HD 49674 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 49674 | |
| Constellation | Auriga | |
| Right ascension | (α) | 06h 51m 30.5164s |
| Declination | (δ) | +40° 52′ 03.923″ |
| Distance | 133.8 ly (40.73 pc) | |
| Spectral type | G5V | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.0580±0.0034 AU |
| Periastron | (q) | 0.0530 AU |
| Apastron | (Q) | 0.0630 AU |
| Eccentricity | (e) | 0.087±0.095 |
| Orbital period | (P) | 4.94737±0.00098 d |
| Orbital speed | (υ) | 128 km/s |
| Argument of periastron |
(ω) | 264° |
| Time of periastron | (T0) | 2,451,882.38±0.88 JD |
| Semi-amplitude | (K) | 13.7±0.21 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 0.105±0.011 MJ (33.4±0.5 M⊕) |
| Discovery information | ||
| Discovery date | June 13, 2002 | |
| Discoverer(s) | Butler, Marcy, Vogt et al. Department of Astronomy, 601 Campbell Hall, University of California, Berkeley, California  | |
| Discovery method | Radial velocity | |
| Discovery site | exoplanets.org | |
| Discovery status | Published | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 49674 b is an extrasolar planet[1] located approximately 134 light-years away in the constellation of Auriga, orbiting the star HD 49674. This planet was discovered orbiting the star in 2002. The planet is a gas giant and orbits extremely close to its star, which takes only 4.95 days to revolve.[2]
References
- ↑ Butler, R. Paul; et al. (2003). "Seven New Keck Planets Orbiting G and K Dwarfs". The Astrophysical Journal 582 (1): 455–466. Bibcode:2003ApJ...582..455B. doi:10.1086/344570.
- ↑ 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
- "Notes for planet HD 49674 b". The Extrasolar Planets Encyclopaedia. Retrieved 2008-08-23.
- "HD 49674". Exoplanets. Retrieved 2008-08-23.
- Sky Map
Coordinates: 
06h 51m 30.5164s, +40° 52′ 03.923″
This article is issued from Wikipedia - version of the Friday, January 02, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.