This page summarises the information held within TEPCat for the transiting planetary system HD 118203. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020AJ....159..243P | |
| Date of discovery paper | 2019 / 11 / 13 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 13 34 02.39 | h m s |
| Declination | +53 43 41.5 | d m s |
| Right ascension (decimal) | 203.50996 | degrees |
| Declination (decimal) | 53.72819 | degrees |
| V-band apparent magnitude | 8.14 | mag |
| K-band apparent magnitude | 6.54 | mag |
| Transit duration | 0.2352 ( 5.645 ) | day hour |
| Transit depth | 0.35 | % |
| Time of mid-transit | 2458724.93152 ± 0.00023 | HJD or BJD |
| Orbital period | 6.134980 ± 0.000038 | days |
| Reference for orbital ephemeris | 2020AJ....159..243P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5692 ± 83 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.223 ± 0.073 | dex |
| Stellar mass | 1.257 +0.051 −0.056 | Msun |
| Stellar radius | 2.103 +0.055 −0.054 | Rsun |
| Stellar logarithmic surface gravity | 3.891 +0.019 −0.020 | c.g.s. |
| Stellar mean density | 0.135 ± 0.009 ( 0.190 ± 0.013 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.316 ± 0.021 | |
| Orbital semimajor axis | 0.0708 +0.0010 −0.0011 | AU |
| Planetary mass | 2.173 +0.077 −0.080 ( 690 +24 −25 ) | Mjup Mearth |
| Planetary radius | 1.133 +0.031 −0.030 ( 12.70 + 0.35 − 0.34 ) | Rjup Rearth |
| Planetary surface gravity | 41.9 +2.1 −2.0 3.62 +0.02 −0.02 | m/s2 log(cgs) |
| Planetary mean density | 1.39 ± 0.010 ( 1.844 ± 0.013 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1496 ± 26 | K |
| Reference of detailed study | 2020AJ....159..243P |
HD 118203 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2023/09/01 John Southworth (Keele University, UK)