All names: SDSS J080257.99+143752.8, Gaia DR2 654353076593317504, GALEX J080258.0+143753, Gaia DR3 654353076593317504, Gaia EDR3 654353076593317504, SDSS J080258.00+143752.8, SDSS J080257.99+143753.0, SDSS J080257.98+143753.0, LAMOST J080258.02+143753.6, SDSS J080258.00+143752.82
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 08 02 58.00 (0.2) | 08 02 57.99 | 08 02 58.00 (0.2) | 08 02 58.00 | 08 02 57.98 (0.2) | |||||||
Declination | 14 37 52.65 (0.1) | 14 37 53.03 | 14 37 52.67 (0.1) | 14 37 52.65 | 14 37 53.21 (0.1) | |||||||
Spectral type | DA | DA | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 17528.0 | 19877.0 (207) | 17327.0 (1574) | ||||||||
log(g) | [cgs] | 7.74 | 7.99 (0.04) | 7.73 (0.1) | ||||||||
Mass | [M☉] | 0.484 | 0.617 (0.02) | 0.479 (0.08) | ||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.0716 | ||||||||||
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] | 2.65 (0.2) | 2.60 (0.2) | 2.65 | 2.65 (0.2) | |||||||
Distance | [pc] | 377.89 (26) | 383.92 (36) | 377.89 | 377.89 (26) | |||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 17.28906462 (0.2) | 16.960649 (0.4) | 17.289 (0.2) | ||||||||
Proper motion (declination) | [mas/yr] | -35.00160994 (0.1) | -34.88653007 (0.2) | -35.002 (0.1) | ||||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 18.50 (0.02) | 18.48 (0.02) | 18.50 (0.01) | |||||||||
g magnitude | 18.38 (0.007) | 18.41 (0.02) | 18.38 (0.007) | |||||||||
r magnitude | 18.74 (0.01) | 18.72 (0.02) | 18.74 (0.01) | |||||||||
i magnitude | 19.03 (0.01) | 19.03 (0.02) | 19.03 (0.01) | |||||||||
z magnitude | 19.37 (0.05) | 19.35 (0.06) | 19.37 (0.05) | |||||||||
G magnitude | 18.58 (0.01) | 18.62 | 18.58 | 18.58 (0.003) | ||||||||
BP magnitude | 18.53 (0.01) | 18.47 | ||||||||||
RP magnitude | 18.74 (0.04) | 18.76 | ||||||||||
Pan g magnitude | 18.42 (0.01) | |||||||||||
Pan r magnitude | 18.75 (0.008) | |||||||||||
Pan i magnitude | 19.07 (0.01) | |||||||||||
Pan z magnitude | 19.31 (0.02) | |||||||||||
Pan y magnitude | 19.42 (0.03) | |||||||||||
E(B-V) | 0.018 |
* 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.