All names: Gaia DR3 131978710009614336, LAMOST J022323.94+300839.5, 2MASS J02232397+3008407, SDSS J022323.94+300839.9, USNO-A2.0 1200-01016092, Gaia EDR3 131978710009614336, SDSS J022323.95+300840.0, WDJ022323.96+300840.45, Gaia DR2 131978710009614336, GALEX J022323.9+300840, KUV 02205+2955, TIC 285278475
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 02 23 23.94 (0.06) | 02 23 23.94 | 02 23 23.94 | 02 23 23.96 (0.06) | 02 23 23.94 | ||||||
Declination | 30 08 39.52 (0.06) | 30 08 39.55 | 30 08 39.52 | 30 08 40.45 (0.06) | 30 08 39.55 | ||||||
Spectral type | DA | DA | DA | ||||||||
Effective temperature | [K] | 9714.0 (41) | 9635.0 | 9636.0 | 9477.0 (121) | ||||||
log(g) | [cgs] | 7.93 (0.01) | 7.92 | 7.85 | 7.88 (0.02) | ||||||
Mass | [M☉] | 0.56 (0.008) | 0.551 | 0.495 | 0.529 (0.02) | ||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 0.5960 | 0.5670 | ||||||||
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] | 11.62 (0.08) | 11.61 (0.09) | 11.62 | 11.62 (0.08) | 11.61 (0.09) | |||||
Distance | [pc] | 86.03 (0.6) | 86.11 (0.6) | 86.03 | 86.03 (0.6) | 86.11 (0.6) | |||||
Composition | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | -16.46096519 (0.09) | -16.58731041 (0.2) | -16.461 (0.09) | -16.58731041 | ||||||
Proper motion (declination) | [mas/yr] | -58.32935633 (0.08) | -58.30098328 (0.1) | -58.329 (0.07) | -58.30098328 | ||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | 16.80 | ||||||||||
V magnitude | |||||||||||
R magnitude | |||||||||||
I magnitude | |||||||||||
J magnitude | 16.64 (0.1) | ||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | 17.29 (0.01) | 17.29 (0.01) | |||||||||
g magnitude | 16.86 (0.005) | 16.86 (0.005) | |||||||||
r magnitude | 16.92 (0.005) | 16.92 (0.005) | |||||||||
i magnitude | 17.00 (0.006) | 17.00 (0.006) | |||||||||
z magnitude | 17.20 (0.01) | 17.20 (0.01) | |||||||||
G magnitude | 16.84 (0.01) | 16.87 | 16.84 | 16.84 (0.003) | 16.87 | ||||||
BP magnitude | 16.90 (0.01) | 16.92 | 16.92 | ||||||||
RP magnitude | 16.73 (0.009) | 16.74 | 16.74 | ||||||||
Pan g magnitude | 16.86 (0.001) | ||||||||||
Pan r magnitude | 16.94 (0.006) | ||||||||||
Pan i magnitude | 17.05 (0.003) | ||||||||||
Pan z magnitude | 17.21 (0.005) | ||||||||||
Pan y magnitude | 17.31 (0.009) | ||||||||||
E(B-V) | 0.006 |
* 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.