This page summarises the information held within TEPCat for the transiting planetary system HD 213885. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020MNRAS.491.2982E | |
| Date of discovery paper | 2019 / 3 / 19 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 22 35 56.09 | h m s |
| Declination | −59 51 53.4 | d m s |
| Right ascension (decimal) | 338.98371 | degrees |
| Declination (decimal) | -59.86483 | degrees |
| V-band apparent magnitude | 8.00 | mag |
| K-band apparent magnitude | 6.42 | mag |
| Transit duration | 0.061 ( 1.46 ) | day hour |
| Transit depth | 0.02 | % |
| Time of mid-transit | 2458379.97043 ± 0.0012 | HJD or BJD |
| Orbital period | 1.008035 ± 0.000021 | days |
| Reference for orbital ephemeris | 2020MNRAS.491.2982E |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5978 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.04 ± 0.03 | dex |
| Stellar mass | 1.068 +0.020 −0.018 | Msun |
| Stellar radius | 1.1101 +0.0080 −0.0075 | Rsun |
| Stellar logarithmic surface gravity | 4.3827 +0.0095 −0.0097 | c.g.s. |
| Stellar mean density | 0.799 ± 0.023 ( 1.127 ± 0.032 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.16 −0.0 | |
| Orbital semimajor axis | 0.05680 +0.00044 −0.00032 | AU |
| Planetary mass | 0.0278 +0.0021 −0.0020 ( 8.84 +0.67 −0.64 ) | Mjup Mearth |
| Planetary radius | 0.1557 +0.0045 −0.0046 ( 1.745 +0.050 −0.052 ) | Rjup Rearth |
| Planetary surface gravity | 28.5 +2.8 −2.7 3.45 +0.04 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 6.9 ± 0.8 ( 9.2 ± 1.1 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1265 +7 −8 | K |
| Reference of detailed study | 2020MNRAS.491.2982E |
HD 213885 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)