This page summarises the information held within TEPCat for the transiting planetary system TOI-201b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021AJ....161..235H | |
| Date of discovery paper | 2021 / 3 / 5 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 05 49 36.41 | h m s |
| Declination | −54 54 38.6 | d m s |
| Right ascension (decimal) | 87.40171 | degrees |
| Declination (decimal) | -54.91072 | degrees |
| V-band apparent magnitude | 9.72 | mag |
| K-band apparent magnitude | 7.85 | mag |
| Transit duration | 0.200 ( 4.80 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2458376.0521 ± 0.0002 | HJD or BJD |
| Orbital period | 52.9786 ± 0.00001 | days |
| Reference for orbital ephemeris | arXiv:2604.23929 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6423 +90 −86 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.23 ± 0.06 | dex |
| Stellar mass | 1.32 ± 0.04 | Msun |
| Stellar radius | 1.31 ± 0.01 | Rsun |
| Stellar logarithmic surface gravity | 4.33 +0.02 −0.03 | c.g.s. |
| Stellar mean density | 0.605 +0.049 −0.050 ( 0.854 +0.069 −0.071 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.280 +0.004 −0.007 | |
| Orbital semimajor axis | 0.3002 ± 0.0031 | AU |
| Planetary mass | 0.516 ± 0.016 ( 164.03 ± 5.09 ) | Mjup Mearth |
| Planetary radius | 1.017 ± 0.009 ( 11.40 ± 0.10 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.46 +0.02 −0.0 ( 0.610 +0.027 −0.000 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 636 ± 10 | K |
| Reference of detailed study | arXiv:2604.23929 |
TOI-201b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/07/02 John Southworth (Keele University, UK)