This page summarises the information held within TEPCat for the transiting planetary system TOI-2421. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022AJ....164...70Y | |
| Date of discovery paper | 2022 / 5 / 20 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 02 12 36.97 | h m s |
| Declination | −35 23 27.3 | d m s |
| Right ascension (decimal) | 33.15404 | degrees |
| Declination (decimal) | -35.39092 | degrees |
| V-band apparent magnitude | 11.49 | mag |
| K-band apparent magnitude | 9.67 | mag |
| Transit duration | 0.2026 ( 4.862 ) | day hour |
| Transit depth | 0.29 | % |
| Time of mid-transit | 2458957.02765 ± 0.00064 | HJD or BJD |
| Orbital period | 4.3474032 ± 0.0000079 | days |
| Reference for orbital ephemeris | 2022AJ....164...70Y |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5607 ± 68 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.190 +0.083 −0.085 | dex |
| Stellar mass | 1.131 +0.130 −0.064 | Msun |
| Stellar radius | 1.750 +0.051 −0.049 | Rsun |
| Stellar logarithmic surface gravity | 4.005 +0.059 −0.037 | c.g.s. |
| Stellar mean density | 0.210 +0.034 −0.022 ( 0.296 +0.048 −0.031 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.136 −0.0 | |
| Orbital semimajor axis | 0.0543 +0.0021 −0.0010 | AU |
| Planetary mass | 0.333 ± 0.079 ( 105 ± 25 ) | Mjup Mearth |
| Planetary radius | 0.925 +0.035 −0.034 ( 10.37 + 0.39 − 0.38 ) | Rjup Rearth |
| Planetary surface gravity | 9.6 +2.5 −2.3 3.0 +0.1 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 0.224 +0.036 −0.023 ( 0.297 +0.048 −0.031 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1534 +20 −28 | K |
| Reference of detailed study | 2022AJ....164...70Y |
TOI-2421 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/01/01 John Southworth (Keele University, UK)