HD 20367
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| Observation data Epoch 2000 |
|
|---|---|
| Constellation | Aries |
| Right ascension | 3h 17m 40.05s |
| Declination | +31° 7' 37.37" |
| Apparent magnitude (V) | 6.410 |
| Distance | 88.44 ly (27.13 pc) |
| Spectral type | G0 |
| Other designations | |
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BD+30°520, HIP 15323
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HD 20367 is a 6th magnitude star in the constellation of Aries, very close to the border with Perseus. It is a yellow dwarf similar to our Sun (spectral type G0 V).
An extrasolar planet orbiting the star was discovered in 2002.
[edit] HD 20367 b
| Orbital elements | ||
|---|---|---|
| Semi-major axis | (a) | 1.25 AU |
| Eccentricity | (e) | 0.23 ± 0.01 |
| Orbital period | (P) | 1 y 135 ± 6 d |
| Inclination | (i) | ?° |
| Longitude of periastron |
(ω) | 83 ± 26° |
| Time of periastron | (τ) | 2,451,786 ± 32 JD |
| Physical characteristics | ||
| Mass | >1.07 MJ | |
| Radius | ? RJ | |
| Density | ? kg/m³ | |
| Temperature | ? K | |
| Discovery | ||
| Discovery date | 2002 | |
| Detection method(s) | ||
| Discoverer(s) | Mayor, Naef, Pepe et al. |
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The planet, designated as HD 20367 b has a mass similar to Jupiter. It orbits the star at a mean distance quarter further than Earth orbits the Sun. The orbit is somewhat eccentric.
[edit] External links
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