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| Observation data EpochJ2000.0 EquinoxJ2000.0 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 26m 21.26s[citation needed] |
| Declination | +01° 25′ 34.67″[citation needed] |
| Characteristics | |
| Evolutionary stage | main sequence star |
| Spectral type | K3V[citation needed] |
| Variable type | planetary transit |
| Astrometry | |
| Proper motion (μ) | RA: 13.5768 ± 0.0475751[citation needed]mas/yr Dec.: -32.7832 ± 0.0418883[citation needed]mas/yr |
| Parallax (π) | 3.07662 ± 0.0259729[citation needed] mas |
| Details | |
| Mass | 0.88 M☉ |
| Radius | 0.77 R☉ |
| Temperature | 5143[citation needed] K |
| Metallicity [Fe/H] | -0.22 ± 0.11 Fe[citation needed] dex |
| Age | 1.7[citation needed] Gyr |
| Database references | |
| SIMBAD | data |
CoRoT-8 is a star in theconstellation Aquila at a distance of about 1239 light-years from us. At least one planet revolves around the star.
CoRoT-8 is an orange dwarf which has 0.88 solar masses and 0.77 solar radius.[1] By astronomical standards, this is already a rather young star compared to the Sun: its age is about 3 billion years. It got its name in honor of theCoRoT space telescope, with the help of which its planetary companion was discovered.
In 2010, a group of astronomers working within theCoRoT program announced the discovery of the planetCoRoT-8b in this system. It is a hot gas giant, similar in mass and size toSaturn. The planet orbits at a distance of about 0.06 AU. e. from the parent star, while making a complete revolution in 6.21 days.[2][3][4]
| Companion (in order from star) | Mass | Semimajor axis (AU) | Orbital period (days) | Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 0.218 ± 0.034 MJ | 0.0636 ± 0.0014 | 6.212445 ± 0.000007 | 0.19 | — | — |
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