Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-11T14:11:31.307522Z
Paper Citation Record · LEDGER
As of 12 August 2026, this Paper Citation Record lists 59 of 59 outbound references and 0 inbound Pith citation observations for arXiv:2412.12420.
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 2026-08-11T14:11:31.307522Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-12T06:34:41.77262+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
59 of 59 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation faadf85b-b39d-4537-8bab-a7bd157fdf22 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 1
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 38c6e98d-cd67-4597-ae9e-a37ec83fc376 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 2
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9d979825-879e-4eb2-ab52-08f9a8041a54 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs J., 1999, @doi [ ] 10.1086/312114 , https://ui.adsabs.harvard.edu/abs/1999ApJ...519L.123A 519, L123
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 52f75964-7d87-4f37-9577-b386e8a7417b · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs C., et al., 2019, @doi [ ] 10.1088/1538-3873/aaecbe , https://ui.adsabs.harvard.edu/abs/2019PASP..131a8002B 131, 018002
Reference 4
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b3529bbb-4572-4efd-99d2-d85faf6b8d45 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 5
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 83908e9a-4f5e-4a1c-b465-beec7cdce3e5 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs D., Rudy R
Reference 6
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d656b8b3-fe88-4ad7-aa0d-4afb5039c621 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs D., et al., 2014, @doi [ ] 10.1088/0004-637X/796/2/134 , https://ui.adsabs.harvard.edu/abs/2014ApJ...796..134D 796, 134
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 570a856e-edb9-4572-869b-609c0df0a726 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs C., 2019, @doi [ ] 10.1093/mnrasl/sly213 , https://ui.adsabs.harvard.edu/abs/2019MNRAS.483L..17D 483, L17
Reference 8
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 78991670-4c66-42c6-a925-a956a9620ce3 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Newly Discovered Changing-look Active Galactic Nuclei from SDSS and LAMOST Surveys
Reference 9
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 855cb67c-0af8-4fca-8313-e1410391eaa9 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs J., et al., 2009, @doi [ ] 10.1088/0004-637X/696/1/870 , https://ui.adsabs.harvard.edu/abs/2009ApJ...696..870D 696, 870
Reference 10
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9506fabf-3fbd-4d19-a73c-8bce85803e74 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs P., 2001, @doi [ ] 10.1086/321331 , https://ui.adsabs.harvard.edu/abs/2001ApJ...554..240E 554, 240
Reference 11
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5ed541e1-9466-46b9-9eb6-dd623ec138fd · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b7f1b575-a7cd-47e3-9327-550b2ac490c8 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 13
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 62b58e87-5985-44ab-be9c-6f315a920166 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 14
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a919bf90-f5bf-4b72-aecb-73ccc56dd618 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs J., et al., 2020, @doi [ ] 10.1093/mnras/stz3244 , https://ui.adsabs.harvard.edu/abs/2020MNRAS.491.4925G 491, 4925
Reference 15
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0a8c9e15-e4c5-4072-9b15-77e206fc0782 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs J., et al., 2022, @doi [ ] 10.3847/1538-4357/ac743f , https://ui.adsabs.harvard.edu/abs/2022ApJ...933..180G 933, 180
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e52b8ec8-311a-48d3-b4d3-56e9732a7ee1 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.
Observation 79ace9c9-36f5-4fdf-af0c-6c46ec2536b6 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Changing-look Active Galactic Nuclei from the Dark Energy Spectroscopic Instrument. II. Statistical Properties from the First Data Release
Reference 18
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 13b73e62-34c4-42bc-b801-1699e589f7bd · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 19
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7457f68e-9bfd-4cd0-b582-23217e90266e · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 20
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 70f38ce6-c04a-4d80-9dbb-0232a5cfc669 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.
Observation 5ba0b048-33b1-4225-a985-71edbcc15a70 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs M., et al., 2015, @doi [ ] 10.1088/0004-637X/800/2/144 , https://ui.adsabs.harvard.edu/abs/2015ApJ...800..144L 800, 144
Reference 22
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation aa42b2e2-b9e5-4ce1-9aa6-ee081da7c3ed · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.
Observation 44536245-fd74-4157-9a57-d8845e81c107 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 145bea92-1121-4a93-9092-08528d582fd7 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 26
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9118d189-1780-4a0f-9cf2-88e324638a07 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs L., et al., 2016b, @doi [ ] 10.1093/mnras/stv2997 , https://ui.adsabs.harvard.edu/abs/2016MNRAS.457..389M 457, 389
Reference 28
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dc145db0-1992-4371-8a98-d6233fff74c8 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.
