This page summarises the information held within TEPCat for the transiting planetary system TOI-5340. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025ApJS..280...30Y | |
| Date of discovery paper | 2025 / 7 / 3 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 03 57 14.26 | h m s |
| Declination | +22 22 42.2 | d m s |
| Right ascension (decimal) | 59.30942 | degrees |
| Declination (decimal) | 22.37839 | degrees |
| V-band apparent magnitude | 12.43 | mag |
| K-band apparent magnitude | 10.61 | mag |
| Transit duration | 0.2077 ( 4.985 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2459712.57896 ± 0.00068 | HJD or BJD |
| Orbital period | 4.9394391 ± 0.0000072 | days |
| Reference for orbital ephemeris | 2025ApJS..280...30Y |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5990 +160 −140 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.208 ± 0.082 | dex |
| Stellar mass | 1.35 +0.15 −0.07 | Msun |
| Stellar radius | 1.839 +0.058 −0.059 | Rsun |
| Stellar logarithmic surface gravity | 4.038 +0.061 −0.041 | c.g.s. |
| Stellar mean density | 0.216 +0.030 −0.028 ( 0.305 +0.042 −0.040 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.09 +0.06 −0.10 | |
| Orbital semimajor axis | 0.0628 +0.0025 −0.0011 | AU |
| Planetary mass | 0.85 ± 0.28 ( 270 ± 89 ) | Mjup Mearth |
| Planetary radius | 1.345 +0.048 −0.050 ( 15.08 + 0.54 − 0.56 ) | Rjup Rearth |
| Planetary surface gravity | 11.7 +5.6 −3.0 3.1 +0.2 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 0.32 +0.11 −0.12 ( 0.42 +0.15 −0.16 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1566 +28 −25 | K |
| Reference of detailed study | 2025ApJS..280...30Y |
TOI-5340 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)