This page summarises the information held within TEPCat for the transiting planetary system TOI-5646. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2608.24311 | |
| Date of discovery paper | 2026 / 8 / 26 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 13 13 47.31 | h m s |
| Declination | +05 42 07.7 | d m s |
| Right ascension (decimal) | 198.44712 | degrees |
| Declination (decimal) | 5.70214 | degrees |
| V-band apparent magnitude | 11.38 | mag |
| K-band apparent magnitude | 9.99 | mag |
| Transit duration | 0.1442 ( 3.461 ) | day hour |
| Transit depth | 0.15 | % |
| Time of mid-transit | 2459687.3808 ± 0.0011 | HJD or BJD |
| Orbital period | 2.4277027 ± 0.0000025 | days |
| Reference for orbital ephemeris | arXiv:2608.24311 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6136 ± 51 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.32 ± 0.06 | dex |
| Stellar mass | 1.418 +0.068 −0.079 | Msun |
| Stellar radius | 1.857 +0.075 −0.068 | Rsun |
| Stellar logarithmic surface gravity | 4.060 +0.034 −0.040 | c.g.s. |
| Stellar mean density | 0.228 ± 0.027 ( 0.322 ± 0.038 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0427 ± 0.0019 | AU |
| Planetary mass | 0.144 ± 0.014 ( 45.8 ± 4.5 ) | Mjup Mearth |
| Planetary radius | 0.590 ± 0.025 ( 6.61 ± 0.28 ) | Rjup Rearth |
| Planetary surface gravity | 10.3 +1.4 −1.3 3.01 +0.06 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 0.66 +0.11 −0.10 ( 0.88 +0.15 −0.13 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1935 +29 −28 | K |
| Reference of detailed study | arXiv:2608.24311 |
TOI-5646 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/10/04 John Southworth (Keele University, UK)