All names: Gaia DR2 1384984978521883392, Gaia DR3 1384984978521883392, SDSSJ160810.17+425845.0, SDSS J160810.17+425845.1, Gaia EDR3 1384984978521883392, GALEX J160810.2+425844, SDSS J160810.17+425845.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 08 10.17 (0.08) | 16 08 10.17 | 16 08 10.17 | 16 08 10.17 (0.09) | 16 08 10.17 (0.08) | 16 08 10.18 | |||
| Declination | 42 58 45.05 (0.08) | 42 58 45.15 | 42 58 45.00 | 42 58 45.06 (0.1) | 42 58 45.13 (0.08) | 42 58 45.06 | |||
| Spectral type | sdB | sdB | SDB | ||||||
| Effective temperature | [K] | 32328.0 (892) | |||||||
| log(g) | [cgs] | 5.57 (0.2) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.18 (0.09) | 0.18 (0.1) | 0.18 (0.1) | 0.18 (0.09) | ||||
| Distance | [pc] | 5535.39 (2605) | 5458.52 (3233) | 5457.57 (3233) | 5534.03 (2603) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -4.554928877 (0.1) | -4.486 (0.2) | -4.486234006 (0.2) | -4.555 (0.1) | 2.0 | |||
| Proper motion (declination) | [mas/yr] | -4.545814258 (0.1) | -4.128 (0.2) | -4.127670897 (0.2) | -4.546 (0.1) | -4.5 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 17.52 (0.01) | 17.52 (0.01) | 17.52 (0.01) | 17.52 (0.02) | |||||
| g magnitude | 17.74 (0.006) | 17.74 (0.006) | 17.74 (0.006) | 17.76 (0.02) | |||||
| r magnitude | 18.24 (0.008) | 18.24 (0.008) | 18.24 (0.008) | 18.25 (0.01) | |||||
| i magnitude | 18.59 (0.01) | 18.59 (0.01) | 18.59 (0.01) | 18.60 (0.02) | |||||
| z magnitude | 18.82 (0.04) | 18.82 (0.04) | 18.82 (0.04) | 18.81 (0.04) | |||||
| G magnitude | 17.99 (0.01) | 18.02 (0.002) | 18.02 | 17.99 (0.003) | |||||
| BP magnitude | 17.85 (0.01) | 17.81 (0.01) | 17.81 | ||||||
| RP magnitude | 18.29 (0.03) | 18.27 (0.02) | 18.27 | ||||||
| Pan g magnitude | 17.83 (0.01) | 17.83 (0.01) | |||||||
| Pan r magnitude | 18.25 (0.006) | 18.25 (0.006) | |||||||
| Pan i magnitude | 18.60 (0.004) | 18.60 (0.004) | |||||||
| Pan z magnitude | 18.87 (0.01) | 18.86 (0.01) | |||||||
| Pan y magnitude | 19.03 (0.01) | 19.03 (0.01) | |||||||
| E(B-V) | 0.019 | ||||||||
* 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.