All names: SDSS J022226.79-004358.4, WD 0219-009, SDSS J022226.80-004358.4, SDSS J022226.78-004358.3, SDSS J022226.79-004358.3, Gaia DR2 2500662004205919744, Gaia EDR3 2500662008501515264, Gaia DR3 2500662008501515264, GALEX J022226.7-004357
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | 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 | 02 22 26.82 (0.3) | 02 22 26.79 | 02 22 26.81 (0.5) | 02 22 26.78 (0.3) | 02 22 26.79 | 02 22 26.18 | 02 22 26.78 | 02 22 26.78 | ||||||
Declination | -00 43 58.48 (0.3) | -00 43 58.43 | -00 43 58.47 (0.4) | -00 43 58.38 (0.3) | -00 43 58.35 | -00 43 51.96 | -00 43 58.32 | -00 43 58.33 | ||||||
Spectral type | DA | DA | DA | DA | DA2.2 | DA | DA | |||||||
Effective temperature | [K] | 16812.0 | 23190.0 (770) | 22252.0 (491) | 21356.0 (570) | 22410.0 (518) | ||||||||
log(g) | [cgs] | 6.91 | 7.83 (0.1) | 7.86 (0.08) | 7.78 (0.09) | 7.96 (0.08) | ||||||||
Mass | [M☉] | 0.239 | 0.54 (0.05) | |||||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 0.0275 | ||||||||||||
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] | 1.54 (0.3) | 0.96 (0.5) | 1.54 (0.3) | ||||||||||
Distance | [pc] | 650.42 (142) | 1046.35 (554) | 650.41 (142) | ||||||||||
Composition | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 28.88089631 (0.4) | 28.11052988 (1) | 28.881 (0.4) | 21.4 | 20.0 | ||||||||
Proper motion (declination) | [mas/yr] | -6.218440694 (0.3) | -6.583573947 (0.9) | -6.218 (0.3) | -12.8 | -13.0 | ||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | ||||||||||||||
V magnitude | ||||||||||||||
R magnitude | ||||||||||||||
I magnitude | ||||||||||||||
J magnitude | ||||||||||||||
H magnitude | ||||||||||||||
K magnitude | ||||||||||||||
u magnitude | 19.29 (0.02) | 19.29 (0.02) | 19.30 (0.04) | 19.32 | 19.34 (0.04) | 19.32 (0.04) | ||||||||
g magnitude | 19.28 (0.01) | 19.27 (0.01) | 19.26 (0.02) | 19.27 | 19.29 (0.02) | 19.27 (0.02) | ||||||||
r magnitude | 19.67 (0.02) | 19.67 (0.02) | 19.66 (0.02) | 19.66 | 19.66 (0.02) | 19.66 (0.02) | ||||||||
i magnitude | 19.93 (0.02) | 19.93 (0.02) | 19.92 (0.03) | 19.93 | 19.93 (0.03) | 19.93 (0.03) | ||||||||
z magnitude | 20.16 (0.1) | 20.16 (0.1) | 20.36 (0.1) | 20.35 | 20.38 (0.1) | 20.35 (0.1) | ||||||||
G magnitude | 19.51 (0.05) | 19.56 | 19.51 (0.005) | |||||||||||
BP magnitude | 19.46 (0.05) | 19.28 | ||||||||||||
RP magnitude | 20.01 (0.09) | 19.64 | ||||||||||||
Pan g magnitude | 19.34 (0.009) | |||||||||||||
Pan r magnitude | 19.70 (0.009) | |||||||||||||
Pan i magnitude | 19.99 (0.02) | |||||||||||||
Pan z magnitude | 20.20 (0.05) | |||||||||||||
Pan y magnitude | 20.38 (0.03) | |||||||||||||
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.