Astronomy:HD 41004 Ab

Short description: Exoplanet in the constellation Pictor

HD 41004 Ab

Discovery
Discovered by	Zucker et al.
Discovery date	2003-2004
Detection method	radial velocity
Designations
Alternative names	HIP 28393 b SAO 217660 b
Orbital characteristics
Periastron	0.44 AU (66 Gm) (2.13 μpc)
Apoastron	2.96 AU (443 Gm) (14.35 μpc)
Semi-major axis	1.70 AU (254 Gm) (8.24 μpc)
Eccentricity	0.39±0.17
Orbital period	963±38 d (2.64 y) (83.2 Ms)
Angular distance	40 mas
Longitude of |{{{apsis}}}|helion}}	97±31°
|{{{apsis}}}|helion}}	2452425±37 JD
Semi-amplitude	99±60 m/s
Star	HD 41004
Physical characteristics
Mass	>2.56 MJ (814 ME))

HD 41004 Ab is an extrasolar planet approximately 139 light years away in the constellation of Pictor. It has mass 2.56 M_J planet orbiting at a distance of 1.70 AU from HD 41004 A. The planet's orbit is highly eccentric caused by the companion star HD 41004 B and the distance ranges from 0.44 to 2.96 astronomical units.

External links

• "HD 41004 Ab". Extrasolar Planets Encyclopaedia. https://exoplanet.eu/catalog/hd_41004_a_b--120/. Retrieved 2008-07-21.