All names: SDSSJ163306.58+003216.2, Gaia EDR3 4383642977499883648, SDSS J163306.59+003216.3, SDSS J163306.58+003216.1, Gaia DR2 4383642977499883648, GALEX J163306.6+003216, Gaia DR3 4383642977499883648, SDSS J163306.58+003216.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 33 06.58 (0.07) | 16 33 06.58 | 16 33 06.58 | 16 33 06.58 (0.09) | 16 33 06.59 (0.07) | 16 33 06.58 | ||||
| Declination | 00 32 16.25 (0.05) | 00 32 16.21 | 00 32 16.20 | 00 32 16.25 (0.06) | 00 32 16.22 (0.05) | 00 32 16.17 | ||||
| Spectral type | sdB | sdB | sdB | SDB | ||||||
| Effective temperature | [K] | 31688.0 (1013) | 30638.0 (428) | |||||||
| log(g) | [cgs] | 5.62 (0.1) | 5.39 (0.09) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.21 (0.08) | 0.32 (0.1) | 0.32 (0.1) | 0.21 (0.08) | |||||
| Distance | [pc] | 4764.36 (1851) | 3089.28 (1056) | 3089.00 (1056) | 4764.17 (1850) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.636099491 (0.1) | -6.82 (0.2) | -6.820105168 (0.2) | -6.636 (0.1) | 1.7 | ||||
| Proper motion (declination) | [mas/yr] | 1.811026711 (0.07) | 1.768 (0.1) | 1.767901929 (0.1) | 1.811 (0.07) | 1.4 | ||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 16.76 (0.006) | 16.76 (0.006) | 16.73 | 16.76 (0.006) | 16.76 (0.01) | |||||
| g magnitude | 16.89 (0.004) | 16.89 (0.004) | 16.90 | 16.89 (0.004) | 16.90 (0.009) | |||||
| r magnitude | 17.28 (0.005) | 17.28 (0.005) | 17.27 | 17.28 (0.005) | 17.27 (0.01) | |||||
| i magnitude | 17.59 (0.007) | 17.59 (0.007) | 17.57 | 17.59 (0.007) | 17.58 (0.01) | |||||
| z magnitude | 17.87 (0.02) | 17.87 (0.02) | 17.83 | 17.87 (0.02) | 17.85 (0.02) | |||||
| G magnitude | 17.11 (0.005) | 17.14 (0.002) | 17.14 | 17.11 (0.003) | ||||||
| BP magnitude | 17.02 (0.005) | 16.98 (0.01) | 16.98 | |||||||
| RP magnitude | 17.30 (0.008) | 17.30 (0.009) | 17.30 | |||||||
| Pan g magnitude | 16.96 (0.003) | 16.96 (0.003) | ||||||||
| Pan r magnitude | 17.32 (0.003) | 17.32 (0.003) | ||||||||
| Pan i magnitude | 17.64 (0.004) | 17.64 (0.004) | ||||||||
| Pan z magnitude | 17.86 (0.006) | 17.86 (0.006) | ||||||||
| Pan y magnitude | 18.02 (0.009) | 18.02 (0.009) | ||||||||
| E(B-V) | 0.087 | |||||||||
* 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.