HD 4313 b
HD 4313 b is an extrasolar planet orbiting the K-type star HD 4313 approximately 447 light years away in the constellation Pisces.[1] This planet was discovered using the Doppler spectroscopy (radial velocity) method.
Jupiter compared to HD 4313 b | |
Discovery[1] | |
---|---|
Discovered by | Johnson et al. |
Discovery site | Keck Observatory |
Discovery date | 2010-03-17 |
Doppler spectroscopy | |
Orbital characteristics[2] | |
1.157±0.097 AU | |
Eccentricity | 0.147±0.047 |
356.21±0.88 d | |
2454816±12 JD | |
102±13 º | |
Semi-amplitude | 40.3±1.7 m/s |
Star | HD 4313 |
Physical characteristics[2] | |
Mean radius | ~1.2 RJ |
Mass | ≥1.927±0.090 MJ |
Discovery
HD 4313 was discovered by a group of scientist at the Keck Observatory on March 17th, 2010 using the Doppler spectroscopy method, which is detecting a planet by the star's change in wobbling.
Properties
References
- 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.
- Luhn, Jacob K.; et al. (2019). "Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts". The Astronomical Journal. 157 (4). 149. arXiv:1811.03043. Bibcode:2019AJ....157..149L. doi:10.3847/1538-3881/aaf5d0.
- "Exoplanet Archive". exoplanetarchive.ipac.caltech.edu. Retrieved 2020-12-11.
- "Exoplanet-catalog". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 2020-12-11.
External links
- "HD 4313 b". The Extrasolar Planets Encyclopaedia.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.