All names: uvby98 610060148, GEN# +6.10060148, WDJ123456.22+473733.37, TIC 75585375, Gaia DR3 1543723709905857792, SDSS J123456.25+473733.0, WD 1232+47, UCAC2 47737332, GCRV 21675, EGGR 186, GD 148, LSPM J1234+4737, NLTT 31183, LAMOST J123456.22+473733.3, Gaia DR2 1543723709905857792, PG 1232+479, WD 1232+479, GALEX J123456.2+473732, CHSS 2315, 2MASS J12345619+4737333, LAMOST J123456.31+473731.9, USNO-B1.0 1376-00280459, Gaia EDR3 1543723709905857792
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 34 56.37 (0.01) | 12 34 56.37 (0.02) | 12 34 56.37 | 12 34 56.22 (0.01) | 12 34 56.37 | 12 34 55.97 | |||||||
Declination | 47 37 31.20 (0.01) | 47 37 31.27 (0.02) | 47 37 31.20 | 47 37 33.37 (0.01) | 47 37 31.27 | 47 37 40.80 | |||||||
Spectral type | DA | DA | DA | DA | DA3.3 | DA3 | |||||||
Effective temperature | [K] | 14783.0 | 15416.0 (157) | 15070.0 (246) | 14370.0 (235) | 15837.0 (84) | |||||||
log(g) | [cgs] | 7.95 | 7.94 (0.03) | 7.95 (0.05) | 7.82 (0.05) | 8.02 (0.005) | |||||||
Mass | [M☉] | 0.581 | 0.58 (0.02) | 0.59 (0.03) | 0.52 (0.02) | 0.625 (0.004) | |||||||
log(Luminosity) | [L☉] | -2.09 | |||||||||||
Cooling age | [Gyr] | 0.1894 | 0.2042 | ||||||||||
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] | 22.25 (0.02) | 22.23 (0.04) | 22.25 | 22.25 (0.02) | 22.23 (0.04) | |||||||
Distance | [pc] | 44.95 (0.05) | 44.99 (0.08) | 46.00 | 48.00 | 44.95 | 44.95 (0.05) | 44.99 (0.08) | |||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 94.06045585 (0.02) | 93.89152474 (0.04) | 94.06 (0.01) | 93.89152474 | ||||||||
Proper motion (declination) | [mas/yr] | -135.3416138 (0.02) | -135.3873001 (0.05) | -135.342 (0.02) | -135.3873001 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 14.58 | ||||||||||||
V magnitude | 14.50 | ||||||||||||
R magnitude | 14.90 | ||||||||||||
I magnitude | |||||||||||||
J magnitude | 14.87 (0.04) | ||||||||||||
H magnitude | 14.88 (0.08) | ||||||||||||
K magnitude | 14.96 (0.1) | ||||||||||||
u magnitude | 14.63 (0.003) | 14.63 (0.003) | |||||||||||
g magnitude | 14.41 (0.003) | 14.41 (0.003) | |||||||||||
r magnitude | 14.66 (0.003) | 14.66 (0.003) | |||||||||||
i magnitude | 14.92 (0.003) | 14.92 (0.003) | |||||||||||
z magnitude | 15.20 (0.005) | 15.20 (0.005) | |||||||||||
G magnitude | 14.52 (0.0009) | 14.53 | 14.52 | 14.52 (0.003) | 14.53 | ||||||||
BP magnitude | 14.47 (0.0009) | 14.46 | 14.46 | ||||||||||
RP magnitude | 14.62 (0.0009) | 14.62 | 14.62 | ||||||||||
Pan g magnitude | 14.40 (0.002) | ||||||||||||
Pan r magnitude | 14.67 (0.004) | ||||||||||||
Pan i magnitude | 14.94 (0.004) | ||||||||||||
Pan z magnitude | 15.18 (0.003) | ||||||||||||
Pan y magnitude | 15.35 (0.004) | ||||||||||||
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.