All names: Gaia DR3 6880570941438210176, 2MASS J20131891-1201182, SDSS J201318.93-120118.3, UCAC2 27575540, Gaia DR2 6880570941438210176, TIC 14348341, GALEXJ20133-1201, UCAC4 390-129336, SDSS J201318.92-120118.2, GALEX J201318.8-120119
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 13 18.83 | 20 13 18.93 (0.03) | ||
| Declination | -12 01 19.73 | -12 01 18.25 (0.02) | ||
| Spectral type | He-sdO | sdOC2VIIHe37 | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.35 (0.04) | 0.25 (0.04) | |
| Distance | [pc] | 2886.84 (353) | 3927.73 (551) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.649 (0.08) | -0.534 (0.04) | |
| Proper motion (declination) | [mas/yr] | -1.233 (0.05) | -1.151 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | 14.03 (0.09) | |||
| I magnitude | ||||
| J magnitude | 14.24 (0.03) | 14.24 (0.03) | ||
| H magnitude | 14.30 (0.04) | 14.30 (0.04) | ||
| K magnitude | 14.43 (0.09) | 14.43 (0.09) | ||
| u magnitude | 13.63 (0.005) | |||
| g magnitude | 13.79 (0.003) | |||
| r magnitude | ||||
| i magnitude | 16.18 (0.02) | |||
| z magnitude | 14.89 (0.008) | |||
| G magnitude | 13.80 (0.0005) | 13.78 (0.003) | ||
| BP magnitude | 13.59 (0.007) | |||
| RP magnitude | 13.98 (0.001) | |||
| Pan g magnitude | 13.68 (0.008) | |||
| Pan r magnitude | 14.01 (0.009) | |||
| Pan i magnitude | 14.32 (0.003) | |||
| Pan z magnitude | 14.56 (0.004) | |||
| Pan y magnitude | 14.71 (0.004) | |||
| E(B-V) | 0.123 | |||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.