All names: PG0050+201, SDSS J005341.50+202119.6, LAMOST J005341.49+202119.8, Gaia DR2 2789705885818660096, 2MASS J00534149+2021202, Gaia DR3 2789705885818660096, GALEX J005341.5+202120, TIC 436542014, Gaia EDR3 2789705885818660096, PG 0050+201
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 00 53 41.52 (0.05) | 00 53 41.47 | 00 53 41.51 (0.05) | ||
| Declination | 20 21 19.69 (0.04) | 20 21 20.07 | 20 21 19.75 (0.04) | ||
| Spectral type | sdB | sdB/sdO | |||
| Effective temperature | [K] | 34156.0 (177) | |||
| log(g) | [cgs] | 5.93 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.36 (0.06) | 0.34 (0.08) | 0.36 (0.06) | |
| Distance | [pc] | 2789.40 (460) | 2970.89 (738) | 2789.40 (460) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 9.343 (0.07) | 9.633 (0.2) | 9.343 (0.07) | |
| Proper motion (declination) | [mas/yr] | -3.305 (0.05) | -3.458 (0.1) | -3.305 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.18 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.64 (0.1) | 16.64 (0.1) | |||
| H magnitude | 16.90 | ||||
| K magnitude | 17.02 | ||||
| u magnitude | 15.56 (0.005) | 15.56 (0.005) | |||
| g magnitude | 15.83 (0.003) | 15.83 (0.003) | |||
| r magnitude | 16.29 (0.004) | 16.29 (0.004) | |||
| i magnitude | 16.65 (0.005) | 16.65 (0.005) | |||
| z magnitude | 16.95 (0.01) | 16.95 (0.01) | |||
| G magnitude | 16.06 (0.003) | 16.10 (0.003) | 16.06 (0.003) | ||
| BP magnitude | 15.92 (0.004) | 15.86 (0.01) | |||
| RP magnitude | 16.36 (0.007) | 16.35 (0.007) | |||
| Pan g magnitude | 15.89 (0.003) | ||||
| Pan r magnitude | 16.32 (0.004) | ||||
| Pan i magnitude | 16.68 (0.004) | ||||
| Pan z magnitude | 16.94 (0.005) | ||||
| Pan y magnitude | 17.11 (0.008) | ||||
| E(B-V) | 0.052 | ||||
* 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.