OGLE-2016-BLG-1190Lb
| Discovery | |
|---|---|
| Discovered by | Ryu, Y.-H. et al |
| Discovery site | Spitzer Space Telescope |
| Discovery date | 2017 |
| Gravitational microlensing | |
| Orbital characteristics | |
| 2.17 AU (325,000,000 km) | |
| Eccentricity | 0.42 |
| 1223.6 d | |
| Inclination | 41.2 |
| Star | OGLE-2016-BLG-1190L |
| Physical characteristics | |
| Mass | 13.38 MJ |
OGLE-2016-BLG-1190Lb is an extremely massive exoplanet, with a mass about 13.4 times that of Jupiter (MJ), or is, possibly, a low mass brown dwarf, orbiting the G-dwarf star OGLE-2016-BLG-1190L, located about 22,000 light years from Earth, in the constellation of Sagittarius, in the galactic bulge of the Milky Way.
“Since the existence of the brown dwarf desert is the signature of different formation mechanisms for stars and planets, the extremely close proximity of OGLE-2016-BLG-1190Lb to this desert raises the question of whether it is truly a ‘planet’ (by formation mechanism) and therefore reacts back upon its role tracing the galactic distribution of planets," according to astronomers reporting the findings.