| Discovery | |
|---|---|
| Discovered by | Udalskiet al. |
| Discovery date | 27 May 2005 |
| Gravitational microlensing | |
| Orbital characteristics | |
| Star | OGLE-2005-BLG-071L |
| Physical characteristics | |
| Mass | 3.8+0.3 −0.4 or 3.4 ± 0.3MJ |
OGLE-2005-BLG-071Lb is aplanet discovered by theOptical Gravitational Lensing Experiment (OGLE) and others in 2005, usinggravitational microlensing.[1] According to the best fit model, it has about 3.5 times the mass ofJupiter and aprojected separation of 3.6astronomical units from the star. This would result in an effective temperature around 50K, similar to that ofNeptune. However, an alternative model which gives a slightly lower mass of 3.3 times that of Jupiter and a projected separation of 2.1 AU is only slightly less likely. It may be the most massive planet currently known around a red dwarf star (though only lower limits are known for those planets detected by theradial velocity method).[2]
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