This page summarises the information held within TEPCat for the transiting planetary system TOI-3457. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2510.01725 | |
| Date of discovery paper | 2025 / 10 / 3 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 12 12 50.00 | h m s |
| Declination | −79 45 25.9 | d m s |
| Right ascension (decimal) | 183.20833 | degrees |
| Declination (decimal) | -79.75719 | degrees |
| V-band apparent magnitude | 12.34 | mag |
| K-band apparent magnitude | 10.40 | mag |
| Transit duration | 0.1729 ( 4.150 ) | day hour |
| Transit depth | 0.4 | % |
| Time of mid-transit | 2459531.16898 ± 0.00048 | HJD or BJD |
| Orbital period | 32.600268 ± 0.000029 | days |
| Reference for orbital ephemeris | arXiv:2510.01725 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6300 ± 120 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.28 ± 0.05 | dex |
| Stellar mass | 1.04 ± 0.06 | Msun |
| Stellar radius | 1.474 ± 0.037 | Rsun |
| Stellar logarithmic surface gravity | 4.28 ± 0.05 | c.g.s. |
| Stellar mean density | 0.325 ± 0.028 ( 0.459 ± 0.040 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.2001 ± 0.0064 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.949 ± 0.022 ( 10.64 ± 0.25 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 824 ± 10 | K |
| Reference of detailed study | arXiv:2510.01725 |
TOI-3457 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)