This page summarises the information held within TEPCat for the transiting planetary system CoRoT-20. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2012A+A...538A.145D | |
| Date of discovery paper | 2011 / 9 / 16 | y / m / d |
| Data/telescope used for discovery | CoRoT | |
| Right ascension | 06 30 52.90 | h m s |
| Declination | +00 13 36.9 | d m s |
| Right ascension (decimal) | 97.72042 | degrees |
| Declination (decimal) | 0.22692 | degrees |
| V-band apparent magnitude | 14.66 | mag |
| K-band apparent magnitude | 12.51 | mag |
| Transit duration | 0.0927 ( 2.225 ) | day hour |
| Transit depth | 0.9 | % |
| Time of mid-transit | 2455266.0006 ± 0.0012 | HJD or BJD |
| Orbital period | 9.2431839 ± 0.0000072 | days |
| Reference for orbital ephemeris | 2021FrASS...8..210K |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5880 ± 90 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.14 ± 0.12 | dex |
| Stellar mass | 1.10 ± 0.10 | Msun |
| Stellar radius | 1.16 +0.15 −0.20 | Rsun |
| Stellar logarithmic surface gravity | 4.35 +0.11 −0.14 | c.g.s. |
| Stellar mean density | 0.71 +0.26 −0.35 ( 1.00 +0.37 −0.49 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.59 ± 0.02 | |
| Orbital semimajor axis | 0.0891 ± 0.0038 | AU |
| Planetary mass | 4.14 +0.36 −0.30 ( 1316 +114 −95 ) | Mjup Mearth |
| Planetary radius | 1.00 +0.18 −0.21 ( 11.2 + 2.0 − 2.4 ) | Rjup Rearth |
| Planetary surface gravity | 102 +42 −35 4.0 +0.1 −0.2 | m/s2 log(cgs) |
| Planetary mean density | 3.9 +2.1 −2.4 ( 5.2 +2.8 −3.2 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1024 ± 16 | K |
| Reference of detailed study | 2019MNRAS.483..824R |
CoRoT-20 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)