Paper Citation Record · LEDGER

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy

As of 19 August 2026, this Paper Citation Record lists 32 of 32 outbound references and 0 inbound Pith citation observations for arXiv:2607.06156.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2607.06156 v1

Coverage vector

measured 32 of 32 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-07-08T15:09:26.759831Z

measured 32 of 32 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-19T06:32:44.657259+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: cited_works

Reference resolution

32 of 32 outbound references displayed

verified exact1
verified fuzzy29
unresolved2
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 9c8624e9-9677-4b02-834e-e5c00e61ac84 · outbound

This paper cites 2026, arXiv e-prints, arXiv:2601.08047 2.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2026, arXiv e-prints, arXiv:2601.08047 2

Reference 1

Resolution: verified exact; arxiv_id, observed 2026-07-08T15:15:03.410698Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 252582b4-1146-40a2-9036-cd85a38218a8 · outbound

This paper cites 1989, Geochimica et Cosmochimica acta, 53, 197 7.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 1989, Geochimica et Cosmochimica acta, 53, 197 7

Reference 2

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.691889Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation b7d89dee-f530-46c4-a63c-e1214a036bff · outbound

This paper cites 1996, in Astronomical data analysis software and systems v, V ol.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 1996, in Astronomical data analysis software and systems v, V ol

Reference 3

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.688309Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 2409a805-d8a3-4308-ab10-f33cff0dd423 · outbound

This paper cites 1979, ApJ, 228, 939 6 22 J.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 1979, ApJ, 228, 939 6 22 J

Reference 4

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.690104Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation f295aa8c-a870-46ab-87a8-8552c5a4f2f4 · outbound

This paper cites 2025, ApJ, 994, L38 2.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2025, ApJ, 994, L38 2

Reference 5

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.684295Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 91f077e4-6f21-44fd-b652-810737c403d5 · outbound

This paper cites A., Webb, N.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy A., Webb, N

Reference 6

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.682603Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation f0b753d0-b788-4d6e-9a47-1a747427c3bd · outbound

This paper cites 2011, New Astron.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2011, New Astron

Reference 7

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.689919Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 5105e6de-2980-401a-987a-8b03e7ab3f8b · outbound

This paper cites C., Allen, G.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy C., Allen, G

Reference 8

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.686308Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation cf90b69b-045a-4351-a955-430fd1e4413d · outbound

This paper cites 2004, in Astronomical Data Analysis Software and Systems (ADASS) XIII, V ol.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2004, in Astronomical Data Analysis Software and Systems (ADASS) XIII, V ol

Reference 9

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.657831Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 1829cda3-0e28-44d7-a1af-69c9e1e26ea0 · outbound

This paper cites e., et al.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy e., et al

Reference 10

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.633059Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation b8d8cb41-65c5-4696-926c-a34937bf8b90 · outbound

This paper cites C., Roberts, T.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy C., Roberts, T

Reference 11

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.687172Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 53de4a01-3611-4c66-8229-bdb0af1652e8 · outbound

This paper cites 2023, ApJ, 946, 72 2, 18.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2023, ApJ, 946, 72 2, 18

Reference 12

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.677925Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation baa973bf-9f36-4423-9a42-15de51a85567 · outbound

This paper cites 2001, Astronomy & Astrophysics, 365, L1 3.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2001, Astronomy & Astrophysics, 365, L1 3

Reference 13

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.662756Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 4f66ba8f-82df-4d87-b828-6be3857412d7 · outbound

This paper cites an unresolved cited work.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy Unresolved cited work

Reference 14

Resolution: unresolved; raw_fallback, observed 2026-07-08T15:15:03.673397Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation a287ba6b-1206-4c0a-ad59-16fbd705d77e · outbound

This paper cites 2002, Monthly Notices of the Royal Astronomical Society, 337, L11 20.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2002, Monthly Notices of the Royal Astronomical Society, 337, L11 20

Reference 15

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.664269Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 27514d7e-5eb9-4695-ab9d-4c0ecf8ed062 · outbound

This paper cites 2001, The Astrophysical Journal Letters, 560, L147 20.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2001, The Astrophysical Journal Letters, 560, L147 20

Reference 16

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.675747Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 913e3d1a-191b-407d-9610-b857a3eb1d5f · outbound

This paper cites 2014, ApJ, 781, 105 13.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2014, ApJ, 781, 105 13

Reference 17

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.666161Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 39805e24-cbbf-4612-a555-941acf717a84 · outbound

This paper cites P., & Done, C.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy P., & Done, C

Reference 18

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.638017Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 1c5eda01-fa32-439b-b823-c55d5ed24fb6 · outbound

This paper cites 2007, in IAU Symposium, V ol.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2007, in IAU Symposium, V ol

Reference 19

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.643827Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 97eb3e8f-27ae-4f29-b90e-a8ae9ebb6601 · outbound

This paper cites 1983, Astrophysical Journal, Part 1 (ISSN 0004-637X), vol.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 1983, Astrophysical Journal, Part 1 (ISSN 0004-637X), vol

Reference 20

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.671401Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 02b9ca47-fc3f-4113-8953-7ae52153b0e6 · outbound

This paper cites M., Mushotzky, R.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy M., Mushotzky, R

Reference 21

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.682977Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 5d08a47c-ad88-4c14-bb94-fc154605968c · outbound

This paper cites A., Sazonov, S.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy A., Sazonov, S

Reference 22

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.634919Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 594795f8-59ae-47c4-9640-33903379dd2c · outbound

This paper cites N., et al.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy N., et al

Reference 23

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.648878Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation a3492b38-4524-40f0-8713-18695d8603ca · outbound

This paper cites J., et al.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy J., et al

Reference 24

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.625508Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation a1862413-da4e-4674-9590-3d4c370dd855 · outbound

This paper cites 2022, MNRAS, 512, 1814 1.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2022, MNRAS, 512, 1814 1

Reference 25

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.677640Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 15186bb4-f105-4c9d-bba7-1f8f6ffaf888 · outbound

This paper cites E., Narayan, R., et al.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy E., Narayan, R., et al

Reference 26

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.623376Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 91c9e804-4448-4c63-b352-dcf98816dc82 · outbound

This paper cites an unresolved cited work.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy Unresolved cited work

Reference 27

Resolution: unresolved; raw_fallback, observed 2026-07-08T15:15:03.664603Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation b5059a8a-05c1-43d7-a8d7-684e9664e318 · outbound

This paper cites B., Courtois, H.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy B., Courtois, H

Reference 28

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.666474Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 385f61d1-d49a-495f-b2d9-37b2aa9bd851 · outbound

This paper cites J., George, I.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy J., George, I

Reference 29

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.657632Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 7851e180-e6af-4e37-8269-6551e5c0557e · outbound

This paper cites J., Harrison, F.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy J., Harrison, F

Reference 30

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.660369Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation aa739cb2-38a5-4636-bff6-a10172cc46d6 · outbound

This paper cites 2012, Science, 337, 554 1.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2012, Science, 337, 554 1

Reference 31

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.667811Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation e41d2ac7-7b38-4cfc-a8c9-4595d4fb651e · outbound

This paper cites 2002, Publications of the Astronomical Society of the Pacific, 114, 1 3.

The X-ray Variability of the Ultraluminous X-ray Sources in the NGC 4631 galaxy 2002, Publications of the Astronomical Society of the Pacific, 114, 1 3

Reference 32

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T15:15:03.673948Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Pith citing papers

No inbound Pith citation observations are available.