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. Bibcode:2009ApJ...702..989V. arXiv:0908.1612 . doi:10.1088/0004-637X/702/2/989.
Coordinates: 19h 11m 09.8291s, −02° 38′ 18.185″
This article is issued from
Wikipedia.
The text is licensed under Creative Commons - Attribution - Sharealike.
Additional terms may apply for the media files.