All names: WD 0045+000, SDSS J004815.70+002034.1, SDSS J004815.70+002034.3, SDSS J004815.69+002034.3, Gaia DR3 2537054602135189120, SDSS J004815.70+002034.2, Gaia EDR3 2537054602135189120, GALEX J004815.6+002033, SDSS J004815.69+002034.2, WIRED J004815.70+002034.1, 2SLAQ J004815.69+002034.3, Gaia DR2 2537054602135189120
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 48 15.69 (0.3) | 00 48 15.70 | 00 48 15.69 (0.3) | 00 48 15.70 (0.3) | 00 48 15.70 | 00 48 15.82 | 00 48 15.70 | |||
| Declination | 00 20 34.21 (0.2) | 00 20 34.28 | 00 20 34.21 (0.2) | 00 20 34.33 (0.2) | 00 20 34.34 | 00 20 33.36 | 00 20 34.18 | |||
| Spectral type | DA+M | DA+M | DA | DA+M | ||||||
| Effective temperature | [K] | 9844.0 (90) | 9720.0 (88) | |||||||
| log(g) | [cgs] | 8.21 (0.1) | 8.11 (0.1) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.41 (0.3) | 2.43 (0.4) | 2.41 (0.3) | ||||||
| Distance | [pc] | 415.14 (51) | 412.17 (68) | 415.14 (51) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.1721872 (0.4) | -11.77335859 (1) | -13.172 (0.4) | -15.2 | |||||
| Proper motion (declination) | [mas/yr] | -7.68671508 (0.4) | -7.72888021 (0.5) | -7.687 (0.4) | -15.5 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 17.41 (0.03) | |||||||||
| H magnitude | 17.04 (0.03) | |||||||||
| K magnitude | 16.59 (0.05) | |||||||||
| u magnitude | 19.75 (0.03) | 19.75 (0.04) | 19.73 (0.04) | 19.72 | 19.73 (0.04) | |||||
| g magnitude | 19.44 (0.01) | 19.44 (0.01) | 19.43 (0.02) | 19.43 | 19.44 (0.02) | |||||
| r magnitude | 19.51 (0.01) | 19.52 (0.01) | 19.53 (0.02) | 19.53 | 19.52 (0.02) | |||||
| i magnitude | 19.16 (0.01) | 19.17 (0.01) | 19.20 (0.03) | 19.20 | 19.19 (0.02) | |||||
| z magnitude | 18.68 (0.03) | 18.70 (0.03) | 18.68 (0.05) | 18.67 | 18.66 (0.05) | |||||
| G magnitude | 19.27 (0.03) | 19.28 | 19.27 (0.004) | |||||||
| BP magnitude | 19.52 (0.03) | 19.49 | ||||||||
| RP magnitude | 18.77 (0.03) | 18.73 | ||||||||
| Pan g magnitude | 19.46 (0.005) | |||||||||
| Pan r magnitude | 19.56 (0.01) | |||||||||
| Pan i magnitude | 19.16 (0.007) | |||||||||
| Pan z magnitude | 18.80 (0.01) | |||||||||
| Pan y magnitude | 18.55 (0.02) | |||||||||
| E(B-V) | 0.025 | |||||||||
* 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.