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This is the list of 37[note 1] extrasolar planets detected by microlensing, sorted by projected separations. To find planets using that method, the background star is temporarily magnified by a foreground star because of the gravity that bends light. If the foreground star has a planet, the light from background star would be slightly brighter than the star with no planet. Studying the brightness difference of background star between the foreground star with planets and foreground star with no planets, then mass can be estimated. The projected separation can be determined from how much the light bended.

The most massive planet detected by microlensing is MOA-bin-1b, which masses 3.7 MJ; the least massive is MOA-2007-BLG-192Lb, which masses 0.01 MJ or 3.3 MEarth. The widest separation between a planet and a star is MOA-bin-1b, which is 8.3 AU; the shortest separation is MOA-2007-BLG-192Lb, which is 0.66 AU.

There are 4 members of multi-planet systems.


List


Yellow rows denote the members of multi-planet systems.

Planet Mass (MJ) Projected separation (AU) Period (d) Eccentricity Inclination (°) Year of discovery
MOA-2007-BLG-192Lb[1]0.010.662008
MOA-2007-BLG-400Lb[2]0.90.852008
MOA-2011-BLG-293Lb2.41.02012
MOA-2008-BLG-310Lb[3]0.231.252009
MOA-2009-BLG-387Lb[4]2.61.819702011
MOA-2009-BLG-319b[5]0.1572.02010
OGLE-2005-BLG-390Lb[6]0.0172.135002005
OGLE-2006-BLG-109Lb[7]0.7272.31790642008
OGLE-2005-BLG-169Lb[8]0.042.833002005
MOA-2009-BLG-266Lb[9]0.03273.227802010
OGLE-2007-BLG-368Lb[10]0.06943.32008
OGLE-2005-BLG-071Lb[11]3.53.6~ 36002005
OGLE-2006-BLG-109Lc[7]0.2714.549310.15642008
OGLE-2003-BLG-235Lb/MOA-2003-BLG-53Lb[12]2.65.12004
MOA-bin-1 b3.78.32012
OGLE-2012-BLG-0026Lb[13]0.113.82~30002012
OGLE-2012-BLG-0026Lc[13]0.684.63~40002012
MOA-2010-BLG-477L b[14]1.52±12012
OGLE-2011-BLG-0251b0.53±0.212.72±0.75 or 1.5±0.52012/2013
OGLE-2012-BLG-0406Lb2.73±0.433.45±0.262013
OGLE-2012-BLG-0358Lb1.9±0.20.872013
MOA-2008-BLG-379b5±2.54±1.62013
MOA-2010-BLG-328Lb0.03 ± 0.00750.92 [15]2013
MOA-2008-BLG-379b5±2.54±1.62013
MOA-2011-BLG-262L or MOA-2011-BLG-262L b[16]~3.2 or 0.055 [note 2]Free-floating or ~12013
MOA-2011-BLG-274 b[17]0.8402014
OGLE-2014-BLG-0124Lb[18]0.51±0.163.1±0.5~24002014
OGLE-2013-BLG-0102Lb[19]13.60.82014
OGLE-2008-BLG-092Lb[20]0.1372014
OGLE-2013-BLG-0341Lb[21]0.005222917912090.7022014
OGL-2008-BLG-355Lb[22]4.62014
MOA-2013-BLG-220Lb[23]0.1887801654972780.72014
OGLE-2011-BLG-0265Lb[24]1.0 ± 0.322014
MOA-bin-29 b0.6[25] 0.48[25] 2019[25]
KMT-2019-BLG-2073Free-floating N/A N/A N/A 2020
OGLE-2019-BLG-0551 0.0242 Free-floating N/A N/A N/A 2020
KMT-2019-BLG-0371b 7.7 0.79 2021

See also



Notes


  1. as of 2021.
  2. The nature of the observed system is unclear. It is either a rogue planet with about 3.2 MJ masses and a 0.5 MEarth exomoon or a red dwarf with 18 MEarth planet.

