All names: Gaia EDR3 486866669358331776, WD 0336+625, Gaia DR2 486866669358331776, GALEX J034116.9+624202, Gaia DR3 486866669358331776, Lan 174
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD HE | Gaia DR2 | Stilism | Bergeron et al. 2011 | Lepine et al. 2011 | Vincent et al. 2024 | Simbad |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 03 41 16.96 (0.06) | 03 41 16.96 (0.09) | 03 41 16.96 | 03 41 16.95 (0.06) | ||||||
Declination | 62 42 01.76 (0.06) | 62 42 01.77 (0.07) | 62 42 01.76 | 62 42 01.97 (0.06) | ||||||
Spectral type | DB | DB | DB2.0 | DB | DB2 | |||||
Effective temperature | [K] | 15033.0 | 21280.0 (880) | 22400.0 (1987) | 15848.0 (602) | |||||
log(g) | [cgs] | 7.61 | 8.12 (0.07) | 7.33 (0.2) | 7.69 (0.05) | |||||
Mass | [M☉] | 0.394 | 0.67 (0.04) | 0.33 (0.06) | 0.432 (0.03) | |||||
log(Luminosity) | [L☉] | -1.58 | ||||||||
Cooling age | [Gyr] | 0.1146 | 0.0724 | 0.0360 | ||||||
log(H/He) | <-4.05 (0.4) | <-4.59 | ||||||||
log(C/He) | ||||||||||
log(Ca/He) | ||||||||||
log(Ca/H) | ||||||||||
log(N/He) | ||||||||||
log(O/He) | ||||||||||
log(Na/He) | ||||||||||
log(Mg/He) | ||||||||||
log(Al/He) | ||||||||||
log(Si/He) | ||||||||||
log(P/He) | ||||||||||
log(S/He) | ||||||||||
log(Cl/He) | ||||||||||
log(Sc/He) | ||||||||||
log(Ti/He) | ||||||||||
log(V/He) | ||||||||||
log(Cr/He) | ||||||||||
log(Mn/He) | ||||||||||
log(Fe/He) | ||||||||||
log(Co/He) | ||||||||||
log(Ni/He) | ||||||||||
log(Cu/He) | ||||||||||
log(Zn/He) | ||||||||||
log(Ga/He) | ||||||||||
log(Ge/He) | ||||||||||
log(Sr/He) | ||||||||||
Parallax | [mas] | 4.57 (0.08) | 4.53 (0.1) | 4.57 | 4.57 (0.08) | |||||
Distance | [pc] | 218.85 (4) | 220.58 (5) | 191.00 | 321.00 | 218.85 | 218.85 (4) | |||
Composition | He | He | ||||||||
Proper motion (right ascension) | [mas/yr] | 3.203325344 (0.09) | 3.167372254 (0.1) | 3.203 (0.09) | ||||||
Proper motion (declination) | [mas/yr] | -13.0189874 (0.09) | -12.89956706 (0.2) | -13.019 (0.09) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | 17.10 | |||||||||
V magnitude | 17.15 | |||||||||
R magnitude | 17.20 | |||||||||
I magnitude | 17.60 | |||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | ||||||||||
g magnitude | ||||||||||
r magnitude | ||||||||||
i magnitude | ||||||||||
z magnitude | ||||||||||
G magnitude | 17.40 (0.01) | 17.43 | 17.40 | 17.40 (0.003) | ||||||
BP magnitude | 17.35 (0.01) | 17.30 | ||||||||
RP magnitude | 17.53 (0.01) | 17.51 | ||||||||
Pan g magnitude | 17.32 (0.005) | |||||||||
Pan r magnitude | 17.57 (0.003) | |||||||||
Pan i magnitude | 17.85 (0.005) | |||||||||
Pan z magnitude | 18.06 (0.01) | |||||||||
Pan y magnitude | 18.23 (0.02) | |||||||||
E(B-V) | 0.051 |
* 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.