HD 179079 b

HD 179079 b
Extrasolar planet List of extrasolar planets
Parent star
Star HD 179079
Constellation Aquila
Right ascension (α) 19h 11m 09.8291s
Declination (δ) −02° 38 18.185
Apparent magnitude (mV) 7.96
Distance207.7 ly
(63.69 pc)
Spectral type G5IV
Orbital elements
Semimajor axis(a) 0.11 AU
Periastron (q) 0.10 AU
Apastron (Q) 0.12 AU
Eccentricity (e) 0.115 ± 0.087
Orbital period(P) 14.476 ± 0.011 d
(0.039632 ± 0.000238 y)
Argument of
periastron
(ω) 357 ± 62°
Time of periastron (T0) 2454400.5 ± 2.4 JD
Physical characteristics
Minimum mass(m sin i)0.08 MJ
Discovery information
Discovery date August 12, 2009
Discoverer(s) Valenti et al.[1]
Discovery method Radial velocity
Discovery site Keck Observatory
Discovery status Published[1]
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 179079 b is an extrasolar planet which orbits the G-type subgiant star HD 179079, located approximately 208 light years away in the constellation Aquila. This planet has mass only 1/12 that of Jupiter or 1.5 times Neptune. The planet orbits very close to the star, at a distance of 0.11 AU. This planet takes two weeks to revolve around the star.[1] This planet was discovered using the Keck telescopes on August 12, 2009.

References

  1. 1.0 1.1 1.2 Valenti, Jeff A. et al. (2009). "Two Exoplanets Discovered at Keck Observatory". The Astrophysical Journal 702 (2): 989–997. arXiv:0908.1612. Bibcode:2009ApJ...702..989V. doi:10.1088/0004-637X/702/2/989.

Coordinates: 19h 11m 09.8291s, −02° 38′ 18.185″