HD 27631 b
HD 27631 b is an extrasolar planet that has more mass than Jupiter. It orbits 3.25 AU from the star, taking six years to revolve around the parent star HD 27631. Its orbit is eccentric, around 12%. In 2023, the inclination and true mass of HD 27631 b were determined via astrometry.
| Discovery | |
|---|---|
| Discovered by | Marmier et al. |
| Discovery site | HARPS |
| Discovery date | Sept. 13, 2011 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| 3.22+0.065 −0.064 AU | |
| Eccentricity | 0.163±0.057 |
| 2173+47 −44 d 5.95+0.13 −0.12 yr | |
| Inclination | 74°+11° −15° or 106°+15° −11° |
| 91°+63° −66° | |
| 2456110+158 −147 | |
| 128°+28° −27° | |
| Star | HD 27631 |
| Physical characteristics | |
| Mass | 1.56+0.2 −0.15 MJ |
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