All names: SDSS J150346.77+422124.7, CBS 221, Gaia DR2 1393235511913580800, PG1501+426, PG 1501+426, GALEX J150346.8+422125, TIC 283818445, LAMOST J150346.81+422125.1, FBS 1501+425, Gaia EDR3 1393235511913580800, FBS B 345, Gaia DR3 1393235511913580800, 2MASS J15034676+4221247
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 15 03 46.78 (0.02) | 15 03 46.78 | 15 03 46.79 (0.02) | ||
| Declination | 42 21 24.45 (0.02) | 42 21 25.71 | 42 21 24.77 (0.02) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 29170.0 (380) | |||
| log(g) | [cgs] | 5.52 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.93 (0.03) | 0.86 (0.04) | 0.93 (0.03) | |
| Distance | [pc] | 1073.19 (33) | 1156.20 (54) | 1073.19 (33) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.877 (0.03) | -2.845 (0.06) | -2.877 (0.03) | |
| Proper motion (declination) | [mas/yr] | -20.386 (0.03) | -20.592 (0.08) | -20.386 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.30 | ||||
| V magnitude | 14.80 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.28 (0.06) | 15.28 (0.06) | |||
| H magnitude | 15.20 (0.1) | 15.20 (0.1) | |||
| K magnitude | 15.45 (0.2) | 15.45 (0.2) | |||
| u magnitude | 14.22 (0.004) | 14.23 (0.01) | |||
| g magnitude | 14.35 (0.003) | 14.35 (0.03) | |||
| r magnitude | 14.84 (0.004) | 14.85 (0.02) | |||
| i magnitude | 15.18 (0.004) | 15.20 (0.01) | |||
| z magnitude | 15.52 (0.006) | 15.53 (0.02) | |||
| G magnitude | 14.60 (0.003) | 14.62 (0.0007) | 14.60 (0.003) | ||
| BP magnitude | 14.47 (0.003) | 14.40 (0.007) | |||
| RP magnitude | 14.87 (0.004) | 14.87 (0.002) | |||
| Pan g magnitude | 14.45 (0.003) | ||||
| Pan r magnitude | 14.85 (0.004) | ||||
| Pan i magnitude | 15.20 (0.002) | ||||
| Pan z magnitude | 15.47 (0.006) | ||||
| Pan y magnitude | 15.65 (0.006) | ||||
| E(B-V) | 0.022 | ||||
* 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.