This page summarises the information held within TEPCat for the transiting planetary system TOI-1227. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022AJ....163..156M | |
| Date of discovery paper | 2021 / 10 / 20 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 12 27 04.32 | h m s |
| Declination | −72 27 06.4 | d m s |
| Right ascension (decimal) | 186.76800 | degrees |
| Declination (decimal) | -72.45178 | degrees |
| V-band apparent magnitude | 17.19 | mag |
| K-band apparent magnitude | 11.03 | mag |
| Transit duration | 0.1980 ( 4.752 ) | day hour |
| Transit depth | 2.5 | % |
| Time of mid-transit | 2460067.6622 ± 0.0027 | HJD or BJD |
| Orbital period | 27.36155 ± 0.00015 | days |
| Reference for orbital ephemeris | 2024A+A...683A..96A |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3072 ± 74 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.170 ± 0.015 | Msun |
| Stellar radius | 0.56 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | 0.705 +0.062 −0.072 ( 0.995 +0.087 −0.102 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.2 −0.0 | |
| Orbital semimajor axis | 0.0886 +0.0054 −0.0057 | AU |
| Planetary mass | 0.0 +0.5 −0.0 ( 0 +158 −0 ) | Mjup Mearth |
| Planetary radius | 0.854 +0.067 −0.052 ( 9.57 +0.75 −0.58 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2022AJ....163..156M |
TOI-1227 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)