All names: SDSS J013119.49+443556.6, Gaia DR2 396999224629508224, Gaia EDR3 396999224629508224, Gaia DR3 396999224629508224, LAMOST J013119.50+443556.3, GALEX J013119.4+443556
Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad |
---|---|---|---|---|---|
Right ascension | 01 31 19.52 (0.07) | 01 31 19.52 | 01 31 19.48 (0.07) | ||
Declination | 44 35 56.03 (0.05) | 44 35 56.03 | 44 35 56.80 (0.06) | ||
Spectral type | DB | DBZ | |||
Effective temperature | [K] | 13202.0 (256) | |||
log(g) | [cgs] | 8.04 (0.03) | |||
Mass | [M☉] | 0.613 (0.02) | |||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 8.30 (0.08) | 8.30 | 8.30 (0.08) | |
Distance | [pc] | 120.46 (1) | 120.46 | 120.46 (1) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 23.81 (0.08) | 23.81 (0.08) | ||
Proper motion (declination) | [mas/yr] | -48.229 (0.07) | -48.229 (0.07) | ||
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | |||||
V magnitude | |||||
R magnitude | |||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | 16.86 (0.007) | ||||
g magnitude | 16.90 (0.004) | ||||
r magnitude | 17.16 (0.005) | ||||
i magnitude | 17.39 (0.006) | ||||
z magnitude | 17.59 (0.02) | ||||
G magnitude | 17.01 (0.003) | 17.01 | 17.01 (0.003) | ||
BP magnitude | 16.99 (0.007) | ||||
RP magnitude | 17.08 (0.008) | ||||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.016 |
* 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.