All names: SDSS J083353.71+385218.8, GALEX J083353.7+385218, SDSS J083353.72+385218.9, LAMOST J083353.69+385218.6, SDSS J083353.70+385218.8, WD 0830+390.1, Gaia DR3 911093409660826624, Gaia DR2 911093409660826624, Gaia EDR3 911093409660826624, SDSS J083353.69+385218.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 33 53.67 (0.08) | 08 33 53.71 | 08 33 53.67 (0.1) | 08 33 53.67 | 08 33 53.72 (0.08) | 08 33 53.72 | 08 33 53.28 | 08 33 53.72 | |||||
| Declination | 38 52 18.53 (0.05) | 38 52 18.82 | 38 52 18.54 (0.07) | 38 52 18.53 | 38 52 18.90 (0.05) | 38 52 18.85 | 38 52 12.36 | 38 52 18.85 | |||||
| Spectral type | DAB | DA | DA+DB/DC | DAB | DAB | DA:B: | DA | ||||||
| Effective temperature | [K] | 34977.0 (613) | 19599.0 (603) | 34332.0 (281) | 33871.0 (296) | ||||||||
| log(g) | [cgs] | 7.81 (0.1) | 7.45 (0.04) | 7.99 (0.06) | 7.94 (0.07) | ||||||||
| Mass | [M☉] | 0.57 (0.05) | 0.377 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | ||||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 3.15 (0.1) | 2.96 (0.1) | 3.15 | 3.15 (0.1) | ||||||||
| Distance | [pc] | 317.37 (1e+01) | 337.80 (15) | 317.37 | 317.37 (1e+01) | ||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -35.15645327 (0.1) | -35.22647631 (0.2) | -35.156 (0.1) | -34.0 | ||||||||
| Proper motion (declination) | [mas/yr] | -22.93698926 (0.08) | -22.99197205 (0.1) | -22.937 (0.08) | -27.0 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.47 (0.009) | 17.47 (0.009) | 17.45 (0.03) | 17.44 | 17.47 (0.03) | ||||||||
| g magnitude | 17.43 (0.005) | 17.43 (0.005) | 17.42 (0.02) | 17.41 | 17.42 (0.02) | ||||||||
| r magnitude | 17.75 (0.006) | 17.75 (0.006) | 17.77 (0.02) | 17.76 | 17.78 (0.02) | ||||||||
| i magnitude | 18.00 (0.008) | 18.00 (0.008) | 17.99 (0.02) | 17.98 | 17.99 (0.02) | ||||||||
| z magnitude | 18.26 (0.02) | 18.26 (0.02) | 18.26 (0.03) | 18.25 | 18.27 (0.03) | ||||||||
| G magnitude | 17.59 (0.007) | 17.62 | 17.59 | 17.59 (0.003) | |||||||||
| BP magnitude | 17.55 (0.007) | 17.53 | |||||||||||
| RP magnitude | 17.70 (0.01) | 17.68 | |||||||||||
| Pan g magnitude | 17.48 (0.004) | ||||||||||||
| Pan r magnitude | 17.75 (0.006) | ||||||||||||
| Pan i magnitude | 18.01 (0.003) | ||||||||||||
| Pan z magnitude | 18.25 (0.005) | ||||||||||||
| Pan y magnitude | 18.38 (0.02) | ||||||||||||
| E(B-V) | 0.023 | ||||||||||||
* 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.