HD 179079 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 179079 | |
| Constellation | Aquila | |
| Right ascension | (α) | 19h 11m 09.8291s | 
| Declination | (δ) | −02° 38′ 18.185″ | 
| Apparent magnitude | (mV) | 7.96 | 
| Distance | 207.7 ly (63.69 pc) | |
| Spectral type | G5IV | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.11 AU | 
| Periastron | (q) | 0.10 AU | 
| Apastron | (Q) | 0.12 AU | 
| Eccentricity | (e) | 0.115 ± 0.087 | 
| Orbital period | (P) | 14.476 ± 0.011 d (0.039632 ± 0.000238 y) | 
| Argument of periastron | (ω) | 357 ± 62° | 
| Time of periastron | (T0) | 2454400.5 ± 2.4 JD | 
| Physical characteristics | ||
| Minimum mass | (m sin i) | 0.08 MJ | 
| Discovery information | ||
| Discovery date | August 12, 2009 | |
| Discoverer(s) | Valenti et al.[1] | |
| Discovery method | Radial velocity | |
| Discovery site | Keck Observatory | |
| Discovery status | Published[1] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 179079 b is an extrasolar planet which orbits the G-type subgiant star HD 179079, located approximately 208 light years away in the constellation Aquila. This planet has mass only 1/12 that of Jupiter or 1.5 times Neptune. The planet orbits very close to the star, at a distance of 0.11 AU. This planet takes two weeks to revolve around the star.[1] This planet was discovered using the Keck telescopes on August 12, 2009.
References
- 1 2 3 Valenti, Jeff A.; et al. (2009). "Two Exoplanets Discovered at Keck Observatory". The Astrophysical Journal 702 (2): 989–997. arXiv:0908.1612. Bibcode:2009ApJ...702..989V. doi:10.1088/0004-637X/702/2/989.
Coordinates:  19h 11m 09.8291s, −02° 38′ 18.185″
 19h 11m 09.8291s, −02° 38′ 18.185″
This article is issued from Wikipedia - version of the Friday, December 19, 2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.