HD 50554 b

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
Distance101.21 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
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

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. 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.
  2. 1 2 "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 27, 2012.
  3. 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. JSTOR 10.1086/341677.
  4. ↑ 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.
  • "HD 50554 b". The Extrasolar Planets Encyclopaedia.

Coordinates: 06h 54m 42.8253s, +24° 14′ 44.011″


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