All names: GALEX J082543.4+385610, SDSS J082543.50+385609.9, Gaia DR3 914248870593369856, SDSS J082543.49+385609.9, SDSS J082543.50+385609.99, Gaia DR2 914248870594155520
Parameter | Unit | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Kepler et al. 2016 | Simbad |
---|---|---|---|---|---|---|
Right ascension | 08 25 43.49 | 08 25 43.53 (5) | 08 25 43.50 (0.5) | |||
Declination | 38 56 09.98 | 38 56 09.66 (1) | 38 56 09.83 (0.4) | |||
Spectral type | DA | DA | ||||
Effective temperature | [K] | 6395.0 (52) | ||||
log(g) | [cgs] | 7.47 (0.1) | ||||
Mass | [M☉] | 0.35315 (0.04) | ||||
log(Luminosity) | [L☉] | |||||
Cooling age | [Gyr] | |||||
log(H/He) | ||||||
log(C/He) | ||||||
log(Ca/He) | ||||||
log(Ca/H) | ||||||
Parallax | [mas] | 6.29 (0.6) | ||||
Distance | [pc] | 158.89 (15) | ||||
Composition | ||||||
Proper motion (right ascension) | [mas/yr] | 23.717 (0.5) | ||||
Proper motion (declination) | [mas/yr] | -41.28 (0.4) | ||||
Variability | ||||||
Magnetic | ||||||
Bd | [MG] | |||||
Infrared excess (disk) | ||||||
Binarity | ||||||
B magnitude | ||||||
V magnitude | ||||||
R magnitude | ||||||
I magnitude | ||||||
J magnitude | ||||||
H magnitude | ||||||
K magnitude | ||||||
u magnitude | 20.08 (0.04) | 20.06 (0.04) | 20.06 (0.04) | |||
g magnitude | 19.42 (0.01) | 19.49 (0.02) | 19.49 (0.02) | |||
r magnitude | 19.20 (0.01) | 19.28 (0.02) | 19.28 (0.02) | |||
i magnitude | 19.14 (0.01) | 19.25 (0.02) | 19.25 (0.02) | |||
z magnitude | 19.10 (0.04) | 19.20 (0.04) | 19.20 (0.04) | |||
G magnitude | 20.05 | 19.76 (0.008) | ||||
BP magnitude | ||||||
RP magnitude | ||||||
Pan g magnitude | 19.45 (0.01) | |||||
Pan r magnitude | 19.19 (0.02) | |||||
Pan i magnitude | 19.20 (0.007) | |||||
Pan z magnitude | 19.28 (0.02) | |||||
Pan y magnitude | 19.16 (0.09) | |||||
E(B-V) |
* 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.