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List of transiting circumsecondary disks

This is a list of binary systems that have a primary star eclipsed, as seen from Earth, by a circumstellar disk around the secondary (including possible ring systems). A circumsecondary disk is a disk of gas and/or dust around a star, white dwarf or substellar object that is a secondary in a star system. In rare cases the system can be aligned in a way that makes it possible for the circumsecondary disk to transit in front of the primary. In some cases the observed dips can be so deep that researchers describe these dimming events as occultations.

The object J1407b was considered a circumsecondary disk in the past, but later turned out to be more likely a free-floating planetary-mass object with a disk. PDS 110 is a candidate with uncertain status, as later eclipses did not occur. VVV-WIT-07, ASASSN-V J192543.72+402619.0, ASASSN-21co, FY Scuti, OGLE-BLG182.1.162852, and ZTF J185259.31+124955.2 are candidates without much modelling of the disk.

List of transiting disks

Name of the primarySpectral type primarySecondary object classificationOrbital separation (AU)Orbital period (years)Disk radius (AU)Reference
Giant stars with possible mass transfer to the secondary in the past
AS Leonis Minoris (TYC 2505-672-1)M2IIIB-type hot subdwarf16.7–31.2 or 26.769.10.85–3.15 or 3.7578
Epsilon AurigaeF0II–III?B5V-star18.1+1.2−1.327.13.8+0.1−0.49
VVV-WIT-08giant between K7 and M2object of unknown nature>11>0.2510
Eta GeminorumM3.5 Ib-IIstar (about 2 M☉)7.88.2>0.7511
Gaia17bppM0IIIstar>6.51.412
EE CepheiB5III (Be star)star5.60.1313
OGLE LMC-ECL-11893B9III: (Be star)old low-mass object1.71.30.214
MWC 882A0 (accretor, post-Algol variable)B7 (donor, post-RGB)0.530.200.28 (around primary)15
Young systems (secondary is star)
V773 Tauribinary: K3Ve (Li)binary star (two 1.5 M☉ stars)15.35±0.4526.5516
Secondary possibly substellar object or planet
ASASSN-21jsearly-type starsubstellar object (brown dwarf or smaller)~13,000~610,0001.05517
Gaia21bcvK4.5V (young star)low-mass star, brown dwarf or planet<225<33750.518
ASASSN-V J060000.76–310027.83early K-dwarfobject of unknown nature~82~0.51920
EPIC 204376071M5.3 (young star)about 3 MJ object>0.220.012 (2.60 R☉)2122
V928 TauriM0.8 (young binary)substellar object with high mass (at least >50 MJ)<3.20.18–2.80.006 (1.39 R☉)2324
EPIC 220208795early K-dwarf>1.5 MJ object1.20–1.44 (aphelion)0.65–0.800.005 (1.14 R☉)25
KIC 10403228M0.88 or 1.44 RJ object4500.0012 or 0.0017 (2.6 or 3.7 RJ)26
SunG2VSaturn (planet; included for comparison)9.5826 AU29.44750.00091 AU27282930
HIP 41378late F-type starHIP 41378 f (12 ME planet, with radius of 3.7 R🜨 if it has rings)1.371.490.0004 (9.6 R🜨)31
K2-33M dwarf (young star)K2-33b (planet)0.04090.015 (5.424 days)0.0002 (5 R🜨)32

See also

Notes

References

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  6. Bernhard, Klaus; Lloyd, Christopher (1 August 2024). "ZTF J185259.31+124955.2: A new evolved disc-eclipsing binary system". Astronomy and Astrophysics. 688: A58. arXiv:2405.15555. Bibcode:2024A&A...688A..58B. doi:10.1051/0004-6361/202450203. ISSN 0004-6361. https://ui.adsabs.harvard.edu/abs/2024A&A...688A..58B ↩

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  11. Torres, Guillermo; Sakano, Kristy (1 October 2022). "η Geminorum: an eclipsing semiregular variable star orbited by a companion surrounded by an extended disc". Monthly Notices of the Royal Astronomical Society. 516 (2): 2514–2521. arXiv:2208.07375. Bibcode:2022MNRAS.516.2514T. doi:10.1093/mnras/stac2322. ISSN 0035-8711. https://doi.org/10.1093%2Fmnras%2Fstac2322 ↩

  12. Tzanidakis, Anastasios; Davenport, James R. A.; Bellm, Eric C.; Wang, Yuankun (1 September 2023). "Gaia17bpp: A Giant Star with the Deepest and Longest Known Dimming Event". The Astrophysical Journal. 955 (1): 69. arXiv:2306.12409. Bibcode:2023ApJ...955...69T. doi:10.3847/1538-4357/aceda7. ISSN 0004-637X. https://doi.org/10.3847%2F1538-4357%2Faceda7 ↩

  13. Gałan, C.; Mikołajewski, M.; Tomov, T.; Graczyk, D.; Apostolovska, G.; Barzova, I.; Bellas-Velidis, I.; Bilkina, B.; Blake, R. M.; Bolton, C. T.; Bondar, A.; Brát, L.; Brożek, T.; Budzisz, B.; Cikała, M. (1 August 2012). "International observational campaigns of the last two eclipses in EE Cephei: 2003 and 2008/9". Astronomy and Astrophysics. 544: A53. arXiv:1205.0028. Bibcode:2012A&A...544A..53G. doi:10.1051/0004-6361/201016235. ISSN 0004-6361. https://ui.adsabs.harvard.edu/abs/2012A&A...544A..53G ↩

