CoRoT-2
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 27m 06.496s[1] |
| Declination | +01° 23′ 01.38″[1] |
| Apparent magnitude (V) | 12.57[1] |
| Characteristics | |
| Spectral type | G7V[2] K0V (SIMBAD)[1] |
| Apparent magnitude (V) | ~12.57 |
| Apparent magnitude (I) | 11.49 ±0.03 |
| Apparent magnitude (J) | 10.783 ±0.028 |
| Apparent magnitude (H) | 10.44 ±0.04 |
| Apparent magnitude (K) | 10.31 ±0.03 |
| Astrometry | |
| Proper motion (μ) | RA: -5.3[1] mas/yr Dec.: -9.1[1] mas/yr |
| Distance | 930 ly (290 pc) |
| Details | |
| Mass | 0.97 ±0.06 M☉ |
| Radius | 0.902 ±0.018 R☉ |
| Temperature | 5625 ±120 K |
| Metallicity | 0 ±0.1 |
| Age | ? years |
| Other designations | |
| Database references | |
| SIMBAD | data |
COROT-2 is a yellow dwarf main sequence star a little cooler than the Sun. This star is located approximately 930 light-years away in the constellation of Aquila. The apparent magnitude of this star is 12, which means it is not visible to the naked eye but can be seen with a medium sized amateur telescope on a clear dark night.[1]
+ "2MASS J19270636+0122577, is a true physical companion of spectral type K9, as earlier hypothesized by Alonso et al. (2008), making CoRoT-2 a wide binary system with at least one planet. " (cf. http://www.aanda.org/index.php?option=com_article&access=standard&Itemid=129&url=/articles/aa/full_html/2012/03/aa18042-11/aa18042-11.html)
Planetary system
This star is home to exoplanet COROT-2b discovered by the COROT Mission spacecraft using the transit method.[2]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 3.31 ±0.16 MJ | 0.0281 ±0.0009 | 1.7429964 ±1.7e-06 | 0 | — | — |
See also
References
- ^ a b c d e f g h "SIMBAD query result: GSC 00465-01282 -- Star". Centre de Données astronomiques de Strasbourg. Retrieved 2009-04-27.
- ^ a b Alonso et al (2008). "Transiting exoplanets from the CoRoT space mission. II. CoRoT-Exo-2b: a transiting planet around an active G star". Astronomy and Astrophysics. 482 (3): L21–L24. arXiv:0803.3207. Bibcode:2008A&A...482L..21A. doi:10.1051/0004-6361:200809431.
{{cite journal}}: Unknown parameter|unused_data=ignored (help)
External links
- "CoRot-2". Exoplanets. Retrieved 2009-04-28.