This page summarises the information held within TEPCat for the transiting planetary system CoRoT-2. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2008A+A...482L..21A | |
| Date of discovery paper | 2008 / 3 / 21 | y / m / d |
| Data/telescope used for discovery | CoRoT | |
| Right ascension | 19 27 06.50 | h m s |
| Declination | +01 23 01.4 | d m s |
| Right ascension (decimal) | 291.77708 | degrees |
| Declination (decimal) | 1.38372 | degrees |
| V-band apparent magnitude | 12.57 | mag |
| K-band apparent magnitude | 10.31 | mag |
| Transit duration | 0.09446 ( 2.2670 ) | day hour |
| Transit depth | 3.2 | % |
| Time of mid-transit | 2455628.44758 ± 0.00014 | HJD or BJD |
| Orbital period | 1.74299673 ± 0.00000031 | days |
| Reference for orbital ephemeris | 2015MNRAS.450.3101B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5598 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.04 ± 0.05 | dex |
| Stellar mass | 0.997 ± 0.049 | Msun |
| Stellar radius | 0.901 ± 0.019 | Rsun |
| Stellar logarithmic surface gravity | 4.527 ± 0.017 | c.g.s. |
| Stellar mean density | 1.362 ± 0.064 ( 1.922 ± 0.090 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0143 ± 0.0077 | |
| Orbital semimajor axis | 0.02835 ± 0.00047 | AU |
| Planetary mass | 3.57 ± 0.15 ( 1134 ± 47 ) | Mjup Mearth |
| Planetary radius | 1.460 ± 0.031 ( 16.37 ± 0.35 ) | Rjup Rearth |
| Planetary surface gravity | 41.5 ± 1.7 3.62 ± 0.02 | m/s2 log(cgs) |
| Planetary mean density | 1.073 ± 0.058 ( 1.423 ± 0.077 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1521 ± 18 | K |
| Reference of detailed study | 2012MNRAS.426.1291S |
| Reference | λ (degrees) |
|---|---|
| Bouchy et al. (2008) | 7.2 ± 4.5 |
| Nutzmann et al. (2011) | 4.7 ± 12.3 |
| Czesla et al. (2012) | −1.0 + 6.0 - 7.7 |
| Gillon et al. (2010) | 4.0 + 5.9 - 6.1 |
Page generated on 2025/01/01 John Southworth (Keele University, UK)