HD 27894 b is a gas giant with a mass at least two thirds that of Jupiter, or twice that of Saturn. The distance from the planet to the star is one third compared that of Mercury from the Sun, and it takes almost exactly 18 days to complete one roughly circular orbit.[1]
| Discovery | |
|---|---|
| Discovered by | Moutou, Mayor, Bouchy et al. |
| Discovery date | 15 Feb 2005 |
| Radial velocity | |
| Orbital characteristics | |
| 0.1221 ± 0.0071 AU (18,270,000 ± 1,060,000 km) | |
| Eccentricity | 0.049±0.08 |
| 17.991±0.007 d | |
| 2,453,275.46±0.48 | |
| 132.9±9.7 | |
| Semi-amplitude | 58.1±0.5 |
| Star | HD 27894 |
| Physical characteristics | |
| Mass | >0.618±0.088 MJ (>196 ME) |
References
edit- ^ Moutou, C.; et al. (2015). "The HARPS search for southern extra-solar planets IV. Three close-in planets around HD 2638, HD 27894 and HD 63454". Astronomy and Astrophysics. 439 (1): 367–373. arXiv:1411.7048. Bibcode:2005A&A...439..367M. doi:10.1051/0004-6361:20052826.
External links
edit- "HD 27894". Exoplanets. Archived from the original on 2009-11-25. Retrieved 2008-10-29.
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