This page summarises the information held within TEPCat for the transiting planetary system TOI-1846. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025MNRAS.541.3249S | |
| Date of discovery paper | 2025 / 6 / 24 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 17 11 45.19 | h m s |
| Declination | +54 31 40.3 | d m s |
| Right ascension (decimal) | 257.93829 | degrees |
| Declination (decimal) | 54.52786 | degrees |
| V-band apparent magnitude | 13.97 | mag |
| K-band apparent magnitude | 9.60 | mag |
| Transit duration | 0.05912 ( 1.4189 ) | day hour |
| Transit depth | 0.2 | % |
| Time of mid-transit | 2459565.9552 ± 0.0031 | HJD or BJD |
| Orbital period | 3.9306737 ± 0.0000043 | days |
| Reference for orbital ephemeris | 2025MNRAS.541.3249S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3568 +47 −41 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.169 +0.051 −0.055 | dex |
| Stellar mass | 0.418 ± 0.025 | Msun |
| Stellar radius | 0.397 +0.011 −0.012 | Rsun |
| Stellar logarithmic surface gravity | 4.862 ± 0.027 | c.g.s. |
| Stellar mean density | 6.68 +0.58 −0.50 ( 9.43 +0.82 −0.71 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.03646 +0.00072 −0.00074 | AU |
| Planetary mass | 0.0138 +0.0050 −0.0031 ( 4.39 +1.59 −0.99 ) | Mjup Mearth |
| Planetary radius | 1.351 +0.049 −0.051 ( 15.14 + 0.55 − 0.57 ) | Rjup Rearth |
| Planetary surface gravity | 13.5 +4.7 −3.0 3.1 +0.1 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 3.2 +1.1 −0.7 ( 4.24 +1.46 −0.93 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 568 ± 6 | K |
| Reference of detailed study | 2025MNRAS.541.3249S |
TOI-1846 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)