This page summarises the information held within TEPCat for the transiting planetary system TOI-283. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025A+A...703A.201M | |
| Date of discovery paper | 2025 / 10 / 20 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 07 54 16.71 | h m s |
| Declination | −65 26 29.6 | d m s |
| Right ascension (decimal) | 118.56963 | degrees |
| Declination (decimal) | -65.44156 | degrees |
| V-band apparent magnitude | 10.42 | mag |
| K-band apparent magnitude | 8.52 | mag |
| Transit duration | 0.13 ( 3.1 ) | day hour |
| Transit depth | 0.05 | % |
| Time of mid-transit | 2459549.0822 ± 0.008 | HJD or BJD |
| Orbital period | 17.61745 ± 0.00002 | days |
| Reference for orbital ephemeris | 2025A+A...703A.201M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5213 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.09 ± 0.05 | dex |
| Stellar mass | 0.80 ± 0.01 | Msun |
| Stellar radius | 0.85 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.50 ± 0.03 | c.g.s. |
| Stellar mean density | 1.30 ± 0.14 ( 1.83 ± 0.20 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.123 ± 0.004 | AU |
| Planetary mass | 0.0206 ± 0.0064 ( 6.5 ± 2.0 ) | Mjup Mearth |
| Planetary radius | 0.209 ± 0.008 ( 2.343 ± 0.090 ) | Rjup Rearth |
| Planetary surface gravity | 11.7 ± 3.8 3.1 ± 0.1 | m/s2 log(cgs) |
| Planetary mean density | 2.12 ± 0.70 ( 2.81 ± 0.93 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 661 ± 9 | K |
| Reference of detailed study | 2025A+A...703A.201M |
TOI-283 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)