SDSS J094741.00+345309.4

All names: SDSS J094740.99+345309.0, SDSS J094740.99+345309.4, Gaia EDR3 794603206419878272, SDSS J094741.00+345309.4, GALEX J094741.0+345309, Gaia DR3 794603206419878272, Gaia DR2 794603206419878272

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 47 40.99 (0.2) 09 47 41.00 09 47 40.99 (0.3) 09 47 40.99 09 47 41.00 (0.2) 09 47 41.00
Declination 34 53 08.99 (0.1) 34 53 09.41 34 53 09.01 (0.2) 34 53 08.99 34 53 09.47 (0.1) 34 53 09.40
Spectral type DC DC DC DC DC DB
Effective temperature [K] 10807.0 11121.0 10616.0 (534) 11876.0 (249)
log(g) [cgs] 8.04 8.00 8.04 (0.1) 8.70 (0.3)
Mass [M] 0.626 0.583 0.604 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.5186 0.4705
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.30 (0.3) 3.89 (0.4) 4.30 4.30 (0.3)
Distance [pc] 232.30 (14) 257.23 (28) 232.30 232.30 (14)
Composition
Proper motion (right ascension) [mas/yr] -3.09807742 (0.2) -3.35061777 (0.5) -3.098 (0.2)
Proper motion (declination) [mas/yr] -29.68924007 (0.2) -29.51266802 (0.4) -29.689 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.02 (0.02) 19.02 (0.02) 19.01 (0.02)
g magnitude 18.94 (0.009) 18.94 (0.009) 18.96 (0.02)
r magnitude 19.15 (0.01) 19.15 (0.01) 19.14 (0.02)
i magnitude 19.32 (0.02) 19.32 (0.01) 19.35 (0.02)
z magnitude 19.53 (0.05) 19.53 (0.05) 19.50 (0.05)
G magnitude 19.03 (0.02) 19.07 19.03 19.03 (0.004)
BP magnitude 19.05 (0.02) 19.03
RP magnitude 19.02 (0.03) 18.96
Pan g magnitude 19.01 (0.01)
Pan r magnitude 19.12 (0.008)
Pan i magnitude 19.35 (0.006)
Pan z magnitude 19.54 (0.04)
Pan y magnitude 19.56 (0.04)
E(B-V) 0.012

* 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.