HD 187085
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| Observation data Equinox J2000.0 |
|
|---|---|
| Constellation | Sagittarius |
| Right ascension | 19h 49m 33s |
| Declination | -37° 46' 50" |
| Apparent magnitude (V) | +7.22 |
| Distance | 147 ly (45 pc) |
| Spectral type | G0V |
| Other designations | |
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HIP 97546
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HD 187085 is a yellow main sequence star about 147 light-years away in the constellation Sagittarius. It is estimated to be younger than our Sun, at about 3.3 (± 1) billion years old, and more massive at 1.22 solar masses.
In 2006, an extrasolar planet was announced orbiting HD 187085.
Contents |
[edit] HD 187085 b
| Discovery | |
|---|---|
| Discovered by: | Jones et al. |
| Discovery date: | 2006 |
| Detection method(s): | Radial velocity |
| Orbital characteristics | |
| Semi-major axis: | 2.05 AU |
| Eccentricity: | 0.47 |
| Orbital period: | 986 d |
| Longitude of the periastron: | 94° |
| Time of periastron: | 2,450,912 JD |
| Physical characteristics | |
| Mass: | >0.75 MJ |
HD 187085 b is an extrasolar planet discovered in 2006 by a team lead by Geoffrey Marcy. HD 187085 b orbits its star in a highly eccentric orbit. The discovery was made as part of the Anglo-Australian Planet Search.
[edit] See also
[edit] References
- Jones et al. (2006). "High-eccentricity planets from the Anglo-Australian Planet Search". Monthly Notices of the Royal Astronomical Society 369: 249-256.
[edit] External links
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