Astronomy:HD 4203 b
From HandWiki
Short description: Super-Jupiter orbiting HD 4230
| Discovery | |
|---|---|
| Discovered by | Vogt et al. |
| Discovery site | Keck telescope |
| Discovery date | 15 October 2001 |
| radial velocity | |
| Orbital characteristics | |
| astron|astron|helion}} | 3.14 AU (470,000,000 km) |
| astron|astron|helion}} | 0.996 AU (149,000,000 km) |
| 2.07 ± 0.13 AU (310,000,000 ± 19,000,000 km) | |
| Eccentricity | 0.519 ± 0.027 |
| Orbital period | 431.88 ± 0.85 d 1.1824 y |
| astron|astron|helion}} | 2,451,918.9 ± 2.7 |
| 329.1 ± 3.1 | |
| Semi-amplitude | 60.3 ± 2.2 |
| Star | HD 4203 |
| Physical characteristics | |
| Mass | >1.16 |♃|J}}}}}} (>369 M⊕) |
HD 4203 b is an exoplanet more massive than Jupiter. It orbits two times further from the star than Earth to the Sun. The planet takes 1.1824 year to orbit the star very eccentrically from 1.00 AU to 3.14 AU. The planet was discovered by Steve Vogt using the Keck telescope.[1][2]
See also
References
- ↑ Vogt, Steven S. et al. (2002). "Ten Low-Mass Companions from the Keck Precision Velocity Survey". The Astrophysical Journal 568 (1): 352–362. doi:10.1086/338768. Bibcode: 2002ApJ...568..352V.
- ↑ Butler, R. P. et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646 (1): 505–522. doi:10.1086/504701. Bibcode: 2006ApJ...646..505B.
External links
Coordinates: 
00h 44m 41.2021s, +20° 26′ 56.138″
de:HD 4203 b
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