All names: Gaia DR2 948386297158860416, GALEX J071424.1+401646, SDSS J071424.12+401645.95, Gaia DR3 948386297158860416, SDSS J071424.12+401645.9, SDSSJ071424.12+401645.9, Gaia EDR3 948386297158860416, SDSS J071424.12+401645.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 14 24.12 (0.1) | 07 14 24.12 | 07 14 24.12 | 07 14 24.12 (0.2) | 07 14 24.12 (0.1) | ||||
| Declination | 40 16 45.87 (0.1) | 40 16 45.90 | 40 16 45.90 | 40 16 45.88 (0.2) | 40 16 45.91 (0.1) | ||||
| Spectral type | sdB | sdB | sdB | ||||||
| Effective temperature | [K] | 27700.0 (700) | 29121.0 (191) | ||||||
| log(g) | [cgs] | 5.38 (0.1) | 5.52 (0.04) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.06 (0.2) | -0.11 (0.2) | -0.11 (0.2) | 0.06 (0.2) | ||||
| Distance | [pc] | 17998.38 (49115) | 17985.61 (49040) | ||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 0.341971083 (0.2) | 0.159 (0.3) | 0.159133402 (0.3) | 0.342 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -2.53003654 (0.1) | -2.437 (0.3) | -2.436963274 (0.3) | -2.53 (0.1) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 17.93 (0.01) | 17.93 (0.01) | 17.93 (0.02) | 17.93 (0.01) | |||||
| g magnitude | 17.99 (0.006) | 17.99 (0.006) | 18.01 (0.01) | 17.99 (0.006) | |||||
| r magnitude | 18.38 (0.008) | 18.38 (0.008) | 18.40 (0.01) | 18.38 (0.008) | |||||
| i magnitude | 18.64 (0.01) | 18.64 (0.01) | 18.67 (0.02) | 18.64 (0.01) | |||||
| z magnitude | 18.80 (0.04) | 18.80 (0.04) | 18.81 (0.04) | 18.82 (0.04) | |||||
| G magnitude | 18.23 (0.02) | 18.28 (0.007) | 18.28 | 18.23 (0.004) | |||||
| BP magnitude | 18.15 (0.02) | 18.05 (0.03) | 18.05 | ||||||
| RP magnitude | 18.46 (0.03) | 18.44 (0.04) | 18.44 | ||||||
| Pan g magnitude | 18.11 (0.009) | 18.11 (0.009) | |||||||
| Pan r magnitude | 18.43 (0.008) | 18.43 (0.008) | |||||||
| Pan i magnitude | 18.73 (0.006) | 18.73 (0.006) | |||||||
| Pan z magnitude | 18.99 (0.03) | 18.98 (0.03) | |||||||
| Pan y magnitude | 19.19 (0.03) | 19.19 (0.03) | |||||||
| E(B-V) | 0.053 | ||||||||
* 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.