HD 4313 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| 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 ± 0.03[1] M☉ |
| Radius | (r) | 4.9 ± 0.1[1] R☉ |
| Temperature | (T) | 5006 ± 25[1] K |
| Metallicity | [Fe/H] | 0.14 ± 0.03 |
| Age | 2.0 ± 0.1[1] Gyr | |
| Orbital elements | ||
| Semi-major 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) | Johnson et al.[2] | |
| Discovery method | Doppler spectroscopy | |
| Discovery status | ||
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 4313 b is an extrasolar planet orbiting the G-type star HD 4313 approximately 447 light years away in the constellation Pisces.[2]
See also
References
- 1 2 3 4 Bonfanti, A.; et al. (2015). "Revising the ages of planet-hosting stars". Astronomy and Astrophysics. 575. A18. arXiv:1411.4302. Bibcode:2015A&A...575A..18B. doi:10.1051/0004-6361/201424951.
- 1 2 Johnson, John Asher; et al. (2010). "Retired a Stars and Their Companions. IV. Seven Jovian Exoplanets from Keck Observatory". Publications of the Astronomical Society of the Pacific. 122 (892): 701–711. arXiv:1003.3445. Bibcode:2010PASP..122..701J. doi:10.1086/653809.
External links
- "HD 4313 b". The Extrasolar Planets Encyclopaedia.
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