This page summarises the information held within TEPCat for the transiting planetary system WD 1856+534. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020Natur.585..363V | |
| Date of discovery paper | 2020 / 9 / 7 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 18 57 39.34 | h m s |
| Declination | +53 30 33.3 | d m s |
| Right ascension (decimal) | 284.41392 | degrees |
| Declination (decimal) | 53.50925 | degrees |
| V-band apparent magnitude | 18.00 | mag |
| K-band apparent magnitude | 15.43 | mag |
| Transit duration | 0.00055 ( 0.0132 ) | day hour |
| Transit depth | 57 | % |
| Time of mid-transit | 2459038.435898 ± 0.0000011 | HJD or BJD |
| Orbital period | 1.407939217 ± 0.000000016 | days |
| Reference for orbital ephemeris | arXiv:2504.16982 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4920 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.605 ± 0.013 | Msun |
| Stellar radius | 0.0121 ± 0.0002 | Rsun |
| Stellar logarithmic surface gravity | 8.02 ± 0.02 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 +0.68 −0.0 | |
| Orbital semimajor axis | 0.02085 ± 0.0014 | AU |
| Planetary mass | 0.0 +5.2 −0.0 ( 0 +1653 −0 ) | Mjup Mearth |
| Planetary radius | 0.946 ± 0.017 ( 10.60 ± 0.19 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 165 ± 9 | K |
| Reference of detailed study | 2025ApJ...984L..28L |
WD 1856+534 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)