HD 49674 b

HD 49674 b
Extrasolar planet List of extrasolar planets
Parent star
Star HD 49674
Constellation Auriga
Right ascension (α) 06h 51m 30.5164s
Declination (δ) +40° 52′ 03.923″
Distance133.8 ly
(40.73 pc)
Spectral type G5V
Orbital elements
Semimajor axis(a) 0.0580±0.0034 AU
Periastron (q) 0.0530 AU
Apastron (Q) 0.0630 AU
Eccentricity (e) 0.087±0.095
Orbital period(P) 4.94737±0.00098 d
Orbital speed (υ) 128 km/s
Argument of
periastron		 (ω) 264°
Time of periastron (T0) 2,451,882.38±0.88 JD
Semi-amplitude (K) 13.7±0.21 m/s
Physical characteristics
Minimum mass(m sin i)0.105±0.011 MJ
(33.4±0.5 M⊕)
Discovery information
Discovery date June 13, 2002
Discoverer(s) Butler, Marcy,
Vogt et al.
Department of Astronomy,
601 Campbell Hall,
University of California, Berkeley,
California United States
Discovery method Radial velocity
Discovery site exoplanets.org
Discovery status Published
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 49674 b is an extrasolar planet[1] located approximately 134 light-years away in the constellation of Auriga, orbiting the star HD 49674. This planet was discovered orbiting the star in 2002. The planet is a gas giant and orbits extremely close to its star, which takes only 4.95 days to revolve.[2]

References

  1. ↑ Butler, R. Paul et al. (2003). "Seven New Keck Planets Orbiting G and K Dwarfs". The Astrophysical Journal 582 (1): 455–466. Bibcode:2003ApJ...582..455B. doi:10.1086/344570.
  2. ↑ 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.

External links

Coordinates: 06h 51m 30.5164s, +40° 52′ 03.923″