All names: GD 392B, WD 2058+342.1, WD 2058+342B, Gaia DR2 1866605195002240640, ** FAR 1B, LSPM J2100+3426E, WDS J21004+3426B, Gaia EDR3 1866605195013300992, Gaia DR3 1866605195002240640, 2058+342B, USNO-B1.0 1244-00451160
| Parameter | Unit | Gaia EDR3 | Leggett et al. 2018 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 00 25.23 (0.1) | 21 00 25.15 (0.1) | |||
| Declination | 34 26 11.59 (0.2) | 34 26 09.44 (0.4) | |||
| Spectral type | DC15.5 | DC | |||
| Effective temperature | [K] | 3249.0 (75) | |||
| log(g) | [cgs] | 7.07 (0.08) | |||
| Mass | [M☉] | 0.177 (0.03) | |||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | 3.4920 (0.4) | |||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.38 (0.2) | 19.56 (0.3) | 19.53 (0.3) | |
| Distance | [pc] | 2634.26 (1489) | 51.12 (0.8) | 51.21 (0.7) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 1.144522379 (0.2) | 127.906 (0.2) | ||
| Proper motion (declination) | [mas/yr] | -2.953374296 (0.2) | 108.673 (0.5) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 20.82 (0.09) | ||||
| V magnitude | 19.50 (0.03) | ||||
| R magnitude | 18.10 | ||||
| I magnitude | 18.06 (0.02) | ||||
| J magnitude | 17.73 (0.07) | ||||
| H magnitude | 18.16 (0.09) | ||||
| K magnitude | 18.49 (0.2) | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 18.82 (0.03) | 19.10 (0.004) | |||
| BP magnitude | 19.11 (0.03) | ||||
| RP magnitude | 17.54 (0.02) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.222 | ||||
* 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.