All names: Gaia DR2 325134624944612992, USNO-B1.0 1225-00037345, SDSS J021732.91+323442.3, SDSS J021732.91+323442.2, WDJ021732.80+323442.60, J0217+3234, Gaia DR3 325134624944612992, Gaia EDR3 325134624944612992, LSPM J0217+3234, GALEX J021732.8+323442, WDJ021732.8+323442.60
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 02 17 33.00 (0.1) | 02 17 33.00 | 02 17 33.00 | 02 17 32.80 (0.1) | 02 17 33.00 | ||||||||
Declination | 32 34 41.95 (0.1) | 32 34 41.97 | 32 34 41.95 | 32 34 42.60 (0.1) | 32 34 41.97 | ||||||||
Spectral type | DA | DA | DA | DA | DA | ||||||||
Effective temperature | [K] | 7388.0 (40) | 7496.0 (40) | 7388.0 (40) | 7378.0 | 7109.0 | 7462.0 (142) | ||||||
log(g) | [cgs] | 8.40 (0.01) | 8.44 (0.01) | 8.40 (0.01) | 8.40 | 8.31 | 8.44 (0.03) | ||||||
Mass | [M☉] | 0.853 (0.01) | 0.875 (0.01) | 0.853 (0.01) | 0.852 | 0.774 | 0.873 (0.03) | ||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 3.1900 | 2.9770 | 2.8080 | |||||||||
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] | 17.13 (0.1) | 17.15 (0.2) | 17.15 (0.2) | 17.13 | 17.13 (0.1) | 17.15 (0.2) | ||||||
Distance | [pc] | 58.37 (0.5) | 58.31 (0.6) | 58.32 (0.6) | 58.37 | 58.37 (0.5) | 58.32 (0.6) | ||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 163.0491781 (0.2) | 163.1181905 (0.3) | 163.049 (0.2) | 163.1181905 | ||||||||
Proper motion (declination) | [mas/yr] | -40.3046895 (0.2) | -40.39889854 (0.2) | -40.305 (0.2) | -40.39889854 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 17.50 | ||||||||||||
V magnitude | |||||||||||||
R magnitude | 17.70 | ||||||||||||
I magnitude | |||||||||||||
J magnitude | 17.14 (0.02) | ||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | 18.30 (0.02) | 18.31 (0.02) | 18.31 (0.02) | ||||||||||
g magnitude | 17.84 (0.006) | 17.84 (0.006) | |||||||||||
r magnitude | 17.73 (0.007) | 17.73 (0.007) | |||||||||||
i magnitude | 17.70 (0.009) | 17.70 (0.009) | |||||||||||
z magnitude | 17.77 (0.03) | 17.77 (0.03) | |||||||||||
G magnitude | 17.67 (0.01) | 17.70 | 17.67 | 17.67 (0.003) | 17.70 | ||||||||
BP magnitude | 17.85 (0.01) | 17.85 | 17.85 | ||||||||||
RP magnitude | 17.41 (0.01) | 17.40 | 17.40 | ||||||||||
Pan g magnitude | 17.82 (0.004) | 17.82 (0.004) | |||||||||||
Pan r magnitude | 17.71 (0.003) | 17.71 (0.003) | |||||||||||
Pan i magnitude | 17.71 (0.005) | 17.71 (0.005) | |||||||||||
Pan z magnitude | 17.78 (0.005) | 17.78 (0.005) | |||||||||||
Pan y magnitude | 17.78 (0.03) | 17.78 (0.02) | |||||||||||
E(B-V) | 0.002 |
* 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.