HD 111232
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Musca |
| Right ascension | 12h 48m 51.75s |
| Declination | −68º 25' 30.54″ |
| Apparent magnitude (V) | 7.61 |
| Absolute magnitude (V) | 5.30 |
| Distance | 95 ly (29 pc) |
| Spectral type | G8V |
| Other designations | |
HD 111232 is a yellow main-sequence star in the constellation Musca. It has magnitude 7.61 and has distance of 95 light years. It has mass 78% that of the Sun. Since 2004 it has an orbiting planet.
[edit] HD 111232 b
| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Orbital elements | ||
| Semimajor axis | (a) | 1.97 AU |
| Eccentricity | (e) | 0.2±0.01 |
| Orbital period | (P) | 1143±14 d |
| Angular distance | (θ) | 67.9 mas |
| Longitude of periastron |
(ω) | 98±6° |
| Time of periastron | (T0) | 2451230±20 JD |
| Semi-amplitude | (K) | 159.3±2.3 m/s |
| Physical characteristics | ||
| Mass | (m) | >6.84 MJ |
| Discovery information | ||
| Discovery date | 2004 | |
| Discoverer(s) | Mayor et al. | |
| Detection method | Doppler Spectroscopy | |
| Discovery site | USA | |
| Discovery status | Published | |
HD 111232 b is an extrasolar planet that orbits almost 2 AU with a mass of 6.8 times that of Jupiter. This planet was discovered in the United States by Michel Mayor in 2004.
[edit] References
- Mayor et al. (2004). "[http://www.aanda.org/index.php?option=article&access=standard&Itemid=129&url=/articles/aa/abs/2004/07/aa0250/aa0250.html The CORALIE survey for southern extra-solar planets
XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE]". Astronomy & Astrophysics 415: 391.
[edit] External links
- Notes for star HD 111232. The Extrasolar Planets Encyclopaedia.
- Notes for planet HD 111232 b. The Extrasolar Planets Encyclopaedia.
- HD 111232 -- Star. SIMBAD.
- HD 111232b – Extra-solar Planet Candidate. SIMBAD.
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