  14. Scott, Erin L.; Mamajek, Eric E.; Pecaut, Mark J.; Quillen, Alice C.; Moolekamp, Fred; Bell, Cameron P. M. (1 December 2014). "Modeling Transiting Circumstellar Disks: Characterizing the Newly Discovered Eclipsing Disk System OGLE LMC-ECL-11893". The Astrophysical Journal. 797 (1): 6. arXiv:1410.7678. Bibcode:2014ApJ...797....6S. doi:10.1088/0004-637X/797/1/6. ISSN 0004-637X. https://ui.adsabs.harvard.edu/abs/2014ApJ...797....6S ↩

  15. Zhou, G.; Rappaport, S.; Nelson, L.; Huang, C. X.; Senhadji, A.; Rodriguez, J. E.; Vanderburg, A.; Quinn, S.; Johnson, C. I.; Latham, D. W.; Torres, G.; Gary, B. L.; Tan, T. G.; Johnson, M. C.; Burt, J. (1 February 2018). "Occultations from an Active Accretion Disk in a 72-day Detached Post-Algol System Detected by K2". The Astrophysical Journal. 854 (2): 109. arXiv:1801.06188. Bibcode:2018ApJ...854..109Z. doi:10.3847/1538-4357/aaa9b9. ISSN 0004-637X. https://doi.org/10.3847%2F1538-4357%2Faaa9b9 ↩

  16. Kenworthy, M. A.; González Picos, D.; Elizondo, E.; Martin, R. G.; van Dam, D. M.; Rodriguez, J. E.; Kennedy, G. M.; Ginski, C.; Mugrauer, M.; Vogt, N.; Adam, C.; Oelkers, R. J. (1 October 2022). "Eclipse of the V773 Tau B circumbinary disc". Astronomy and Astrophysics. 666: A61. arXiv:2207.05575. Bibcode:2022A&A...666A..61K. doi:10.1051/0004-6361/202243441. ISSN 0004-6361. https://ui.adsabs.harvard.edu/abs/2022A&A...666A..61K ↩

  17. Pramono, T. H.; Kenworthy, M. A.; Boekel, R. van (1 August 2024). "ASASSN-21js: A multi-year transit of a ringed disc". Astronomy & Astrophysics. 688: L11. arXiv:2408.06744. doi:10.1051/0004-6361/202450288. ISSN 0004-6361. https://www.aanda.org/articles/aa/abs/2024/08/aa50288-24/aa50288-24.html ↩

  18. Hodapp, Klaus W.; Gaidos, Eric; Kenworthy, Matthew A.; Tucker, Michael; Shappee, Benjamin J.; Payne, Anna V.; Do, Aaron (1 February 2024). "An Episode of Occultation Events in Gaia21bcv". The Astronomical Journal. 167 (2): 85. arXiv:2312.16367. Bibcode:2024AJ....167...85H. doi:10.3847/1538-3881/ad1931. ISSN 0004-6256. https://doi.org/10.3847%2F1538-3881%2Fad1931 ↩

  19. Way, Z.; Stanek, K. Z.; Kochanek, C. S.; Jayasinghe, T.; Vallely, P.; Basinger, C.; et al. (11 December 2019). "ASAS-SN Discovery of an Unusual, Rapidly Fading Star". The Astronomer's Telegram (13346). Bibcode:2019ATel13346....1W. https://www.astronomerstelegram.org/?read=13346 ↩

  20. Waagen, Elizabeth O.; Kenworthy, Matthew A. (8 January 2020). "Photometry for ASASSN-V J060000.76-310027.83 - Alert Notice 691". American Association of Variable Star Observers. Retrieved 9 August 2024. https://www.aavso.org/asassnv-j06000076-31002783-campaign-2020 ↩

  21. Rappaport, S.; Zhou, G.; Vanderburg, A.; Mann, A.; Kristiansen, M. H.; Oláh, K.; Jacobs, T. L.; Newton, E.; Omohundro, M. R.; LaCourse, D.; Schwengeler, H. M.; Terentev, I. A.; Latham, D. W.; Bieryla, A.; Soares-Furtado, M. (1 May 2019). "Deep long asymmetric occultation in EPIC 204376071". Monthly Notices of the Royal Astronomical Society. 485 (2): 2681–2693. arXiv:1902.08152. Bibcode:2019MNRAS.485.2681R. doi:10.1093/mnras/stz537. ISSN 0035-8711. https://doi.org/10.1093%2Fmnras%2Fstz537 ↩

  22. van der Kamp, L.; van Dam, D. M.; Kenworthy, M. A.; Mamajek, E. E.; Pojmański, G. (1 February 2022). "K2 discovery of a circumsecondary disk transiting EPIC 220208795". Astronomy and Astrophysics. 658: A38. arXiv:2110.15086. Bibcode:2022A&A...658A..38V. doi:10.1051/0004-6361/202142063. ISSN 0004-6361. https://ui.adsabs.harvard.edu/abs/2022A&A...658A..38V ↩

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  27. Outer edge of Saturn's A ring. ↩

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