Observation 2da71578-9535-480b-a661-8611e9764a57 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 30
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dd6d172e-3269-46f7-9b46-6086e09f8cd9 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 31
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a23a5e42-8307-40cc-a389-61ead6f478e9 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 32
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation bfabf7b1-dd71-4f18-aafc-52eeeef57a42 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Changing-look Active Galactic Nuclei
Reference 33
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0609a42a-bcb9-4b95-b4e8-b13b362333f4 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs T., et al., 2006, @doi [ ] 10.1086/506525 , https://ui.adsabs.harvard.edu/abs/2006ApJS..166..470R 166, 470
Reference 34
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f69da124-579d-4c2b-9907-a382e3760dd0 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs P., et al., 2018, @doi [ ] 10.1093/mnras/sty2002 , https://ui.adsabs.harvard.edu/abs/2018MNRAS.480.4468R 480, 4468
Reference 35
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8ceb52d5-c5f7-4291-b301-71cc3d27cfcb · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs P., Graham M
Reference 36
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b97ca982-36e6-404c-9540-e2e80b47480e · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs J., et al., 2016, @doi [ ] 10.3847/0004-637X/826/2/188 , https://ui.adsabs.harvard.edu/abs/2016ApJ...826..188R 826, 188
Reference 37
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d3c826e5-7f21-49c2-85a7-c6582fd14715 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs J., Anderson S
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation db2a3bc6-c2ce-4e0e-9510-8f973ce2cddd · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs C., et al., 2016, @doi [ ] 10.1093/mnras/stv2385 , https://ui.adsabs.harvard.edu/abs/2016MNRAS.455.1691R 455, 1691
Reference 39
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c514c677-0b1b-4a3c-91e2-d1d5f8b54cc7 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs I., Sunyaev R
Reference 40
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0676dc67-e16a-43f9-a524-dc3d0541c577 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs J., et al., 2014, @doi [ ] 10.1088/0004-637X/788/1/48 , https://ui.adsabs.harvard.edu/abs/2014ApJ...788...48S 788, 48
Reference 41
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e5fde331-0c76-4144-8f13-039a68a5b7c3 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 42
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b31e4bb6-b24a-4435-bf7f-d004f89a8ed6 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 43
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b49e7fd0-05c2-4484-800c-a398de9a675e · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 44
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation aaa0aa74-9296-489f-acdf-9a43ece1ef1f · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 45
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0566b4bc-f7f1-48ba-be90-93918c72bf0d · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs A., Wilson A
Reference 46
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e71b7651-070a-4cd3-8870-0acf95a750e9 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 47
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7843aed1-9f5f-4c61-9875-e9e66413f706 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs E., Osterbrock D
Reference 48
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 72c4e443-3811-4a43-a81c-4d72b88c2a8f · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs L., et al., 2018, @doi [ ] 10.1088/1538-3873/aabadf , https://ui.adsabs.harvard.edu/abs/2018PASP..130f4505T 130, 064505
Reference 49
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 834401f7-0145-4d04-84a1-2d36651c989a · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 50
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 074a89c4-8ec1-4e9c-9549-b6cd402bdbbc · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs M., Padovani P., 1995, @doi [ ] 10.1086/133630 , https://ui.adsabs.harvard.edu/abs/1995PASP..107..803U 107, 803
Reference 51
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4cf4cfca-5e17-45a6-953f-7c87e074c277 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs M., 2006, @doi [ ] 10.1086/500572 , https://ui.adsabs.harvard.edu/abs/2006ApJ...641..689V 641, 689
Reference 52
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 04ffb604-f43c-4f62-9723-41a6e4e8fcc7 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 53
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 742b3216-4fbc-4d65-bba9-e887d90e5c26 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs K., Brink T
Reference 54
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e3b650d6-78f4-463d-9268-661418fefdae · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 55
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e3533900-29ed-4d09-a361-c7bdb09ea2ae · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 56
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 46d89742-e0c3-4aef-b546-4d0c69b6f003 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs L., et al., 2010, @doi [ ] 10.1088/0004-6256/140/6/1868 , https://ui.adsabs.harvard.edu/abs/2010AJ....140.1868W 140, 1868
Reference 57
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 15acc6e0-8dad-4b13-9921-0dd7046fc9fd · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 58
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 726679ef-26a7-46e9-bfc1-83133b547972 · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 59
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7eaa8172-0539-41b7-bda1-6ceb6968b11e · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 60
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e7f0c5bc-3eb4-4871-b0bd-c15e73f0ed0c · outbound
Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs Unresolved cited work
Reference 61
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
No inbound Pith citation observations are available.