This page summarises the information held within TEPCat for the transiting planetary system TOI-1238b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022A+A...658A.138G | |
| Date of discovery paper | 2021 / 11 / 30 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 13 25 31.76 | h m s |
| Declination | +68 50 09.8 | d m s |
| Right ascension (decimal) | 201.38233 | degrees |
| Declination (decimal) | 68.83606 | degrees |
| V-band apparent magnitude | 12.80 | mag |
| K-band apparent magnitude | 9.18 | mag |
| Transit duration | 0.0467 ( 1.121 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2458684.1022 ± 0.0031 | HJD or BJD |
| Orbital period | 0.764596 ± 0.000015 | days |
| Reference for orbital ephemeris | 2022A+A...658A.138G |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4089 ± 54 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.31 ± 0.19 | dex |
| Stellar mass | 0.59 ± 0.02 | Msun |
| Stellar radius | 0.58 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.63 ± 0.06 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 +0.25 −0.0 | |
| Orbital semimajor axis | 0.0139 ± 0.0008 | AU |
| Planetary mass | 0.0118 +0.0036 −0.0034 ( 3.8 +1.1 −1.1 ) | Mjup Mearth |
| Planetary radius | 0.108 +0.009 −0.010 ( 1.21 +0.10 −0.11 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 8.8 +3.2 −2.6 ( 11.7 + 4.2 − 3.4 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2022A+A...658A.138G |
TOI-1238b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)