All names: LAMOST J063416.59+384855.6, Gaia EDR3 945007674022721280, GD 260, WDJ063416.66+384856.75, GALEX J063416.6+384856, 2MASS J06341665+3848566, WDJ063416.66+384856.76, J0634+3848, UCAC4 645-038792, Gaia DR2 945007674022721280, Gaia DR3 945007674022721280
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Jewett et al. 2024 | Vincent et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 06 34 16.58 (0.04) | 06 34 16.58 | 06 34 16.58 | 06 34 16.66 (0.04) | 06 34 16.58 | ||||||||
Declination | 38 48 55.04 (0.04) | 38 48 55.09 | 38 48 55.04 | 38 48 56.75 (0.04) | 38 48 55.09 | ||||||||
Spectral type | DA | DA | DA | DA | |||||||||
Effective temperature | [K] | 12210.0 (106) | 12210.0 (106) | 12210.0 | 12483.0 | 12088.0 (114) | |||||||
log(g) | [cgs] | 8.50 | 8.50 | 8.47 | 8.49 (0.009) | ||||||||
Mass | [M☉] | 0.926 (0.006) | 0.926 (0.008) | 0.926 | 0.889 | 0.917 (0.008) | |||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 0.8100 (0.02) | 0.7726 | 0.7138 | |||||||||
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] | 21.88 (0.04) | 21.88 (0.1) | 21.88 | 21.88 (0.04) | 21.88 (0.1) | |||||||
Distance | [pc] | 45.70 (0.09) | 45.71 (0.2) | 45.70 | 45.70 (0.09) | 45.71 (0.2) | |||||||
Composition | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -58.33587817 (0.04) | -58.52912266 (0.1) | -58.336 (0.04) | -58.52912266 | ||||||||
Proper motion (declination) | [mas/yr] | -107.0406822 (0.04) | -107.1302925 (0.1) | -107.041 (0.04) | -107.1302925 | ||||||||
Variability | NOV | ||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 15.85 (0.05) | ||||||||||||
V magnitude | 15.69 (0.08) | ||||||||||||
R magnitude | 15.93 (0.2) | ||||||||||||
I magnitude | |||||||||||||
J magnitude | 15.85 (0.08) | ||||||||||||
H magnitude | 16.11 (0.2) | ||||||||||||
K magnitude | |||||||||||||
u magnitude | |||||||||||||
g magnitude | 15.70 (0.04) | ||||||||||||
r magnitude | 15.91 (0.09) | ||||||||||||
i magnitude | 16.37 (0.01) | ||||||||||||
z magnitude | |||||||||||||
G magnitude | 15.74 (0.003) | 15.75 | 15.74 | 15.74 (0.003) | 15.75 | ||||||||
BP magnitude | 15.74 (0.003) | 15.72 | 15.72 | ||||||||||
RP magnitude | 15.75 (0.004) | 15.75 | 15.75 | ||||||||||
Pan g magnitude | 15.68 (0.004) | ||||||||||||
Pan r magnitude | 15.85 (0.003) | ||||||||||||
Pan i magnitude | 16.08 (0.004) | ||||||||||||
Pan z magnitude | 16.28 (0.007) | ||||||||||||
Pan y magnitude | 16.42 (0.006) | ||||||||||||
E(B-V) | 0.001 |
* 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.