All names: SDSS J205301.04+041034.9, Gaia DR3 1734533812483812736, SDSS J205301.04+041035.0, GALEXJ20530+0410, GALEX J205301.0+041035, TIC 467042845, 2MASS J20530104+0410348, Gaia DR2 1734533812483812736
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 53 01.09 | 20 53 01.05 (0.03) | ||
| Declination | 04 10 35.35 | 04 10 35.02 (0.02) | ||
| Spectral type | sdB | sdB | ||
| 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] | 0.81 (0.06) | 0.77 (0.03) | |
| Distance | [pc] | 1232.74 (87) | 1297.19 (57) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.391 (0.1) | -0.486 (0.04) | |
| Proper motion (declination) | [mas/yr] | -1.949 (0.08) | -1.875 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.73 (0.05) | 14.73 (0.05) | ||
| H magnitude | 14.78 (0.08) | 14.78 (0.08) | ||
| K magnitude | 14.92 (0.1) | 14.92 (0.1) | ||
| u magnitude | 13.72 (0.003) | 13.73 (0.02) | ||
| g magnitude | 13.94 (0.003) | 13.96 (0.01) | ||
| r magnitude | 14.38 (0.003) | 14.37 (0.01) | ||
| i magnitude | 14.71 (0.003) | 14.71 (0.02) | ||
| z magnitude | 15.02 (0.005) | 15.01 (0.01) | ||
| G magnitude | 14.24 (0.0005) | 14.23 (0.003) | ||
| BP magnitude | 14.05 (0.004) | |||
| RP magnitude | 14.46 (0.002) | |||
| Pan g magnitude | 14.08 (0.002) | |||
| Pan r magnitude | 14.45 (0.002) | |||
| Pan i magnitude | 14.78 (0.002) | |||
| Pan z magnitude | 15.04 (0.004) | |||
| Pan y magnitude | 15.20 (0.004) | |||
| E(B-V) | 0.062 | |||
* 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.