CoRoT-2
CoRoT-2 is a yellow dwarf main sequence star a little cooler than the Sun. This star is located approximately 700 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.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 27m 06.4945s |
| Declination | +01° 23′ 01.3576″ |
| Apparent magnitude (V) | 12.57 |
| Characteristics | |
| Spectral type | G7V K0V (SIMBAD) |
| Apparent magnitude (V) | ~12.577 |
| Apparent magnitude (I) | 11.49 ±0.03 |
| Apparent magnitude (J) | 10.5783 ±0.028 |
| Apparent magnitude (H) | 10.44 ±0.04 |
| Apparent magnitude (K) | 10.31 ±0.03 |
| Astrometry | |
| Proper motion (μ) | RA: −3.409±0.084 mas/yr Dec.: −10.936±0.074 mas/yr |
| Parallax (π) | 4.6608 ± 0.0536 mas |
| Distance | 700 ± 8 ly (215 ± 2 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 |
It has a true physical companion, 2MASS J19270636+0122577, with a spectral type of K9, as earlier hypothesized by Alonso et al. (2008), making CoRoT-2 a wide binary system with at least one planet.
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