Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-10T14:32:51.794471Z
Paper Citation Record · LEDGER
As of 13 August 2026, this Paper Citation Record lists 51 of 51 outbound references and 0 inbound Pith citation observations for arXiv:2501.15254.
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 2026-08-10T14:32:51.794471Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-13T06:32:02.005865+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
51 of 51 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 5d347867-adeb-440c-8ae2-00dd91270803 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2020, ApJL, 890, L29
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 75458f71-d405-41df-8ed5-410038168dc5 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2015, SCPMA, 58, 5607
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 8e1504e7-0b9f-416d-8fe4-4f4ffdf2d84b · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2021, A&A, 647, A6
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation edda2173-01d1-4260-92cf-1d652a61133e · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2001, Mach
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 13dc9795-0e09-407d-b7b0-1d7e623d19aa · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2023, MNRAS, 526, 2331
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 76cd586a-d43a-4e8f-a8ad-ac179fe324a3 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2012, RAA, 12, 1197
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 8f7ad0f3-6212-4099-86bf-c8d6b1297ab5 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning N., Evans, J
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 022bcff5-c8ea-444e-aabb-5e71edb82653 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2024, ApJS, 271, 54
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation bf130869-8a04-49e4-9862-2ecbf6d5b27d · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2021, ApJS, 254, 6
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation c04ccf4c-df7b-4bff-960c-137290219882 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning R., & Brandt, W
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation e5700a6e-6f3c-4a4d-8fc0-6b6c15abea5c · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2012, A&A, 544, A80
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation ceef92e4-431f-458e-9e5b-a27037b79c3b · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2015, ApJL, 803, L28
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 8ee2af32-bc5b-40ee-b7dd-9975ccc54ffd · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning Unresolved cited work
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 12c5c788-529f-4214-b43f-bfa8d36e5b83 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2020, ApJ, 895, 114
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 67defca9-470e-4ba3-be96-25359422baff · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2021, MNRAS, 507, 687
Reference 15
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fe943097-6cd3-48a8-80a7-9874f21e8b8c · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning M., & Davis, S
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 94825129-3250-461b-bc15-4a3e4c1448c8 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2023, MNRAS, 518, 6065
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 9353ed76-ff7a-4e01-b736-9557c44771a3 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2017, A&A, 607, L9
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 85cff9e1-bf0d-4c61-b33a-138f5c1eb0af · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning Unresolved cited work
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation fb224295-a61b-4176-97d7-9f211279ab24 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2020, MNRAS, 492, 2335
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 20c86eb2-b397-423f-94df-9a75a7efa84b · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning L., Zhao, Y.-H., Zhao, G., et al
Reference 21
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fc269885-f48f-4b64-83d1-c3945a23b2e6 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2019, PatRe, 91, 216
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 7f2abcb6-ff4e-4f7e-b794-2693afc9f623 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning M., Koerding, E., Knigge, C., Uttley, P., & Fender, R
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 7193c8d4-6a2d-47a8-943c-ab0d935ca4b8 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning Y., Sunyaev, R., & Khorunzhev, G
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 6e63349f-ff12-422c-814e-59408ea0b43c · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2021, A&A, 652, A150
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 6503bb9b-a174-4ad2-89e9-2fa9c516c611 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2017, A&A, 599, A82
Reference 26
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5bb8de38-d48a-484f-8c99-37d00fcb87ce · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2020, ApJL, 889, L37
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 8f7ad29a-1b9d-4687-8c0d-c34c222e27c7 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning L., Alston, W
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 95d7f195-d989-4a58-a4e3-2e905f354c38 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2011, JMLR, 12, 2825
Reference 29
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b8000885-0163-4a12-8538-560fa6a1d8ac · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2019, ApJ, 884, 80
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 92c2a1da-27e1-43c0-9965-7ed3d30a5f8a · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2020, ApJL, 898, L1
Reference 31
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 594c1074-92e5-4fdc-aa37-cfad27752c9c · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning Long-term AGN variability and the case of GSN 069
Reference 32
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 77e0b818-56dc-40a9-a484-1e06bfb3384b · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning L., et al
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation f8c7649a-ecf8-4e47-8145-fc7c331cb6e5 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 1980, A&A, 86, 121
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation f010afaf-595c-4452-ab5c-06faf706d3e6 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning Unresolved cited work
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 83d09874-cb01-4989-8a0b-9fc51355138d · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning D., III, Brandt, W
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 06968e8a-1478-4850-af5e-8d9342e96bb0 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning J., et al
Reference 37
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f6ff8e9e-8e95-4ee3-abf5-792e0e072d9a · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2002, MNRAS, 332, 231
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 643ffd00-4b43-49d2-807a-4f534a684e02 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2000, yCat, 9029, 0
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation a9e2b3d3-c017-422c-88a0-9201be9a243e · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning N., Luo, B., et al
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 28cfab81-eee6-48c8-8046-74dc835c161f · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2022, A&A, 657, A77
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation e8582828-6766-4b6b-934b-2d886c32cb45 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning A., Coriat, M., Traulsen, I., et al
Reference 42
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dcec1cb4-c185-42c5-81ec-616393b2171d · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2012, AJ, 144, 49
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 316dd3d4-82c3-4cff-89e9-ce975ab5b639 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning D., & Li, X
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation f1e2b420-132a-41e0-9f98-4fdf35afc65e · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2022, ApJ, 941, 104
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation c3e59be3-cebe-481a-b3a7-b5e9a9d467eb · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning Wind from the Hot Accretion Flow and Super-Eddington Accretion Flow
Reference 46
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation bf3da656-3f98-4a86-ad98-15cc93c6961f · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning J., MacLeod, C
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 8eb229fc-1b39-4aa5-87df-35abc0ecba30 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning G., Adelman, J., Anderson, J
Reference 48
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a48132d3-5fa4-4212-a6ab-95d19d063eac · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2014, ARA&A, 52, 529
Reference 49
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c8a399c0-fe4d-4908-8dbd-e1dcf0b2f1d4 · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2021, MNRAS, 503, 5263
Reference 50
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation cf00169a-a52b-4b7e-a7e0-1cf606fff3bb · outbound
Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning 2025, ApJ, 983, 36Z 12 The Astrophysical Journal, 985:23 (12pp), 2025 May 20 Wang et al
Reference 51
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
No inbound Pith citation observations are available.