All names: GALEX J212608.1+024533, Gaia DR3 2691867011851791744, LAMOSTJ212608.14+024533.9, LAMOST J212608.13+024533.8, Gaia DR2 2691867011851791744, Gaia EDR3 2691867011851791744, PSO J321.5339+02.7594
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 26 08.14 (0.05) | 21 26 08.14 | 21 26 08.14 (0.05) | ||
| Declination | 02 45 33.82 (0.05) | 02 45 33.88 | 02 45 33.93 (0.05) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 29550.0 (370) | |||
| log(g) | [cgs] | 5.90 (0.07) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.52 (0.06) | 0.60 (0.08) | 0.52 (0.06) | |
| Distance | [pc] | 1917.91 (227) | 1658.65 (217) | 1917.91 (227) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -6.256 (0.06) | -6.398 (0.1) | -6.256 (0.06) | |
| Proper motion (declination) | [mas/yr] | -6.712 (0.05) | -6.894 (0.1) | -6.712 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.54 (0.1) | 16.54 (0.1) | |||
| H magnitude | 16.27 (0.3) | 16.27 (0.3) | |||
| K magnitude | 15.80 | ||||
| u magnitude | 15.68 (0.005) | ||||
| g magnitude | 15.89 (0.004) | 15.96 (0.004) | |||
| r magnitude | 16.35 (0.005) | 16.37 (0.003) | |||
| i magnitude | 16.67 (0.005) | 16.70 (0.003) | |||
| z magnitude | 16.97 (0.01) | 16.98 (0.005) | |||
| G magnitude | 16.13 (0.003) | 16.16 (0.002) | 16.13 (0.003) | ||
| BP magnitude | 16.00 (0.005) | 15.98 (0.02) | |||
| RP magnitude | 16.38 (0.006) | 16.37 (0.004) | |||
| Pan g magnitude | 15.96 (0.004) | ||||
| Pan r magnitude | 16.37 (0.003) | ||||
| Pan i magnitude | 16.70 (0.003) | ||||
| Pan z magnitude | 16.98 (0.005) | ||||
| Pan y magnitude | 17.14 (0.01) | ||||
| E(B-V) | 0.039 | ||||
* 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.