All names: SDSS J163715.19+142324.94, SDSS J163715.19+142324.9, Gaia DR3 4462159622534199936, SDSSJ163715.18+142324.9, SDSS J163715.18+142325.0, SDSS J163715.18+142324.9, Gaia DR2 4462159618236240128, Gaia EDR3 4462159622534199936
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 37 15.18 (0.1) | 16 37 15.19 | 16 37 15.18 | 16 37 15.18 (0.2) | 16 37 15.18 (0.1) | ||||
| Declination | 14 23 24.94 (0.1) | 14 23 25.02 | 14 23 24.90 | 14 23 24.94 (0.1) | 14 23 24.99 (0.1) | ||||
| Spectral type | sdB | DAB | DAB | ||||||
| Effective temperature | [K] | 26049.0 (1500) | 32727.0 (255) | ||||||
| log(g) | [cgs] | 5.05 (0.2) | 5.80 (0.05) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.29 (0.2) | 0.15 (0.3) | 0.15 (0.3) | 0.29 (0.2) | ||||
| Distance | [pc] | 3456.39 (2110) | 6613.76 (11911) | 6614.91 (11914) | 3456.62 (2111) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -2.822930976 (0.1) | -3.254 (0.4) | -3.253587879 (0.4) | -2.823 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -3.350612439 (0.1) | -3.164 (0.3) | -3.16379684 (0.3) | -3.351 (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 | 18.40 (0.02) | 18.40 (0.02) | 18.40 (0.02) | 18.40 (0.02) | |||||
| g magnitude | 18.37 (0.007) | 18.37 (0.007) | 18.37 (0.02) | 18.37 (0.007) | |||||
| r magnitude | 18.79 (0.01) | 18.79 (0.01) | 18.79 (0.01) | 18.79 (0.01) | |||||
| i magnitude | 19.06 (0.01) | 19.06 (0.01) | 19.05 (0.03) | 19.06 (0.01) | |||||
| z magnitude | 19.46 (0.07) | 19.46 (0.07) | 19.48 (0.07) | 19.27 (0.07) | |||||
| G magnitude | 18.61 (0.01) | 18.64 (0.002) | 18.64 | 18.61 (0.003) | |||||
| BP magnitude | 18.53 (0.01) | 18.43 (0.02) | 18.43 | ||||||
| RP magnitude | 18.77 (0.03) | 18.84 (0.04) | 18.84 | ||||||
| Pan g magnitude | 18.47 (0.008) | 18.47 (0.008) | |||||||
| Pan r magnitude | 18.81 (0.003) | 18.81 (0.003) | |||||||
| Pan i magnitude | 19.11 (0.007) | 19.11 (0.007) | |||||||
| Pan z magnitude | 19.37 (0.02) | 19.37 (0.02) | |||||||
| Pan y magnitude | 19.46 (0.04) | 19.46 (0.04) | |||||||
| E(B-V) | 0.062 | ||||||||
* 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.