All names: SDSS J000504.91+243409.5, GALEX J000504.8+243410, WIRED J000504.91+243409.6, [SGR2010] J0005+2434, Gaia DR3 2849979184813309056, Gaia DR2 2849979184813309056, 2MASS J00050491+2434098, USNO-A2.0 1125-00033767, SDSS J000504.91+243409.7, TIC 238393480, SDSS J000504.92+243409.7, WD 0002+242, SDSS J000504.91+243409.6, Gaia EDR3 2849979184813309056
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 05 04.91 (0.1) | 00 05 04.91 | 00 05 04.91 (0.1) | 00 05 04.92 (0.1) | 00 05 04.27 | 00 05 04.92 | |||
| Declination | 24 34 09.57 (0.09) | 24 34 09.60 | 24 34 09.57 (0.1) | 24 34 09.75 (0.09) | 24 34 05.88 | 24 34 09.68 | |||
| Spectral type | DA+dM4.5 | DA3.8+M4 | DA+M | ||||||
| Effective temperature | [K] | 7597.0 (27) | |||||||
| log(g) | [cgs] | 5.00 (0.01) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.30 (0.1) | 3.20 (0.2) | 3.30 (0.1) | |||||
| Distance | [pc] | 302.75 (11) | 312.12 (17) | 302.76 (11) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -6.455583929 (0.1) | -6.54305155 (0.3) | -6.456 (0.1) | |||||
| Proper motion (declination) | [mas/yr] | -11.53815161 (0.2) | -11.75964282 (0.2) | -11.538 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | yes | WDMS | |||||||
| B magnitude | 18.50 (0.3) | ||||||||
| V magnitude | |||||||||
| R magnitude | 18.10 (0.3) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.37 (0.05) | ||||||||
| H magnitude | 14.73 (0.07) | ||||||||
| K magnitude | 14.41 (0.08) | ||||||||
| u magnitude | 19.54 (0.04) | 19.52 (0.03) | 19.52 | 19.51 (0.04) | |||||
| g magnitude | 18.88 (0.009) | 18.89 (0.009) | 18.89 | 18.90 (0.01) | |||||
| r magnitude | 18.48 (0.009) | 18.49 (0.008) | 18.49 | 18.49 (0.01) | |||||
| i magnitude | 17.49 (0.006) | 17.51 (0.006) | 17.51 | 17.50 (0.01) | |||||
| z magnitude | 16.81 (0.01) | 16.77 (0.01) | 16.77 | 16.77 (0.02) | |||||
| G magnitude | 18.01 (0.02) | 18.03 | 18.01 (0.003) | ||||||
| BP magnitude | 18.81 (0.02) | 18.83 | |||||||
| RP magnitude | 17.02 (0.007) | 17.03 | |||||||
| Pan g magnitude | 18.84 (0.007) | ||||||||
| Pan r magnitude | 18.50 (0.009) | ||||||||
| Pan i magnitude | 17.52 (0.006) | ||||||||
| Pan z magnitude | 16.91 (0.007) | ||||||||
| Pan y magnitude | 16.60 (0.007) | ||||||||
| E(B-V) | 0.046 | ||||||||
* 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.