HD 187085
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| Observation data Epoch 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.
[edit] HD 187085 b
| Orbital elements | ||
|---|---|---|
| Semi-major axis | (a) | 2.05 AU |
| Eccentricity | (e) | 0.47 |
| Orbital period | (P) | 986 d |
| Inclination | (i) | ?° |
| Longitude of periastron |
(ω) | 94° |
| Time of periastron | (τ) | 2450912 JD |
| Physical characteristics | ||
| Mass | 0.75 MJ | |
| Radius | ? RJ | |
| Density | ? kg/m³ | |
| Temperature | ? K | |
| Discovery | ||
| Discovery date | 2006 | |
| Detection method(s) | Radial velocity | |
| Discoverer(s) | Marcy et al. | |
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] External links
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