This page summarises the information held within TEPCat for the transiting planetary system TOI-1820. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022A+A...667A..22K | |
| Date of discovery paper | 2022 / 5 / 3 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 12 30 44.81 | h m s |
| Declination | +27 27 07.2 | d m s |
| Right ascension (decimal) | 187.68671 | degrees |
| Declination (decimal) | 27.45200 | degrees |
| V-band apparent magnitude | 10.90 | mag |
| K-band apparent magnitude | 9.51 | mag |
| Transit duration | 0.115 ( 2.76 ) | day hour |
| Transit depth | 0.5 | % |
| Time of mid-transit | 2458903.0631 ± 0.0007 | HJD or BJD |
| Orbital period | 4.860700 ± 0.000010 | days |
| Reference for orbital ephemeris | 2022A+A...667A..22K |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5734 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.14 ± 0.15 | dex |
| Stellar mass | 1.04 ± 0.13 | Msun |
| Stellar radius | 1.51 ± 0.06 | Rsun |
| Stellar logarithmic surface gravity | 4.24 ± 0.05 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.043 +0.008 −0.009 | |
| Orbital semimajor axis | 0.069 ± 0.005 | AU |
| Planetary mass | 2.3 ± 0.2 ( 731 ± 63 ) | Mjup Mearth |
| Planetary radius | 1.12 ± 0.02 ( 12.55 ± 0.22 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 1.6 ± 0.2 ( 2.12 ± 0.27 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1295 ± 11 | K |
| Reference of detailed study | 2022A+A...667A..22K |
TOI-1820 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)