| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| File:Planet BD+14 4559 b.png | ||
| Parent star | ||
| Star | BD+14°4559 | |
| Constellation | Pegasus | |
| Right ascension | (α) | 21h 13m 35.99s[1] |
| Declination | (δ) | +14° 41′ 21.8″[1] |
| Distance | 158 ± 9[1] ly (48 ± 3[1] pc) | |
| Spectral type | K2V | |
| Orbital elements | ||
| Semimajor axis | (a) | 0.777 AU |
| Periastron | (q) | 0.552 AU |
| Apastron | (Q) | 1.002 AU |
| Eccentricity | (e) | 0.29 ± 0.03 |
| Orbital period | (P) | 268.94 ± 0.99 d (0.7363 ± 0.0027 y) |
| Argument of periastron |
(ω) | 87.64 ± 7.87° |
| Time of periastron | (T0) | 53293.71 ± 6.35 JD |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 1.47 MJ |
| Discovery information | ||
| Discovery date | June 10, 2009 | |
| Discoverer(s) | Niedzielski et al. | |
| Discovery method | radial velocity | |
| Discovery site | La Silla Observatory | |
| Discovery status | Published | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
BD+14°4559 b is an extrasolar planet located approximately 158 light years away in the constellation of Pegasus, orbiting the 10th magnitude K-type main sequence star BD+14°4559. It has a mass 147% that of Jupiter and takes 0.74 Earth years to orbit the star.[2] This planet was discovered on June 10, 2009 using the Hobby-Eberly Telescope.
See also[]
- BD+20°2457 b
- BD+20°2457 c
- HD 240210 b
References[]
- ↑ 1.0 1.1 1.2 1.3 (2007). Validation of the new Hipparcos reduction. Astronomy and Astrophysics 474 (2): 653–664. Vizier catalog entry
- ↑ (2009). Substellar-mass Companions to the K-dwarf BD+14 4559 and the K-giants HD 240210 and BD+20 2457. The Astrophysical Journal 707 (1): 768–777.
| File:Iota-draconis-b.jpg | This extrasolar-planet-related article is a stub. You can help Wikipedia by expanding it. |
