All names: BPS CS 22170-0035, SDSS J005040.10-092546.3, GALEXJ00506-0925, Gaia EDR3 2474030943524240256, TIC 3964964, 2MASS J00504009-0925462, Gaia DR3 2474030943524240256, UCAC4 403-001028, Gaia DR2 2474030943524240256
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 00 50 40.11 (0.04) | 00 50 40.20 | 00 50 40.10 (0.04) | ||
| Declination | -09 25 46.57 (0.03) | -09 25 46.44 | -09 25 46.38 (0.03) | ||
| Spectral type | sdB | sdB | |||
| 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] | 1.23 (0.05) | 1.10 (0.07) | 1.23 (0.05) | |
| Distance | [pc] | 811.36 (31) | 911.00 (55) | 811.36 (31) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 8.392 (0.06) | 8.32 (0.1) | 8.392 (0.06) | |
| Proper motion (declination) | [mas/yr] | -11.563 (0.06) | -11.486 (0.08) | -11.563 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.28 (0.03) | ||||
| V magnitude | 14.48 (0.07) | ||||
| R magnitude | 14.81 (0.08) | ||||
| I magnitude | |||||
| J magnitude | 15.22 (0.04) | 15.22 (0.04) | |||
| H magnitude | 15.31 (0.07) | 15.31 (0.07) | |||
| K magnitude | 15.40 (0.2) | 15.40 (0.2) | |||
| u magnitude | 13.86 (0.003) | ||||
| g magnitude | 14.25 (0.003) | 14.27 (0.03) | |||
| r magnitude | 14.71 (0.003) | 14.72 (0.07) | |||
| i magnitude | 15.08 (0.004) | 15.10 (0.1) | |||
| z magnitude | 15.40 (0.006) | ||||
| G magnitude | 14.46 (0.003) | 14.47 (0.0005) | 14.46 (0.003) | ||
| BP magnitude | 14.29 (0.003) | 14.22 (0.008) | |||
| RP magnitude | 14.78 (0.004) | 14.78 (0.002) | |||
| Pan g magnitude | 14.29 (0.003) | ||||
| Pan r magnitude | 14.73 (0.003) | ||||
| Pan i magnitude | 15.11 (0.003) | ||||
| Pan z magnitude | 15.41 (0.003) | ||||
| Pan y magnitude | 15.60 (0.006) | ||||
| E(B-V) | 0.032 | ||||
* 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.