All names: SDSS J021239.48+001857.0, Gaia EDR3 2507076658122086144, Gaia DR3 2507076658122086144, [SGR2010] J0212+0018, SDSS J021239.45+001857.0, TIC 270416319, GALEX J021239.4+001856, 2MASS J02123946+0018571, WIRED J021239.45+001856.9, WD 0210+000, SDSS J021239.45+001856.9, Gaia DR2 2507076658122086144, SDSS J021239.46+001856.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 12 39.48 (0.3) | 02 12 39.46 | 02 12 39.48 (0.3) | 02 12 39.45 | 02 12 39.46 (0.3) | 02 12 39.46 | 02 12 38.88 | 02 12 39.45 | |||
| Declination | 00 18 57.08 (0.2) | 00 18 56.95 | 00 18 57.08 (0.3) | 00 18 56.92 | 00 18 56.99 (0.2) | 00 18 56.94 | 00 18 56.16 | 00 18 56.94 | |||
| Spectral type | DA+M | DA+dM | DA+M | DA3.0+dM | DA+M | ||||||
| Effective temperature | [K] | 13852.0 (2865) | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.29 (0.5) | 7.30 (0.2) | 10.00 (0.003) | |||||||
| Mass | [M☉] | 0.79 (0.3) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.68 (0.3) | 0.21 (0.4) | 0.68 (0.3) | |||||||
| Distance | [pc] | 1473.73 (624) | 4873.62 (8926) | 462.00 (24) | 1473.62 (624) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 19.40180109 (0.3) | 20.31250343 (0.7) | 19.402 (0.3) | 23.0 | ||||||
| Proper motion (declination) | [mas/yr] | 6.087035647 (0.3) | 6.564087872 (0.6) | 6.087 (0.3) | 10.1 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.71 (0.006) | ||||||||||
| H magnitude | 15.10 (0.009) | ||||||||||
| K magnitude | 14.84 (0.01) | ||||||||||
| u magnitude | 19.76 (0.04) | 19.67 | 19.76 (0.04) | 19.67 (0.05) | 19.94 | 19.69 (0.05) | |||||
| g magnitude | 19.24 (0.01) | 19.21 | 19.25 (0.01) | 19.21 (0.03) | 19.41 | 19.22 (0.03) | |||||
| r magnitude | 18.92 (0.01) | 18.88 | 18.87 (0.01) | 18.88 (0.02) | 19.05 | 18.88 (0.02) | |||||
| i magnitude | 17.91 (0.008) | 17.95 | 17.93 (0.008) | 17.95 (0.02) | 18.03 | 17.95 (0.02) | |||||
| z magnitude | 17.15 (0.01) | 17.20 | 17.20 (0.01) | 17.20 (0.02) | 17.39 | 17.19 (0.02) | |||||
| G magnitude | 18.49 (0.04) | 18.46 | 18.49 (0.007) | ||||||||
| BP magnitude | 19.30 (0.04) | 19.20 | |||||||||
| RP magnitude | 17.41 (0.01) | 17.43 | |||||||||
| Pan g magnitude | 19.21 (0.01) | ||||||||||
| Pan r magnitude | 18.91 (0.007) | ||||||||||
| Pan i magnitude | 17.91 (0.005) | ||||||||||
| Pan z magnitude | 17.28 (0.005) | ||||||||||
| Pan y magnitude | 16.96 (0.007) | ||||||||||
| 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.