Astronomy:HD 4308 b
From HandWiki
Short description: Exoplanet orbiting HD 4308 in the constellation of Tucana
 Artist's conception | |
| Discovery | |
|---|---|
| Discovered by | Udry et al. |
| Discovery site | California , United States |
| Discovery date | 22 August 2005 |
| Doppler Spectroscopy | |
| Orbital characteristics | |
| astron|astron|helion}} | 0.115 AU (17,200,000 km) |
| astron|astron|helion}} | 0.115 AU (17,200,000 km) |
| 0.115 ± 0.096 AU (17,200,000 ± 14,400,000 km) | |
| Eccentricity | 0.00 ± 0.01 |
| Orbital period | 15.56 ± 0.02 d 0.04260 y |
| astron|astron|helion}} | 2,453,314.70 ±2.0 |
| 359±47 | |
| Semi-amplitude | 4.07 ± 0.2 |
| Star | HD 4308 |
| Physical characteristics | |
| Mass | >0.0442 |♃|J}}}}}} (>14 M⊕) |
HD 4308 b is a low-mass exoplanet orbiting around HD 4308. It is believed to have almost no orbital eccentricity.[1]
See also
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. doi:10.1051/0004-6361:20054084. Bibcode: 2006A&A...447..361U. http://www.aanda.org/articles/aa/full/2006/07/aa4084-05/aa4084-05.html.
External links
Coordinates: 
00h 44m 39.2677s, −65° 38′ 58.280″
de:HD 4308 b
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