This page summarises the information held within TEPCat for the transiting planetary system HD 108236e. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021AJ....161...85D | |
| Date of discovery paper | 2020 / 4 / 24 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 12 26 17.89 | h m s |
| Declination | −51 21 46.2 | d m s |
| Right ascension (decimal) | 186.57454 | degrees |
| Declination (decimal) | -51.36283 | degrees |
| V-band apparent magnitude | 9.24 | mag |
| K-band apparent magnitude | 7.64 | mag |
| Transit duration | 0.1672 ( 4.013 ) | day hour |
| Transit depth | 0.12 | % |
| Time of mid-transit | 2458586.56741 ± 0.00055 | HJD or BJD |
| Orbital period | 19.5901277 ± 0.000030 | days |
| Reference for orbital ephemeris | 2022A+A...668A.117H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5660 ± 61 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.28 ± 0.04 | dex |
| Stellar mass | 0.867 +0.047 −0.046 | Msun |
| Stellar radius | 0.876 ± 0.007 | Rsun |
| Stellar logarithmic surface gravity | 4.49 ± 0.11 | c.g.s. |
| Stellar mean density | 1.79 ± 0.11 ( 2.53 ± 0.16 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.073 +0.014 −0.017 | |
| Orbital semimajor axis | 0.1348 ± 0.0012 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.2684 ± 0.0029 ( 3.008 ± 0.033 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 696 ± 8 | K |
| Reference of detailed study | 2022A+A...668A.117H |
HD 108236e does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)