Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-05-25T19:00:10.517630Z
Paper Citation Record · LEDGER
As of 5 August 2026, this Paper Citation Record lists 16 of 16 outbound references and 0 inbound Pith citation observations for arXiv:1906.09030.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-05-25T19:00:10.517630Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-05T06:32:48.257954+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
16 of 16 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation b7d72edb-2c85-4cd4-9bd7-e5536d508cd8 · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum Unresolved cited work
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation e0794682-6bb0-42f8-a887-591ca72ad235 · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum Unresolved cited work
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation 8d99ce41-c05e-43e1-8216-51a94dfc32e9 · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum S., Miroshnichenko, A
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation 62705e3d-f026-4fbc-a8cd-0cb26214d592 · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum Kenneth Hinkle, Lloyd Wallace, Jeff Valenti, and Dianne Harmer
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation a5d39ec4-c6be-44a9-ada9-11153c34e783 · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum (Ed.), SDSU Press (1991), p.23
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation 6574931e-2bae-4e60-9fb3-25cb3459c06d · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum Unresolved cited work
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation 3db45f08-fdc9-45d9-9ff9-cf4f82105400 · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum B.\ 1962, ApJS, 7, 65
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation 9e1f3533-90f5-4e7b-8b66-20773f4a0eea · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum Unresolved cited work
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation 357403ca-47e6-4afe-8a21-c34647932c59 · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum Unresolved cited work
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation c2d4b140-dc1d-4740-8356-5e2543ff2e25 · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum M., & Rivinius, T.\ 2003, PASP, 115
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation 78230033-7d66-4dea-adbe-41924767362c · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum A., Eenens, P
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation cba2ad15-9b11-4e04-b60e-bff702290313 · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum A., De Becker, M., et al.\ 2005, A&A, 432, 985
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation 8dc60b85-5519-4927-8a44-07bf8b89051a · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum C.\ 1978, ApJS, 38, 205
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation c3aa60bb-6343-43c1-838d-477188c91784 · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum A., Lopes de Oliveira, R., & Motch, C.\ 2016, Advances in Space Research, 58, 782
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation 46c78e87-f813-4c4c-ab8a-48ec03e5114b · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum A., Wolter, U., Marchev, D., & Petrov, N
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
Observation a7e6d4e2-37e9-451d-9eaa-55452af0ac11 · outbound
Evolution of the disk of pi Aqr: from near-disappearance to a strong maximum V., Miroshnichenko, A
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.
No inbound Pith citation observations are available.