All names: BPS CS 22898-0076, 2MASS J21133897-2035130, TIC 24265014, GALEX J211339.0-203512, Gaia DR3 6832212598979053696, EC 21108-2047, GALEXJ21136-2035, Gaia DR2 6832212598978346880
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 13 39.01 | 21 13 38.99 (0.04) | ||
| Declination | -20 35 12.49 | -20 35 12.90 (0.03) | ||
| 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] | 0.73 (0.07) | 0.79 (0.06) | |
| Distance | [pc] | 1361.66 (139) | 1263.90 (91) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 13.33 (0.1) | 13.132 (0.05) | |
| Proper motion (declination) | [mas/yr] | 1.553 (0.07) | 1.406 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.37 (0.003) | |||
| V magnitude | 14.59 (0.002) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.01 (0.05) | 15.01 (0.05) | ||
| H magnitude | 15.25 (0.1) | 15.25 (0.1) | ||
| K magnitude | 15.20 (0.2) | 15.20 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.54 (0.0007) | 14.53 (0.003) | ||
| BP magnitude | 14.36 (0.007) | |||
| RP magnitude | 14.75 (0.003) | |||
| Pan g magnitude | 14.37 (0.002) | |||
| Pan r magnitude | 14.76 (0.003) | |||
| Pan i magnitude | 15.09 (0.002) | |||
| Pan z magnitude | 15.34 (0.002) | |||
| Pan y magnitude | 15.50 (0.006) | |||
| E(B-V) | 0.028 | |||
* 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.