All names: SDSS J002207.65-101423.6, GALEX J002207.6-101423, J0022-1014, Gaia DR3 2425129334949091840, EQ J0022-1014, Gaia DR2 2425129334949091840, Gaia EDR3 2425129334949091840, WD 0019-105, SDSS J002207.65-101423.4, SDSS J002207.65-101423.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Gianninas et al. 2014 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 22 07.65 (0.5) | 00 22 07.66 | 00 22 07.65 (1) | 00 22 07.66 (0.5) | 00 22 07.65 | 00 22 06.65 | 00 22 07.65 | 00 22 07.65 | |||||
| Declination | -10 14 23.69 (0.4) | -10 14 23.53 | -10 14 23.69 (0.8) | -10 14 23.56 (0.4) | -10 14 23.56 | -10 14 15.72 | -10 14 23.49 | -10 14 23.50 | |||||
| Spectral type | DA | DA | DA | sd | DA | DA | |||||||
| Effective temperature | [K] | 20730.0 (340) | 19444.0 (758) | 19657.0 (774) | 19672.0 (729) | ||||||||
| log(g) | [cgs] | 7.28 (0.05) | 6.76 (0.2) | 6.83 (0.2) | 6.82 (0.2) | ||||||||
| Mass | [M☉] | 0.375 | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.0420 (0.02) | |||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(C/H) | |||||||||||||
| log(N/H) | |||||||||||||
| log(O/H) | |||||||||||||
| log(Na/H) | |||||||||||||
| log(Mg/H) | |||||||||||||
| log(Al/H) | |||||||||||||
| log(Si/H) | |||||||||||||
| log(P/H) | |||||||||||||
| log(S/H) | |||||||||||||
| log(Sc/H) | |||||||||||||
| log(Ti/H) | |||||||||||||
| log(Cr/H) | |||||||||||||
| log(Mn/H) | |||||||||||||
| log(Fe/H) | |||||||||||||
| log(Ni/H) | |||||||||||||
| Parallax | [mas] | 0.35 (0.7) | 0.35 (0.7) | ||||||||||
| Distance | [pc] | 2844.41 (5532) | 1151.00 (113) | 2844.14 (5531) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.096740633 (0.7) | -3.097 (0.7) | -9.5 | -13.0 | ||||||||
| Proper motion (declination) | [mas/yr] | -8.630484071 (0.6) | -8.63 (0.6) | -11.7 | -13.0 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | ||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.86 (0.04) | 19.89 (0.04) | 19.91 (0.05) | 19.88 | 19.91 (0.05) | 19.88 (0.05) | |||||||
| g magnitude | 19.72 (0.02) | 19.76 (0.02) | 19.77 (0.02) | 19.77 | 19.78 (0.02) | 19.77 (0.02) | |||||||
| r magnitude | 20.07 (0.03) | 20.05 (0.03) | 20.07 (0.03) | 20.07 | 20.07 (0.03) | 20.07 (0.03) | |||||||
| i magnitude | 20.23 (0.04) | 20.26 (0.04) | 20.27 (0.04) | 20.26 | 20.26 (0.04) | 20.26 (0.04) | |||||||
| z magnitude | 20.31 (0.2) | 20.56 (0.2) | 20.57 (0.2) | 20.55 | 20.56 (0.2) | 20.55 (0.2) | |||||||
| G magnitude | 19.92 (0.04) | 19.97 | 19.92 (0.006) | ||||||||||
| BP magnitude | 19.89 (0.04) | 19.84 | |||||||||||
| RP magnitude | 19.99 (0.1) | 19.98 | |||||||||||
| Pan g magnitude | 19.78 (0.01) | ||||||||||||
| Pan r magnitude | 20.07 (0.02) | ||||||||||||
| Pan i magnitude | 20.33 (0.02) | ||||||||||||
| Pan z magnitude | 20.56 (0.04) | ||||||||||||
| Pan y magnitude | 20.05 (0.2) | ||||||||||||
| E(B-V) | 0.026 | ||||||||||||
* 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.