All names: EC20111-3724, GALEX J201423.0-371542, WISE J201422.92-371542.4, Gaia DR2 6694364283585300736, EC 20111-3724, TIC 355051924, UCAC4 264-183578, 2MASS J20142293-3715422, Gaia DR3 6694364283585300736
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 14 23.04 | 20 14 22.93 (0.03) | ||
| Declination | -37 15 42.30 | -37 15 42.41 (0.03) | ||
| Spectral type | He-sdO | sdO9VIIHe33 | ||
| 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] | 1.07 (0.05) | 1.11 (0.04) | |
| Distance | [pc] | 938.17 (44) | 902.36 (32) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -12.913 (0.08) | -12.931 (0.04) | |
| Proper motion (declination) | [mas/yr] | -6.923 (0.06) | -6.874 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.20 | |||
| V magnitude | 13.45 | |||
| R magnitude | 13.71 (0.08) | |||
| I magnitude | ||||
| J magnitude | 14.04 (0.02) | 14.04 (0.02) | ||
| H magnitude | 14.18 (0.04) | 14.18 (0.04) | ||
| K magnitude | 14.40 (0.08) | 14.40 (0.08) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 13.40 (0.0007) | 13.39 (0.003) | ||
| BP magnitude | 13.16 (0.009) | |||
| RP magnitude | 13.67 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.049 | |||
* 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.