This page summarises the information held within TEPCat for the transiting planetary system TOI-1266c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020AJ....160..259S | |
| Date of discovery paper | 2020 / 6 / 22 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 13 11 59.18 | h m s |
| Declination | +65 50 01.3 | d m s |
| Right ascension (decimal) | 197.99658 | degrees |
| Declination (decimal) | 65.83369 | degrees |
| V-band apparent magnitude | 12.94 | mag |
| K-band apparent magnitude | 8.84 | mag |
| Transit duration | 0.0767 ( 1.841 ) | day hour |
| Transit depth | 0.13 | % |
| Time of mid-transit | 2459648.84710 ± 0.00095 | HJD or BJD |
| Orbital period | 18.801611 ± 0.000053 | days |
| Reference for orbital ephemeris | 2024MNRAS.527.5464C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3573 +35 −38 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.08 +0.13 −0.12 | dex |
| Stellar mass | 0.436 ± 0.013 | Msun |
| Stellar radius | 0.431 ± 0.020 | Rsun |
| Stellar logarithmic surface gravity | 4.793 +0.032 −0.033 | c.g.s. |
| Stellar mean density | 5.19 +0.54 −0.50 ( 7.32 +0.76 −0.71 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.34 −0.0 | |
| Orbital semimajor axis | 0.1037 +0.0026 −0.0025 | AU |
| Planetary mass | 0.0093 ± 0.0017 ( 2.96 ± 0.54 ) | Mjup Mearth |
| Planetary radius | 0.190 ± 0.011 ( 2.13 ± 0.12 ) | Rjup Rearth |
| Planetary surface gravity | 6.2 +2.0 −1.9 2.8 +0.1 −0.2 | m/s2 log(cgs) |
| Planetary mean density | 1.3 ± 0.3 ( 1.72 ± 0.40 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 354 ± 16 | K |
| Reference of detailed study | 2025AJ....169..109T |
TOI-1266c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)