This page summarises the information held within TEPCat for the transiting planetary system TOI-1422b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022A+A...667A...8N | |
| Date of discovery paper | 2022 / 7 / 8 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 23 36 57.89 | h m s |
| Declination | +39 38 21.8 | d m s |
| Right ascension (decimal) | 354.24121 | degrees |
| Declination (decimal) | 39.63939 | degrees |
| V-band apparent magnitude | 10.62 | mag |
| K-band apparent magnitude | 9.19 | mag |
| Transit duration | 0.186 ( 4.46 ) | day hour |
| Transit depth | 0.1 | % |
| Time of mid-transit | 2458745.9405 ± 0.0022 | HJD or BJD |
| Orbital period | 12.99894 ± 0.00003 | days |
| Reference for orbital ephemeris | 2026MNRAS.545f2030N |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5840 ± 62 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.09 ± 0.07 | dex |
| Stellar mass | 0.981 +0.062 −0.065 | Msun |
| Stellar radius | 1.019 +0.014 −0.013 | Rsun |
| Stellar logarithmic surface gravity | 4.41 ± 0.11 | c.g.s. |
| Stellar mean density | 0.92 ± 0.07 ( 1.298 ± 0.099 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.20 −0.0 | |
| Orbital semimajor axis | 0.107 ± 0.003 | AU |
| Planetary mass | 0.030 ± 0.006 ( 9.5 ± 1.9 ) | Mjup Mearth |
| Planetary radius | 0.341 ± 0.010 ( 3.82 ± 0.11 ) | Rjup Rearth |
| Planetary surface gravity | 6.4 +1.4 −1.3 2.81 +0.09 −0.10 | m/s2 log(cgs) |
| Planetary mean density | 0.70 +0.16 −0.15 ( 0.93 +0.21 −0.20 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 870 ± 14 | K |
| Reference of detailed study | 2026MNRAS.545f2030N |
TOI-1422b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)