All names: LAMOST J125050.26+161003.1, Gaia EDR3 3934486949931442176, Gaia DR2 3934486949931442176, 2MASS J12505025+1610036, SDSS J125050.27+161003.1, Gaia DR3 3934486949931442176, TIC 92124675, WD 1248+164, PG1248+164, BPS BS 16942-0024, PG 1248+164, LAMOST J125050.35+161004.4, GALEX J125050.3+161003
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 50 50.28 (0.03) | 12 50 50.23 | 12 50 50.28 (0.05) | 12 50 50.27 (0.03) | 12 50 49.56 | |||
| Declination | 16 10 03.00 (0.02) | 16 10 03.39 | 16 10 03.00 (0.03) | 16 10 03.17 (0.02) | 16 09 59.40 | |||
| Spectral type | sdB+WD | sdB | sdB/WD | |||||
| Effective temperature | [K] | 26600.0 (1000) | ||||||
| log(g) | [cgs] | 5.68 (0.1) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.18 (0.04) | 1.20 (0.06) | 1.20 (0.06) | 1.18 (0.04) | |||
| Distance | [pc] | 848.98 (28) | 833.26 (40) | 833.28 (40) | 848.97 (28) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 9.231877427 (0.05) | 9.265 (0.1) | 9.265421488 (0.1) | 9.232 (0.05) | |||
| Proper motion (declination) | [mas/yr] | -10.40777711 (0.05) | -10.556 (0.07) | -10.55552375 (0.07) | -10.408 (0.05) | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | 14.40 | |||||||
| V magnitude | 14.46 | |||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.04 (0.04) | 15.04 (0.04) | ||||||
| H magnitude | 15.01 (0.08) | 15.01 (0.08) | ||||||
| K magnitude | 15.10 (0.1) | 15.10 (0.1) | ||||||
| u magnitude | 14.07 (0.004) | 14.07 (0.004) | ||||||
| g magnitude | 14.13 (0.004) | 14.13 (0.004) | ||||||
| r magnitude | 14.63 (0.004) | 14.63 (0.004) | ||||||
| i magnitude | 14.96 (0.005) | 14.96 (0.005) | ||||||
| z magnitude | 15.26 (0.006) | 15.26 (0.006) | ||||||
| G magnitude | 14.40 (0.001) | 14.41 (0.0005) | 14.41 | 14.40 (0.003) | ||||
| BP magnitude | 14.27 (0.001) | 14.22 (0.006) | 14.22 | |||||
| RP magnitude | 14.65 (0.001) | 14.65 (0.002) | 14.65 | |||||
| Pan g magnitude | 14.22 (0.003) | 14.22 (0.003) | ||||||
| Pan r magnitude | 14.63 (0.001) | 14.63 (0.001) | ||||||
| Pan i magnitude | 14.98 (0.003) | 14.98 (0.003) | ||||||
| Pan z magnitude | 15.24 (0.003) | 15.24 (0.003) | ||||||
| Pan y magnitude | 15.40 (0.003) | 15.40 (0.003) | ||||||
| E(B-V) | 0.025 | |||||||
* 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.