This page summarises the information held within TEPCat for the transiting planetary system TOI-2977. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2023ApJS..265....1Y | |
| Date of discovery paper | 2022 / 10 / 28 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 09 35 42.36 | h m s |
| Declination | −60 21 26.9 | d m s |
| Right ascension (decimal) | 143.92650 | degrees |
| Declination (decimal) | -60.35747 | degrees |
| V-band apparent magnitude | 12.53 | mag |
| K-band apparent magnitude | 10.67 | mag |
| Transit duration | 0.1223 ( 2.935 ) | day hour |
| Transit depth | 1.2 | % |
| Time of mid-transit | 2459373.83677 ± 0.00029 | HJD or BJD |
| Orbital period | 2.3505614 ± 0.0000025 | days |
| Reference for orbital ephemeris | 2023ApJS..265....1Y |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5691 +94 −93 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.013 +0.087 −0.085 | dex |
| Stellar mass | 0.936 +0.057 −0.041 | Msun |
| Stellar radius | 1.073 +0.024 −0.020 | Rsun |
| Stellar logarithmic surface gravity | 4.350 +0.012 −0.013 | c.g.s. |
| Stellar mean density | 0.764 +0.020 −0.030 ( 1.078 +0.028 −0.042 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.126 −0.0 | |
| Orbital semimajor axis | 0.03386 +0.00067 −0.00050 | AU |
| Planetary mass | 1.68 +0.26 −0.25 ( 534 +82 −79 ) | Mjup Mearth |
| Planetary radius | 1.174 +0.031 −0.027 ( 13.16 + 0.35 − 0.30 ) | Rjup Rearth |
| Planetary surface gravity | 30.1 +4.6 −4.5 3.48 +0.06 −0.07 | m/s2 log(cgs) |
| Planetary mean density | 0.965 +0.158 −0.151 ( 1.28 +0.21 −0.20 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1544 ± 26 | K |
| Reference of detailed study | 2023ApJS..265....1Y |
TOI-2977 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)