This page summarises the information held within TEPCat for the transiting planetary system TOI-201. 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 | 0.21 ( 5.0 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2458376.0520 ± 0.0003 | HJD or BJD |
| Orbital period | 52.97818 ± 0.00004 | days |
| Reference for orbital ephemeris | 2021AJ....161..235H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6394 ± 75 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.240 ± 0.036 | dex |
| Stellar mass | 1.316 ± 0.027 | Msun |
| Stellar radius | 1.317 ± 0.011 | Rsun |
| Stellar logarithmic surface gravity | 4.318 ± 0.014 | c.g.s. |
| Stellar mean density | 0.57 ± 0.02 ( 0.804 ± 0.028 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.28 +0.06 −0.09 | |
| Orbital semimajor axis | 0.30 +0.02 −0.03 | AU |
| Planetary mass | 0.42 +0.05 −0.03 ( 133.51 +15.89 −9.54 ) | Mjup Mearth |
| Planetary radius | 1.008 +0.012 −0.015 ( 11.30 + 0.13 − 0.17 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 759 +37 −26 | K |
| Reference of detailed study | 2021AJ....161..235H |
TOI-201 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/10/04 John Southworth (Keele University, UK)