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MOA-2008-BLG-310L
Observation data Epoch J2000.0 Equinox J2000.0
Constellation	Scorpius
Right ascension	17 54 14.53
Declination	–34° 46′ 41.0″
Apparent magnitude (V)	23.38
Characteristics
Spectral type	G?V
Astrometry

Distance	>20000 ly (>6000 pc)

Details

Mass	0.67 `M`_☉

Database references
SIMBAD	data
Exoplanet Archive	data

MOA-2008-BLG-310L is a 23rd magnitude star located at least 20000 light years away in the constellation Scorpius. This star has mass 0.67 solar masses which imply that it could probably be a late K-type star.

Planetary system

In 2009 during a microlensing event, a planet was found orbiting this star at a distance of 1.25 AU and has mass 0.23 times that of Jupiter.

The MOA-2008-BLG-310L system
Companion	Mass	Observed separation (AU)
b	0.23 ± 0.05 M_J	1.25 ± 0.1

References

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.
Ingrosso, G.; Calchi Novati, S.; De Paolis, F.; Jetzer, Ph.; Nucita, A. A.; Strafella, F.; Zakharov, A. F. (2012). "Polarization in microlensing events towards the Galactic bulge". Monthly Notices of the Royal Astronomical Society. 426 (2): 1496. arXiv:1208.0174. Bibcode:2012MNRAS.426.1496I. doi:10.1111/j.1365-2966.2012.21820.x. S2CID 118594156.

Constellation of Scorpius

Stars

Bayer	α (Antares) β (Acrab) δ (Dschubba) ε (Larawag) ζ ζ η θ (Sargas) ι ι κ (Girtab) λ (Shaula) μ (Xamidimura) μ (Pipirima) ν (Jabbah) ξ ο π (Fang) ρ (Iklil) σ (Alniyat) τ (Paikauhale) υ (Lesath) χ ψ ω ω G (Fuyue) H (β Nor) N (α Nor) Q
Flamsteed	1 (b) 2 (A) 3 4 11 12 (c) 13 (c) 16 18 22 (i) 25 27
Variable	T U RR RS RV RY RZ AH AI AK AR BM CL FQ HK KQ V393 V453 V455 V482 V500 V636 V701 V703 V718 V728 V745 V760 V856 V861 V866 V884 V893 V900 V905 V906 V907 V911 V913 V915 V918 V919 V921 V922 V923 V929 V933 V949 V951 V952 V957 V965 V970 V973 V975 V992 V1003 V1007 V1018 V1026 V1033 V1034 V1036 V1040 V1051 V1058 V1068 V1073 (k) V1074 V1075 V1077 V1094 V1104 V1186 V1187 V1280 V1292 V1294 V1309
HR	5906 5910 5934 5965 5969 5973 5996 5998 5999 6000 6001 6003 6006 6007 6012 6015 6017 6044 6051 6053 6054 6061 6070 (d) 6076 6077 6078 6080 6094 6097 6100 6106 6122 6145 6160 6178 6192 6206 6209 6210 6211 6214 6218 6221 6244 6260 6266 6272 6273 6282 6298 6311 6316 6331 6338 6344 6366 6371 6381 6382 6389 6398 6403 6405 6409 6420 6454 6456 6460 6470 6501 6503 6517 6523 6539 6557 6558 6583 6587 6597 6613 6628 6643 6648 6649 6651 6653 6657 6658 6668 6671 6675 6678 6682 6683
HD	143567 144432 145377 146436 149274 150248 150420 152424 153234 153950 (Rapeto) 155448 155985 158042 159868 162020
Other	Gliese 618 Gliese 667 Gliese 682 CD -35 11760 CD -38 10980 EPIC 204278916 EPIC 204376071 GCRT J1745−3009 GSC 06214-00210 GX 340+0 GX 349+2 H1-36 H1743-322 HIP 79431 (Sharjah) IGR J17091-3624 IGR J17252−3616 IRAS 17163−3907 K2-24 K2-33 LSS 4067 MOA-2008-BLG-310L MXB 1735-44 OAO 1657-415 OGLE-2005-BLG-071L OGLE-2005-BLG-390L OGLE-2006-BLG-109L Oph 162225-240515 Pismis 24-1 PSR B1620−26 PSR B1706−44 PSR B1737−30 PSR J1614−2230 Rapid Burster ROXs 12 1RXS J160929.1−210524 1RXS J170849.0−400910 Scorpius X-1 Th 28 Trumpler 27-1 Trumpler 27-27 Trumpler 27-28 Trumpler 27-102 Trumpler 27-105 4U 1700-37 4U 1702-42 4U 1705-44 4U 1724-307 4U 1728-34 4U 1746-371 UScoCTIO 108 VVV-WIT-07 WASP-17 (Dìwö) WR 86 WR 93b Wray 17-96 XTE J1720−318 XTE J1739−302 XTE J1751−305

Exoplanets	HD 145377 b HD 153950 b HD 159868 b HIP 78530 b HIP 79431 b K2-24b c K2-33b OGLE-2005-BLG-071Lb OGLE-2005-BLG-390Lb OGLE-2007-BLG-368Lb PSR B1620−26 b (Methuselah) WASP-17b V921 Scorpii b

Star
clusters

NGC	6124 6139 6144 6231 6242 6256 6281 6380 6388 6400 6441 6453 6480 6496
Other	Messier 4 Messier 7 Messier 80 Trumpler 27

Nebulae

NGC	6072 6153 6302 6334 6337 6357

Galaxies

NGC	6000
Other	PKS 1622-297 TXS 1545-234

Planetary system

See also

References