HD 2039 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 2039 | |
| Constellation | Phoenix | |
| Right ascension | (α) | 00h 24m 20.278s[1] |
| Declination | (δ) | −56° 39′ 00.17″[1] |
| Distance | 330 ± 30[1] ly (103 ± 10[1] pc) | |
| Spectral type | G2/G3 IV-V | |
| Orbital elements | ||
| Semi-major axis | (a) | 2.19 ± 0.2 AU |
| Eccentricity | (e) | 0.68 ± 0.15 |
| Orbital period | (P) | 1192.582 ± 150 d |
| Argument of periastron |
(ω) | 223° |
| Time of periastron | (T0) | 2449645.48 ± 150 JD |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 4.85 ± 1.7 MJ |
| Discovery information | ||
| Discovery date | 2002 | |
| Discoverer(s) | Tinney, Butler, Marcy | |
| Discovery method | Doppler Spectroscopy | |
| Discovery status | Published | |
HD 2039 b is an extrasolar planet orbiting the star HD 2039. It is almost five times as massive as Jupiter and has a very eccentric orbit.[2][3]
References
- 1 2 3 4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- ↑ Tinney, C. G.; et al. (2003). "Four New Planets Orbiting Metal-enriched Stars". The Astrophysical Journal 587 (1): 423–428. arXiv:astro-ph/0207128. Bibcode:2003ApJ...587..423T. doi:10.1086/368068.
- ↑ Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646 (1): 505–522. arXiv:astro-ph/0607493. Bibcode:2006ApJ...646..505B. doi:10.1086/504701.
External links
Coordinates: 
00h 24m 20.2778s, −56° 39′ 00.171″
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