This page summarises the information held within TEPCat for the transiting planetary system TOI-2420. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2024A+A...690A..18C | |
| Date of discovery paper | 2024 / 8 / 13 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 00 59 18.44 | h m s |
| Declination | −19 46 16.2 | d m s |
| Right ascension (decimal) | 14.82683 | degrees |
| Declination (decimal) | -19.77117 | degrees |
| V-band apparent magnitude | 11.57 | mag |
| K-band apparent magnitude | 9.80 | mag |
| Transit duration | 0.190 ( 4.56 ) | day hour |
| Transit depth | 0.3 | % |
| Time of mid-transit | 2458388.4119 ± 0.0013 | HJD or BJD |
| Orbital period | 5.842641 ± 0.000014 | days |
| Reference for orbital ephemeris | 2024A+A...690A..18C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5560 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.19 ± 0.04 | dex |
| Stellar mass | 1.158 ± 0.098 | Msun |
| Stellar radius | 2.37 ± 0.12 | Rsun |
| Stellar logarithmic surface gravity | 3.77 ± 0.08 | c.g.s. |
| Stellar mean density | 0.09 ± 0.02 ( 0.127 ± 0.028 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.055 +0.036 −0.063 | |
| Orbital semimajor axis | 0.0684 +0.0067 −0.0059 | AU |
| Planetary mass | 0.927 +0.085 −0.079 ( 294 +27 −25 ) | Mjup Mearth |
| Planetary radius | 1.340 +0.074 −0.072 ( 15.02 + 0.83 − 0.81 ) | Rjup Rearth |
| Planetary surface gravity | 13.5 +2.5 −1.9 3.13 +0.07 −0.07 | m/s2 log(cgs) |
| Planetary mean density | 0.360 +0.075 −0.060 ( 0.478 +0.099 −0.080 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1572 +61 −64 | K |
| Reference of detailed study | 2024A+A...690A..18C |
TOI-2420 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)