All names: WD 0052+004, WIRED J005519.90+004039.0, 2MASS J00551992+0040393, GALEX J005519.8+004039, SDSS J005519.90+004039.0, TIC 344627979, SDSS J005519.90+004039.1, Gaia DR2 2537302610726681728, SDSS J005519.91+004039.0, Gaia EDR3 2537302615022402432, Gaia DR3 2537302615022402432
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 55 19.91 (1) | 00 55 19.90 | 00 55 19.91 (1) | 00 55 19.91 (1) | 00 55 19.90 | 00 55 19.90 | 00 55 19.91 | ||
| Declination | 00 40 39.17 (0.7) | 00 40 39.09 | 00 40 39.17 (0.8) | 00 40 39.17 (0.7) | 00 40 39.17 | 00 40 38.64 | 00 40 39.03 | ||
| Spectral type | DA+M | DA+M | DA | DA+M | |||||
| Effective temperature | [K] | 6300.0 (2) | 6300.0 (1) | ||||||
| log(g) | [cgs] | 7.41 (0.4) | 7.13 (0.3) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | ||||||||
| Distance | [pc] | ||||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 3.0 (4) | 3.6 | ||||||
| Proper motion (declination) | [mas/yr] | -1.0 (4) | -2.5 | ||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.93 (0.01) | ||||||||
| H magnitude | 16.41 (0.03) | ||||||||
| K magnitude | 16.15 (0.03) | ||||||||
| u magnitude | 20.49 (0.06) | 20.42 (0.05) | 20.42 (0.05) | 20.42 | 20.42 (0.05) | ||||
| g magnitude | 19.94 (0.02) | 19.99 (0.02) | 20.03 (0.03) | 20.03 | 20.02 (0.03) | ||||
| r magnitude | 19.48 (0.02) | 19.49 (0.02) | 19.54 (0.02) | 19.54 | 19.53 (0.02) | ||||
| i magnitude | 18.68 (0.01) | 18.69 (0.01) | 18.72 (0.02) | 18.71 | 18.70 (0.02) | ||||
| z magnitude | 18.16 (0.02) | 18.20 (0.03) | 18.23 (0.03) | 18.22 | 18.20 (0.03) | ||||
| G magnitude | 19.45 (0.03) | 19.46 | 19.45 (0.01) | ||||||
| BP magnitude | 19.86 (0.03) | 19.77 | |||||||
| RP magnitude | 18.37 (0.03) | 18.30 | |||||||
| Pan g magnitude | 19.96 (0.01) | ||||||||
| Pan r magnitude | 19.53 (0.01) | ||||||||
| Pan i magnitude | 18.75 (0.007) | ||||||||
| Pan z magnitude | 18.31 (0.008) | ||||||||
| Pan y magnitude | 18.07 (0.02) | ||||||||
| E(B-V) | |||||||||
* 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.