All names: SDSS J210008.16+055545.5, 2MASS J21000812+0555451, Gaia DR2 1736277229904971520, Gaia EDR3 1736277229904971520, GALEX J210008.1+055546, SDSSJ210008.16+055545.5, Gaia DR3 1736277229904971520, TIC 396640651
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 00 08.17 (0.06) | 21 00 08.17 | 21 00 08.17 (0.06) | ||
| Declination | 05 55 45.55 (0.04) | 05 55 45.58 | 05 55 45.66 (0.04) | ||
| Spectral type | sd | sd | |||
| 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] | 0.49 (0.07) | 0.52 (0.1) | 0.49 (0.07) | |
| Distance | [pc] | 2033.76 (306) | 1924.93 (375) | 2033.76 (306) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.249 (0.07) | 0.132 (0.2) | 0.249 (0.07) | |
| Proper motion (declination) | [mas/yr] | -6.747 (0.06) | -6.118 (0.2) | -6.747 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.93 (0.2) | 16.93 (0.2) | |||
| H magnitude | 16.53 | ||||
| K magnitude | 16.80 | ||||
| u magnitude | 16.57 (0.007) | 16.61 (0.02) | |||
| g magnitude | 16.81 (0.004) | 16.84 (0.01) | |||
| r magnitude | 17.22 (0.005) | 17.25 (0.01) | |||
| i magnitude | 17.39 (0.006) | 17.51 (0.009) | |||
| z magnitude | 17.71 (0.02) | 17.70 (0.02) | |||
| G magnitude | 17.03 (0.003) | 17.06 (0.002) | 17.03 (0.003) | ||
| BP magnitude | 16.92 (0.008) | 16.86 (0.008) | |||
| RP magnitude | 17.19 (0.01) | 17.15 (0.02) | |||
| Pan g magnitude | 16.89 (0.002) | ||||
| Pan r magnitude | 17.24 (0.004) | ||||
| Pan i magnitude | 17.52 (0.002) | ||||
| Pan z magnitude | 17.74 (0.003) | ||||
| Pan y magnitude | 17.88 (0.02) | ||||
| E(B-V) | 0.061 | ||||
* 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.