HD 2039 b
| Potential extrasolar planet | |
|---|---|
| HD 2039 b | |
| Constellation | Phoenix |
|
Position equinox : J2000.0 |
|
| Right ascension | 00h 24m 20.28s |
| declination | −56 ° 39 ′ 00.2 ″ |
| Further data | |
| distance |
(103 ± 10) pc |
| Central object | |
| Period of circulation |
(1183 ± 150) days |
| Major semi-axis |
(2.2 ± 0.2) AU |
| eccentricity |
0.67 ± 0.1 |
| Minimum mass m sin (i) |
(4.9 ± 1.0) M J |
| history | |
| discovery |
AAO planet search team |
| Date of discovery |
1999 to 2002 |
| Catalog names | |
| HD 2039 b | |
| More information | |
| probably a gas planet | |
| Aladin previewer | |
HD 2039 b is an exoplanet candidate orbiting the star HD 2039 . Due to its mass , it is assumed that it is a gas planet .
The object has a minimum mass of about 5 Jupiter's masses and a comparatively eccentric orbit - the eccentricity is about 0.67. It is about 2.2 AU away from its star, and it takes about 1200 days to complete one orbit.
discovery
The potential exoplanet was discovered by the planet search team at the Siding Spring Observatory using the radial velocity method. The discovery was published in 2003.
Individual evidence
- ↑ SIMBAD database
- ↑ a b c d e Tinney et al .: "Four New Planets Orbiting Metal-enriched Stars" (PDF; 388 kB), The Astrophysical Journal, Vol. 587 (2003)
Web links
- The exoplanet in the "Encyclopedia of Extrasolar Planets"
- The planet at Planet.ch ( Memento from October 15, 2012 in the Internet Archive )