Paper Citation Record · LEDGER

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra

As of 19 August 2026, this Paper Citation Record lists 34 of 34 outbound references and 1 inbound Pith citation observation for arXiv:1909.02084.

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

pith.paper-citation-record.v1
1909.02084 v1

Coverage vector

measured 34 of 34 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-14T05:05:45.652434Z

measured 35 of 35 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-18T06:34:40.430872+00:00

measured 1 of 1 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-16T00:01:53.626940Z

measured 0 of 1 external citation measurements

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

Source: pith, observed 2026-08-16T00:01:54.431138Z

Reference resolution

34 of 34 outbound references displayed

verified exact0
verified fuzzy29
unresolved5
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 719f8aad-8a2f-4c05-9897-e9f3accb2af1 · outbound

This paper cites Jacoby G.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra Jacoby G

Reference 1

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.368944Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation b049315a-6c50-4023-ac81-11a29e3c3e54 · outbound

This paper cites C., & Cioﬃ, D.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra C., & Cioﬃ, D

Reference 2

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.344676Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 24ee068e-7e40-4d8e-8dd2-a82edc23a795 · outbound

This paper cites 2011, A&A, 530, A42 Del Moro, A., Alexander, D.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2011, A&A, 530, A42 Del Moro, A., Alexander, D

Reference 3

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.311788Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 8c75ee25-4890-4ff9-a95c-ebd60475a1c5 · outbound

This paper cites 2007, A&A Rev., 15, 1.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2007, A&A Rev., 15, 1

Reference 4

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.282449Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation ac4b1aba-f5fd-4e44-ab4f-bc7482722ba4 · outbound

This paper cites 2018, ApJ, 869, L36.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2018, ApJ, 869, L36

Reference 5

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.262270Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation bb5b26ef-fe11-446d-a9bf-cb07aa28d80e · outbound

This paper cites 2019, ApJ, 870, 69.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2019, ApJ, 870, 69

Reference 6

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.239598Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 909c2989-83ae-4122-a3f5-8d752207eebd · outbound

This paper cites 2006, Proc.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2006, Proc

Reference 7

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.218233Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 20ba1d9c-9354-490a-89f2-3ed4ecf54823 · outbound

This paper cites 2004, A&A, 421, 461.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2004, A&A, 421, 461

Reference 8

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.192515Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 8fb24fd2-1be5-4a10-bb03-2e65d1f3747b · outbound

This paper cites A., Craig, W.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra A., Craig, W

Reference 9

Resolution: unresolved; no resolver link, observed 2026-08-14T05:05:45.522599Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 1a2f4eec-ace1-4d17-a08b-35f5805999ee · outbound

This paper cites S., & Begelman, M.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra S., & Begelman, M

Reference 10

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.154106Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 2494c220-c4a6-4a21-b6d6-88481c8482c6 · outbound

This paper cites 2013, ApJS, 208, 19.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2013, ApJS, 208, 19

Reference 11

Resolution: unresolved; no resolver link, observed 2026-08-14T05:05:45.532713Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 0da881af-cb34-4d0f-bdc5-649099f5f3f6 · outbound

This paper cites 2019, ApJ, submitted.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2019, ApJ, submitted

Reference 12

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.110110Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 6e5228a7-8e80-465a-9841-79e64b5d265d · outbound

This paper cites M., Alatalo, K., & Appleton, P.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra M., Alatalo, K., & Appleton, P

Reference 13

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.090142Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation cb3faaa5-074a-41dc-8259-e813e1f3f405 · outbound

This paper cites K., Beardmore, A.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra K., Beardmore, A

Reference 14

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.070412Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation aa1db426-1645-45ea-b9bf-aa894cd291c8 · outbound

This paper cites 2016, ApJ, 830, 100.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2016, ApJ, 830, 100

Reference 15

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.051900Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 649eb670-72ed-40a3-a468-dfcc26203244 · outbound

This paper cites 2017, MNRAS, 470, 4039.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2017, MNRAS, 470, 4039

Reference 16

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:46.025969Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 8d1c1a92-a563-46b0-a2e2-6e98597fd70d · outbound

