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Unresolved cited work

Reference 77

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.931882Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 2d81e72e-6819-4ccc-8db9-0db5702cb54a · outbound

This paper cites an unresolved cited work.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Unresolved cited work

Reference 78

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.935160Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 41e6049f-7e95-40e7-accd-f308cdc22340 · outbound

This paper cites 2024, , 974, 5, 10.3847/1538-4357/ad7090.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2024, , 974, 5, 10.3847/1538-4357/ad7090

Reference 79

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.377180Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation 9f398f4d-ea48-4873-8f85-31700dee49cd · outbound

This paper cites J., & Brunthaler , A.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set J., & Brunthaler , A

Reference 80

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.941973Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 340f3f1a-09d5-4fec-af26-f44ab45db897 · outbound

This paper cites J., Readhead , A.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set J., Readhead , A

Reference 81

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.945465Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 42407df5-1469-482f-859c-8eba08eac185 · outbound

This paper cites M., Combi , L., Li , X., Ripperda , B., & Yang , H.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set M., Combi , L., Li , X., Ripperda , B., & Yang , H

Reference 82

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.349662Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation bce40a4e-06f2-426f-9074-5bf8a904d7d3 · outbound

This paper cites Supermassive Black Holes and the Evolution of Galaxies.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Supermassive Black Holes and the Evolution of Galaxies

Reference 83

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.952289Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b0cdd607-57ea-4e7e-a98c-fbc84a84a23d · outbound

This paper cites J., & Dodson , R.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set J., & Dodson , R

Reference 84

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.956076Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 9c98b30d-c009-4eb4-82d1-3bdbefdcf20c · outbound

This paper cites 2023, Galaxies, 11, 33, 10.3390/galaxies11010033.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2023, Galaxies, 11, 33, 10.3390/galaxies11010033

Reference 85

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.221034Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation d5e2724f-5ba1-4a6c-9d61-d7f5406f6a69 · outbound

This paper cites 2019, , 488, L90, 10.1093/mnrasl/slz108.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2019, , 488, L90, 10.1093/mnrasl/slz108

Reference 86

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.208567Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation 8b94cf2c-3238-4d06-9efc-a97e031d5190 · outbound

This paper cites 2024, , 109, 024023, 10.1103/PhysRevD.109.024023.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2024, , 109, 024023, 10.1103/PhysRevD.109.024023

Reference 87

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.196580Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation 64ab79ff-a4d1-4141-bac2-e602e09c956e · outbound

This paper cites 2016, , 459, 1737, 10.1093/mnras/stw768.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2016, , 459, 1737, 10.1093/mnras/stw768

Reference 88

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.969492Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 065d4249-1410-4934-ac60-6c3e10d24cbb · outbound

This paper cites 2004, , 611, 623, 10.1086/422185.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2004, , 611, 623, 10.1086/422185

Reference 89

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.973000Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c6940231-3769-4ba8-8ba3-d1eddbab6ee2 · outbound

This paper cites an unresolved cited work.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Unresolved cited work

Reference 90

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.976427Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 78ad2f15-bac4-4b66-9458-a2c02bbad408 · outbound

This paper cites J., Sundelius , B., & Byrd , G.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set J., Sundelius , B., & Byrd , G

Reference 91

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.979719Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 88b06214-892f-4db3-98b7-1f265d568770 · outbound

This paper cites W., & Urban , O.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set W., & Urban , O

Reference 92

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.983874Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation ab68a13b-460d-4298-b5f7-3a6dae170bc8 · outbound

This paper cites J., Wex , N., Kramer , M., & Stappers , B.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set J., Wex , N., Kramer , M., & Stappers , B

Reference 93

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.144641Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation 86b38eb0-0ace-4e89-934d-41aa650563cd · outbound

This paper cites P., Nulsen , P.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set P., Nulsen , P

Reference 94

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.990654Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e78fd0f9-aa60-4c07-bd9b-2eed9b43dfc3 · outbound

This paper cites 2003, Science, 300, 1263, 10.1126/science.1082817.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2003, Science, 300, 1263, 10.1126/science.1082817

Reference 95

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.993936Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a3f7fa7f-6112-46e2-86f0-8a43361ac7b1 · outbound

This paper cites 2017, , 469, 4258, 10.1093/mnras/stx1130.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set 2017, , 469, 4258, 10.1093/mnras/stx1130

Reference 96

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:34.997673Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e4a92f83-0456-4ce3-88a0-7cfa829e3a2f · outbound

This paper cites R., Moran , J.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set R., Moran , J

Reference 97

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:35.001527Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 6822b741-0b71-4bb8-be85-693c587768a7 · outbound

This paper cites R., Simon , J., et al.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set R., Simon , J., et al

Reference 98

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:35.004962Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 23380ab4-2976-4d34-97ce-69b7ca3ceb97 · outbound

This paper cites M., & Lazio , T.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set M., & Lazio , T

Reference 99

Resolution: verified exact; doi, observed 2026-08-07T01:07:35.101127Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

Observation 36f02e4e-eba9-41dd-8cfd-9e043c04c261 · outbound

This paper cites an unresolved cited work.

Constraining the Mass of a Hypothetical Secondary Black Hole in M87 with the NANOGrav 15-Year Data Set Unresolved cited work

Reference 100

Resolution: unresolved; no resolver link, observed 2026-08-07T01:07:35.012246Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Coverage vector

Reference resolution

Outbound references

Pith citing papers