HD 50554 b
From Infogalactic: the planetary knowledge core
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 50554 | |
| Constellation | Gemini | |
| Right ascension | (α) | 06h 54m 42.8253s |
| Declination | (δ) | +24° 14′ 44.011″ |
| Apparent magnitude | (mV) | 6.860 |
| Distance | 101.21 ly (31.03 pc) |
|
| Spectral type | F8V | |
| Orbital elements | ||
| Semi-major axis | (a) | 2.28 ± 0.13[1] AU |
| Eccentricity | (e) | 0.444 ± 0.038[1] |
| Orbital period | (P) | 1224 ± 12[1] d |
| Argument of periastron |
(ω) | 7.4 ± 4.3[1]° |
| Time of periastron | (T0) | 2450646 ± 16[1] JD |
| Semi-amplitude | (K) | 91.5 ± 7.6[1] m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 4.46 ± 0.48[1] MJ |
| Discovery information | ||
| Discovery date | April 4, 2001[2] | |
| Discoverer(s) | Geneva Extrasolar Planet Search | |
| Discovery method | doppler spectroscopy | |
| Discovery status | Published[3][4] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 50554 b is a Jupiter-sized extrasolar planet with minimum mass 4.4 times that of Jupiter. The planet was announced in 2001 by the European Southern Observatory and confirmed in 2002 using observations from the Lick and Keck telescopes.[2][3]
See also
References
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- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- Lua error in package.lua at line 80: module 'strict' not found.
Coordinates: 
06h 54m 42.8253s, +24° 14′ 44.011″
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