References


  1. Bennett, D. P.; et al. (2008). "A Low-Mass Planet with a Possible Sub-Stellar-Mass Host in Microlensing Event MOA-2007-BLG-192". The Astrophysical Journal. 684 (1): 663–683. arXiv:0806.0025. Bibcode:2008ApJ...684..663B. doi:10.1086/589940. S2CID 14467194.
  2. Dong, Subo; et al. (2009). "Microlensing Event MOA-2007-BLG-400: Exhuming the Buried Signature of a Cool, Jovian-Mass Planet". The Astrophysical Journal. 698 (2): 1826–1837. arXiv:0809.2997. Bibcode:2009ApJ...698.1826D. doi:10.1088/0004-637X/698/2/1826. S2CID 16658501.
  3. Janczak, Julia; et al. (2010). "Sub-Saturn Planet MOA-2008-BLG-310Lb: Likely To Be In The Galactic Bulge". The Astrophysical Journal. 711 (2): 731–743. arXiv:0908.0529. Bibcode:2010ApJ...711..731J. doi:10.1088/0004-637X/711/2/731. S2CID 119217995.
  4. Batista, Virginie; et al. (2011). "MOA-2009-BLG-387Lb: A massive planet orbiting an M dwarf". Astronomy and Astrophysics. 529: A102. arXiv:1102.0558. Bibcode:2011A&A...529A.102B. doi:10.1051/0004-6361/201016111. S2CID 20954769. Data catalog: Bibcode:2011yCat..35299102B
  5. Miyake, N.; et al. (2011). "A Sub-Saturn Mass Planet, MOA-2009-BLG-319Lb" (PDF). The Astrophysical Journal. 728 (2). article number 120. arXiv:1010.1809. Bibcode:2011ApJ...728..120M. doi:10.1088/0004-637X/728/2/120. S2CID 51694268.
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  8. Gould, A.; et al. (2006). "Microlens OGLE-2005-BLG-169 Implies That Cool Neptune-like Planets Are Common". The Astrophysical Journal Letters. 644 (1): L37–L40. arXiv:astro-ph/0603276. Bibcode:2006ApJ...644L..37G. doi:10.1086/505421. S2CID 14270439.
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  11. Dong, Subo; et al. (2009). "OGLE-2005-BLG-071Lb, the Most Massive M Dwarf Planetary Companion?". The Astrophysical Journal. 695 (2): 970–987. arXiv:0804.1354. Bibcode:2009ApJ...695..970D. doi:10.1088/0004-637X/695/2/970. S2CID 14408891.
  12. Bennett, David P.; et al. (2006). "Identification of the OGLE-2003-BLG-235/MOA-2003-BLG-53 Planetary Host Star". The Astrophysical Journal Letters. 647 (2): L171–L174. arXiv:astro-ph/0606038. Bibcode:2006ApJ...647L.171B. doi:10.1086/507585. S2CID 11294425.
  13. Han, C.; et al. (2013). "THE SECOND MULTIPLE-PLANET SYSTEM DISCOVERED BY MICROLENSING: OGLE-2012-BLG-0026Lb, c—A PAIR OF JOVIAN PLANETS BEYOND THE SNOW LINE". The Astrophysical Journal. 762 (2): L28. arXiv:1210.4265. Bibcode:2013ApJ...762L..28H. doi:10.1088/2041-8205/762/2/L28. S2CID 118797226.
  14. MOA 2010-BLG-477Lb: constraining the mass of a microlensing planet from microlensing parallax, orbital motion and detection of blended light
