Extrasolar planet | List of extrasolar planets | |
---|---|---|
Parent star | ||
Star | HD 4313 | |
Constellation | Pisces | |
Right ascension | (α) | 00h 45m 40s |
Declination | (δ) | +07° 50′ 42″ |
Apparent magnitude | (mV) | 7.83 |
Distance | 447 ± 46 ly (137 ± 14 pc) |
|
Spectral type | G5 D | |
Mass | (m) | 1.72 ± 0.12 M☉ |
Radius | (r) | 4.9 ± 0.1 R☉ |
Temperature | (T) | 5035 ± 44 K |
Metallicity | [Fe/H] | 0.14 ± 0.03 |
Age | 2 ± 0.5 Gyr | |
Orbital elements | ||
Semimajor axis | (a) | 1.19 ± 0.03 AU |
Eccentricity | (e) | 0.041 ± 0.037 |
Orbital period | (P) | 356 ± 2.6 d |
Physical characteristics | ||
Minimum mass | (m sin i) | 2.3 ± 0.2 MJ |
Discovery information | ||
Discovery date | 2010-03-17 | |
Discoverer(s) | Howard et al. | |
Detection method | Doppler spectroscopy | |
Discovery status | ||
Database references | ||
Extrasolar Planets Encyclopaedia |
data | |
SIMBAD | data |
HD 4313 b is an extrasolar planet orbiting the G-type star HD 4313 approximately 447 lightyears away in the constellation Pisces.[1]