This paper cites 2014, MNRAS, 437, 3550.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2014, MNRAS, 437, 3550

Reference 17

Resolution: unresolved; no resolver link, observed 2026-08-14T05:05:45.562196Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 014b0be4-41f8-4bca-a10a-07dac22ce6e5 · outbound

This paper cites C., et al.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra C., et al

Reference 18

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.989813Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation cd2418a6-4499-4623-876e-c6c981e7eebc · outbound

This paper cites 2016, ApJ, 821, L31.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2016, ApJ, 821, L31

Reference 19

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.972524Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 406fad78-4983-4564-a093-a055c909af59 · outbound

This paper cites 2009, ApJ, 695, 793.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2009, ApJ, 695, 793

Reference 20

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.954485Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 16285202-8d30-4fb3-a979-46a07b194d9f · outbound

This paper cites 2010, ApJ, 715, 1071.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2010, ApJ, 715, 1071

Reference 21

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.933198Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 471f67bb-346f-499d-81f8-434c9769b598 · outbound

This paper cites A., & McClintock, J.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra A., & McClintock, J

Reference 22

Resolution: unresolved; no resolver link, observed 2026-08-14T05:05:45.587232Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation fa22dff4-d15d-4dcd-a5ad-ee0b5ddccaf4 · outbound

This paper cites S., Heinz, S., & Begelman, M.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra S., Heinz, S., & Begelman, M

Reference 23

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.891622Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation b3cf6987-77fe-4711-b59f-49fb0ce00edf · outbound

This paper cites C., Brotherton, M.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra C., Brotherton, M

Reference 24

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.873177Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation c104d71f-b493-43bc-b625-f4d4a474ae9d · outbound

This paper cites 2009, Astronomische Nachrichten, 330, 264.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2009, Astronomische Nachrichten, 330, 264

Reference 25

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.856368Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation ed6b2b45-f51c-4b36-8a27-075dda8ee8bf · outbound

This paper cites 2016, ApJ, 823, 57 (S16).

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2016, ApJ, 823, 57 (S16)

Reference 26

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.837930Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 5b5f29d2-5c53-4add-97ab-8e7d70e7b325 · outbound

This paper cites 2019, ApJ, 871, 71.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2019, ApJ, 871, 71

Reference 27

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.820980Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 7fd6987b-0f93-4ce2-a88d-178b1633e3f6 · outbound

This paper cites P., Baum, S.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra P., Baum, S

Reference 28

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.800922Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation e82ccc26-603f-4e36-a774-1f5595904c78 · outbound

This paper cites P., Baum, S.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra P., Baum, S

Reference 29

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.782049Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 8f942dd2-d911-49b6-b428-34f0de5270d2 · outbound

This paper cites 1997, A&A, 318, 376.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 1997, A&A, 318, 376

Reference 30

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.762252Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 44666d1f-9b6c-45bc-a0b8-ab34bf42e4f2 · outbound

This paper cites C., et al.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra C., et al

Reference 31

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.742492Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 32dc9c6a-aa98-49d5-8b43-0bd7a20ed03c · outbound

This paper cites 2009, A&A, 501, 89.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 2009, A&A, 501, 89

Reference 32

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.725857Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation bfba9548-7178-4947-b29a-726eff4a91b1 · outbound

This paper cites Y., Bicknell, G.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra Y., Bicknell, G

Reference 33

Resolution: unresolved; no resolver link, observed 2026-08-14T05:05:45.647504Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 2a99f10c-a27c-4e02-a73b-cefbf4f9c064 · outbound

This paper cites A., et al.

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra A., et al

Reference 34

Resolution: verified fuzzy; raw_fallback, observed 2026-08-14T05:05:45.695742Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Pith citing papers

Observation 1d77c4da-d88a-493b-b61a-adb3b5211600 · inbound

The long-term optical flux variations of Compact Symmetric Objects cites this paper.

The long-term optical flux variations of Compact Symmetric Objects First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra

Reference 63

Resolution: verified exact; local_arxiv, observed 2026-08-16T00:01:54.437383Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.