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  17. Freeman, M.; Philpott, L. C.; Abe, F.; Albrow, M. D.; Bennett, D. P.; Bond, I. A.; Botzler, C. S.; Bray, J. C.; Cherrie, J. M.; Christie, G. W.; Dionnet, Z.; Gould, A.; Han, C.; Heyrovsky, D.; McCormick, J. M.; Moorhouse, D. M.; Muraki, Y.; Natusch, T.; Rattenbury, N. J.; Skowron, J.; Sumi, T.; Suzuki, D.; Tan, T. -G.; Tristram, P. J.; Yock, P. C. M. (2014). "Can the masses of isolated planetary-mass gravitational lenses be measured by terrestrial parallax?". The Astrophysical Journal. 799 (2): 181. arXiv:1412.1546. Bibcode:2015ApJ...799..181F. doi:10.1088/0004-637X/799/2/181. S2CID 118415208.
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  21. Gould, A.; et al. (3 July 2014). "A terrestrial planet in a 1-AU orbit around one member of a 15-AU binary". Science. 345 (6192): 46–49. arXiv:1407.1115. Bibcode:2014Sci...345...46G. doi:10.1126/science.1251527. PMID 24994642. S2CID 206555598.
  22. Koshimoto, N.; et al. (20 June 2014). "OGLE-2008-BLG-355Lb: A MASSIVE PLANET AROUND A LATE-TYPE STAR". The Astrophysical Journal. 788 (2): 128. arXiv:1403.7005. Bibcode:2014ApJ...788..128K. doi:10.1088/0004-637X/788/2/128. S2CID 119194503.
  23. Yee, J. C.; Han, C.; Gould, A.; Skowron, J.; Bond, I. A.; Udalski, A.; Hundertmark, M.; Monard, L. A. G.; Porritt, I.; Nelson, P.; Bozza, V.; Albrow, M. D.; Choi, J. -Y.; Christie, G. W.; DePoy, D. L.; Gaudi, B. S.; Hwang, K. -H.; Jung, Y. K.; Lee, C. -U.; McCormick, J.; Natusch, T.; Ngan, H.; Park, H.; Pogge, R. W.; Shin, I. -G.; Tan, T. -G.; Abe, F.; Bennett, D. P.; Botzler, C. S.; et al. (2014). "MOA-2013-BLG-220Lb: Massive Planetary Companion to Galactic-Disk Host". The Astrophysical Journal. 790 (1): 14. arXiv:1403.2134. Bibcode:2014ApJ...790...14Y. doi:10.1088/0004-637X/790/1/14. S2CID 118711190.
  24. Skowron, J.; Shin, I. -G.; Udalski, A.; Han, C.; Sumi, T.; Shvartzvald, Y.; Gould, A.; Dominis-Prester, D.; Street, R. A.; Jørgensen, U. G.; Bennett, D. P.; Bozza, V.; Szymański, M. K.; Kubiak, M.; Pietrzyński, G.; Soszyński, I.; Poleski, R.; Kozłowski, S.; Pietrukowicz, P.; Ulaczyk, K.; Wyrzykowski, Ł.; Abe, F.; Bhattacharya, A.; Bond, I. A.; Botzler, C. S.; Freeman, M.; Fukui, A.; Fukunaga, D.; Itow, Y.; et al. (2014). "OGLE-2011-BLG-0265Lb: A Jovian Microlensing Planet Orbiting an M Dwarf". The Astrophysical Journal. 804 (1): 33. arXiv:1410.8252. Bibcode:2015ApJ...804...33S. doi:10.1088/0004-637X/804/1/33. S2CID 45737293.
  25. "Eyes on Exoplanets-MOA-bin-29 b".



На других языках

- [en] List of exoplanets detected by microlensing

[ru] Список экзопланет, открытых методом гравитационного микролинзирования

Этот список представляет собой таблицу экзопланет открытых методом гравитационного микролинзирования. На 4 сентября 2012 г. этим методом открыто 16 экзопланет в 15 планетарных системах. В 1 из них более чем одна планета[1]. Среди открытых планет четыре — массивные планеты-гиганты, два аналога Сатурна, три нептуна и две океаниды (с массами 3—5 земных)


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