MOA-2007-BLG-197Lb is a brown dwarf discovered in August 2015 by the MOA collaboration.[1] It is the first brown dwarf found by the microlensing method to orbit a solar-type star.

MOA-2007-BLG-197Lb
Discovery
Discovered byRanc et al.
Discovery date17 August 2015
Gravitational microlensing
Orbital characteristics
StarMOA-2007-BLG-197L
Physical characteristics
Mass41+2
−2
MJ

References

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  1. ^ Ranc, C.; et al. (2015-08-01). "MOA-2007-BLG-197: Exploring the brown dwarf desert" (PDF). Astronomy and Astrophysics. 580: A125. arXiv:1505.06037. Bibcode:2015A&A...580A.125R. doi:10.1051/0004-6361/201525791. ISSN 0004-6361. S2CID 40070636.