HD 92788
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Sextans |
| Right ascension | 10h 42m 48s |
| Declination | -02º 11' 01″ |
| Apparent magnitude (V) | 7.31 |
| Absolute magnitude (V) | 4.73 |
| Distance | 107.1 ly (32.82 pc) |
| Spectral type | G5 |
| Other designations | |
|
HIP 52409
|
|
HD 92788 is a yellow dwarf star in the constellation Sextans. It is more massive and slightly smaller than the Sun with high metallicity.
[edit] HD 92788 b
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Discovery
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|
|---|---|
| Discovered by | Fischer et al. |
| Discovery site | USA |
| Discovery date | 2000 |
| Detection method | radial velocity |
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Designations
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| Alternative names | HIP 52409 b |
| Semi-major axis | 0.97 AU |
| Eccentricity | 0.332±0.011 |
| Orbital period | 325.94±0.22 d |
| Average orbital speed | 32.5 km/s |
| Angular distance | 29.6 mas |
| Longitude of periastron | 275.7±2.8° |
| Time of periastron | 2450758.0±2.4 JD |
| Semi-amplitude | 106.2±1.8 m/s |
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Physical characteristics
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| Mass | >3.68 MJ |
HD 92788 b is a low-mass superjovian exoplanet orbiting at 0.97 astronomical units from HD 92788.
[edit] References
- Fischer et al. (2002). "Planetary Companions to HD 12661, HD 92788, and HD 38529 and Variations in Keplerian Residuals of Extrasolar Planets". The Astrophysical Journal 551 (2): 1107 – 1118. doi:.
[edit] External links
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