HD 70642 b

From Wikipedia, the free encyclopedia
Jump to: navigation, search
HD 70642 b
Extrasolar planet List of extrasolar planets
Parent star
Star HD 70642
Constellation Puppis
Right ascension (α) 08h 21m 28.1361s
Declination (δ) −39° 42′ 19.474″
Apparent magnitude (mV) 7.18
Distance 93.8 ly
(28.76 pc)
Spectral type G5V
Mass (m) 1.00 ± 0.05 M
Radius (r) 1.01 R
Temperature (T) 5533 K
Metallicity [Fe/H] 0.16 ± 0.02
Age 3.8 Gyr
Orbital elements
Semimajor axis (a) 3.232 AU
(483.5 Gm)
    112.4 mas
Periastron (q) 3.123 AU
(467.2 Gm)
Apastron (Q) 3.341 AU
(499.8 Gm)
Eccentricity (e) 0.034 ± 0.043
Orbital period (P) 2068 ± 39 d
(5.66 y)
Orbital speed (υ) 17.06 km/s
Argument of
periastron
(ω) 205°
Time of periastron (T0) 2,451,350 ± 380 JD
Semi-amplitude (K) 30.4 ± 1.3 m/s
Physical characteristics
Minimum mass (m sin i) 1.97 ± 0.06 MJ
Discovery information
Discovery date July 3, 2003
Discoverer(s) Carter et al.[1]
Discovery method Radial velocity
(Anglo-Australian Telescope)
Discovery site Anglo-Australian Observatory
Discovery status Published[1]
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBAD data

HD 70642 b is an extrasolar planet orbiting the star HD 70642 at 3.23 AU distance and takes 5.66 years to revolve. This planet may have systems of moons like Jupiter.[1] This planet was discovered on July 3, 2003.

See also[edit]

References[edit]

  1. ^ a b c Carter, Brad D. et al. (2003). "A Planet in a Circular Orbit with a 6 Year Period". The Astrophysical Journal Letters 593 (1): L43–L46. arXiv:astro-ph/0307066. Bibcode:2003ApJ...593L..43C. doi:10.1086/378185. 

External links[edit]

Coordinates: Sky map 08h 21m 28.1361s, −39° 42′ 19.474″