All names: Gaia DR2 3833089021249194624, WISE J095458.87-002456.5, 2QZ J095458.8-002458, SDSS J095458.85-002457.0, ULAS J095458.85-002457.0, WISEA J095458.85-002456.7, WIRED J095458.85-002457.0, LAMOST J095458.85-002457.0, SDSS J095458.86-002457.1, GALEX J095458.8-002456, Gaia DR3 3833089021249194624, Gaia EDR3 3833089021249194624
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Guo et al. 2015 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 54 58.83 (0.4) | 09 54 58.86 | 09 54 58.84 (0.6) | 09 54 58.86 (0.4) | 09 54 58.86 | ||||
| Declination | -00 24 57.09 (0.3) | -00 24 57.09 | -00 24 57.10 (0.4) | -00 24 57.11 (0.3) | -00 24 57.09 | ||||
| Spectral type | DA+M | DAH | DAH:M | ||||||
| Effective temperature | [K] | 8608.0 (75) | |||||||
| log(g) | [cgs] | 8.48 (0.1) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.73 (0.4) | 0.35 (0.9) | 0.73 (0.4) | |||||
| Distance | [pc] | 1365.46 (762) | 2878.85 (7512) | 1365.37 (762) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -25.9544627 (0.4) | -26.17890922 (0.9) | -25.954 (0.4) | |||||
| Proper motion (declination) | [mas/yr] | 1.15240643 (0.3) | 1.219223616 (0.9) | 1.152 (0.3) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 19.84 | ||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 17.65 (0.03) | ||||||||
| H magnitude | 17.10 (0.03) | ||||||||
| K magnitude | 16.78 (0.05) | ||||||||
| u magnitude | 19.75 (0.04) | 19.75 (0.04) | 19.76 (0.04) | ||||||
| g magnitude | 19.75 (0.02) | 19.75 (0.01) | 19.77 (0.02) | ||||||
| r magnitude | 19.90 (0.02) | 19.90 (0.02) | 19.92 (0.02) | ||||||
| i magnitude | 19.51 (0.02) | 19.51 (0.02) | 19.51 (0.02) | ||||||
| z magnitude | 18.90 (0.05) | 18.90 (0.05) | 18.92 (0.05) | ||||||
| G magnitude | 19.60 (0.07) | 19.64 | 19.60 (0.005) | ||||||
| BP magnitude | 20.00 (0.07) | 19.84 | |||||||
| RP magnitude | 19.05 (0.05) | 19.05 | |||||||
| Pan g magnitude | 19.76 (0.01) | ||||||||
| Pan r magnitude | 19.93 (0.01) | ||||||||
| Pan i magnitude | 19.51 (0.02) | ||||||||
| Pan z magnitude | 19.09 (0.02) | ||||||||
| Pan y magnitude | 18.80 (0.04) | ||||||||
| E(B-V) | 0.029 | ||||||||
* 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.