This page summarises the information held within TEPCat for the transiting planetary system TOI-1823. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2024ApJS..272...32P | |
| Date of discovery paper | 2026 / 3 / 26 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 13 04 52.89 | h m s |
| Declination | +63 45 13.6 | d m s |
| Right ascension (decimal) | 196.22037 | degrees |
| Declination (decimal) | 63.75378 | degrees |
| V-band apparent magnitude | 10.73 | mag |
| K-band apparent magnitude | 8.33 | mag |
| Transit duration | 0.247 ( 5.93 ) | day hour |
| Transit depth | 0.9 | % |
| Time of mid-transit | 2458715.1787 ± 0.0004 | HJD or BJD |
| Orbital period | 38.81360 ± 0.00002 | days |
| Reference for orbital ephemeris | arXiv:2603.23713 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4927 ± 58 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.24 ± 0.09 | dex |
| Stellar mass | 0.84 ± 0.03 | Msun |
| Stellar radius | 0.80 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | 1.59 +0.18 −0.22 ( 2.24 +0.25 −0.31 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.062 ± 0.057 | |
| Orbital semimajor axis | 0.2118 +0.0022 −0.0023 | AU |
| Planetary mass | 0.212 ± 0.026 ( 67.4 ± 8.3 ) | Mjup Mearth |
| Planetary radius | 0.673 +0.029 −0.022 ( 7.54 +0.33 −0.25 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.65 +0.14 −0.18 ( 0.86 +0.19 −0.24 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | arXiv:2603.23713 |
| Reference | λ (degrees) |
|---|---|
| Handley et al. (2026) | 8 + 22 - 14 |
Page generated on 2026/04/13 John Southworth (Keele University, UK)