SDSS J080348.37+474258.8

All names: SDSS J080348.36+474258.3, Gaia DR3 932925003305018496, Gaia EDR3 932925003305018496, SDSS J080348.36+474258.33, Gaia DR2 932925003305018496, SDSS J080348.37+474258.8, USNO-B1.0 1377-00232246, USNO-A2.0 1350-07287519, GALEX J080348.3+474259

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 08 03 48.36 (0.2) 08 03 48.38 08 03 48.36 (0.3) 08 03 48.37 (0.2)
Declination 47 42 58.19 (0.2) 47 42 58.83 47 42 58.21 (0.3) 47 42 58.88 (0.2)
Spectral type DC DC DC DC DC
Effective temperature [K] 9826.0 9843.0 10568.0 (350)
log(g) [cgs] 8.12 8.06 7.15 (0.04)
Mass [M] 0.672 0.617
log(Luminosity) [L]
Cooling age [Gyr] 0.7486 0.7092
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.10 (0.3) 4.12 (0.4) 4.10 (0.3)
Distance [pc] 243.82 (16) 242.53 (25) 243.82 (16)
Composition
Proper motion (right ascension) [mas/yr] -10.4114273 (0.3) -10.22638895 (0.6) -10.411 (0.3)
Proper motion (declination) [mas/yr] -43.61341306 (0.2) -43.91311415 (0.4) -43.613 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.00
V magnitude
R magnitude 19.30
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.44 (0.03) 19.44 (0.03) 19.44 (0.03)
g magnitude 19.30 (0.01) 19.30 (0.01) 19.30 (0.01)
r magnitude 19.44 (0.02) 19.44 (0.02) 19.44 (0.02)
i magnitude 19.59 (0.02) 19.59 (0.02) 19.59 (0.02)
z magnitude 19.76 (0.09) 19.76 (0.09) 19.76 (0.09)
G magnitude 19.33 (0.06) 19.37 19.33 (0.004)
BP magnitude 19.43 (0.06) 19.43
RP magnitude 19.34 (0.09) 19.21
Pan g magnitude 19.32 (0.009)
Pan r magnitude 19.41 (0.01)
Pan i magnitude 19.58 (0.008)
Pan z magnitude 19.78 (0.04)
Pan y magnitude 19.75 (0.003)
E(B-V) 0.017

* Constant surface field

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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.