This page summarises the information held within TEPCat for the transiting planetary system TOI-2989. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025A+A...700A.118F | |
| Date of discovery paper | 2025 / 6 / 6 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 11 24 55.74 | h m s |
| Declination | −27 03 44.3 | d m s |
| Right ascension (decimal) | 171.23225 | degrees |
| Declination (decimal) | -27.06231 | degrees |
| V-band apparent magnitude | 13.95 | mag |
| K-band apparent magnitude | 10.86 | mag |
| Transit duration | 0.1117 ( 2.681 ) | day hour |
| Transit depth | 2.3 | % |
| Time of mid-transit | 2459302.2242 ± 0.0002 | HJD or BJD |
| Orbital period | 3.122832 ± 0.0000001 | days |
| Reference for orbital ephemeris | 2025A+A...700A.118F |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4672 ± 170 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.04 ± 0.07 | dex |
| Stellar mass | 0.77 ± 0.02 | Msun |
| Stellar radius | 0.76 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.58 ± 0.04 | c.g.s. |
| Stellar mean density | 1.8 ± 0.1 ( 2.54 ± 0.14 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | AU | |
| Planetary mass | 3.0 ± 0.2 ( 953 ± 63 ) | Mjup Mearth |
| Planetary radius | 1.12 ± 0.05 ( 12.55 ± 0.56 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 2.04 ± 0.38 ( 2.71 ± 0.50 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1001 +43 −42 | K |
| Reference of detailed study | 2025A+A...700A.118F |
TOI-2989 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)