HD 50554 b
| 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
- 1 2 3 4 5 6 7 Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493
. Bibcode:2006ApJ...646..505B. doi:10.1086/504701. - 1 2 "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 27, 2012.
- 1 2 Fischer, Debra A.; et al. (2002). "Planetary Companions to HD 136118, HD 50554, and HD 106252". Publications of the Astronomical Society of the Pacific. 114 (795): 529–535. Bibcode:2002PASP..114..529F. doi:10.1086/341677.
- ↑ Perrier, C.; et al. (2003). "The ELODIE survey for northern extra-solar planets. I. Six new extra-solar planet candidates". Astronomy and Astrophysics. 410 (3): 1039–1049. arXiv:astro-ph/0308281. Bibcode:2003A&A...410.1039P. doi:10.1051/0004-6361:20031340.
External links
- "HD 50554 b". The Extrasolar Planets Encyclopaedia.
Coordinates: 
06h 54m 42.8253s, +24° 14′ 44.011″
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