HD 4308 b
HD 4308 b is a low-mass exoplanet orbiting around HD 4308. It is believed to have almost no orbital eccentricity.[1]
| Discovery | |
|---|---|
| Discovered by | Udry et al. |
| Discovery site | California, United States |
| Discovery date | 22 August 2005 |
| Doppler Spectroscopy | |
| Orbital characteristics | |
| Apastron | 0.115 AU (17,200,000 km) |
| Periastron | 0.115 AU (17,200,000 km) |
| 0.115 ± 0.096 AU (17,200,000 ± 14,400,000 km) | |
| Eccentricity | 0.00 ± 0.01 |
| 15.56 ± 0.02 d 0.04260 y | |
| 2,453,314.70 ±2.0 | |
| 359±47 | |
| Semi-amplitude | 4.07 ± 0.2 |
| Star | HD 4308 |
| Physical characteristics | |
| Mass | >0.0442 MJ (>14 M⊕) |
References
- Udry, S.; et al. (2006). "The HARPS search for southern extra-solar planets V. A 14 Earth-masses planet orbiting HD 4308". Astronomy and Astrophysics. 447 (1): 361–367. arXiv:astro-ph/0510354. Bibcode:2006A&A...447..361U. doi:10.1051/0004-6361:20054084.
External links
- "HD 4308". Exoplanets. Archived from the original on 2016-03-03. Retrieved 2008-10-29.
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