This page summarises the information held within TEPCat for the transiting planetary system TOI-5261. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025MNRAS.543..292S | |
| Date of discovery paper | 2025 / 9 / 4 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 20 21 50.18 | h m s |
| Declination | +19 26 09.1 | d m s |
| Right ascension (decimal) | 305.45908 | degrees |
| Declination (decimal) | 19.43586 | degrees |
| V-band apparent magnitude | 12.68 | mag |
| K-band apparent magnitude | 11.16 | mag |
| Transit duration | 0.0983 ( 2.359 ) | day hour |
| Transit depth | 1.2 | % |
| Time of mid-transit | 2459442.96658 ± 0.00058 | HJD or BJD |
| Orbital period | 4.1509768 ± 0.0000068 | days |
| Reference for orbital ephemeris | 2025MNRAS.543..292S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5790 +140 −120 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.254 +0.076 −0.077 | dex |
| Stellar mass | 1.037 +0.053 −0.057 | Msun |
| Stellar radius | 1.021 +0.033 −0.032 | Rsun |
| Stellar logarithmic surface gravity | 4.435 +0.031 −0.033 | c.g.s. |
| Stellar mean density | 0.972 +0.099 −0.092 ( 1.37 +0.14 −0.13 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.159 +0.010 −0.008 | |
| Orbital semimajor axis | 0.05134 +0.00086 −0.00096 | AU |
| Planetary mass | 11.49 +0.43 −0.46 ( 36526 +1367 −1462 ) | Mjup Mearth |
| Planetary radius | 1.035 +0.042 −0.041 ( 11.60 + 0.47 − 0.46 ) | Rjup Rearth |
| Planetary surface gravity | 266 +23 −22 4.42 +0.04 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 9.7 +1.3 −1.1 ( 12.9 + 1.7 − 1.5 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1244 +30 −25 | K |
| Reference of detailed study | 2025MNRAS.543..292S |
TOI-5261 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)