WD 0947+008

All names: Gaia EDR3 3834198016164668416, SDSS J095003.19+003953.2, WD 0947+008, SDSS J095003.17+003953.1, GALEX J095003.1+003952, Gaia DR2 3834198016164668416, Gaia DR3 3834198016164668416, SDSS J095003.19+003953.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 09 50 03.19 (0.4) 09 50 03.18 09 50 03.19 (0.7) 09 50 03.18 (0.4) 09 50 03.18 09 50 03.24 09 50 03.19 09 50 03.19
Declination 00 39 52.92 (0.5) 00 39 53.15 00 39 52.92 (0.9) 00 39 53.16 (0.5) 00 39 53.13 00 39 51.48 00 39 53.17 00 39 53.17
Spectral type DA3 DA DA3.2 DA DA
Effective temperature [K] 15594.0 (400) 15385.0 (362) 15750.0 (389)
log(g) [cgs] 7.74 (0.09) 7.82 (0.1) 7.77 (0.09)
Mass [M] 0.524 (0.05)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.54 (0.4) 1.66 (0.7) 1.54 (0.4)
Distance [pc] 648.43 (166) 602.64 (236) 648.42 (166)
Composition
Proper motion (right ascension) [mas/yr] 7.009826408 (0.5) 3.980391927 (1) 7.01 (0.5) 10.8 11.0
Proper motion (declination) [mas/yr] -15.49893845 (0.5) -14.25706094 (2) -15.499 (0.5) -22.3 -21.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.79 (0.03) 19.78 (0.03) 19.78 (0.03) 19.77 19.78 (0.03) 19.77 (0.03)
g magnitude 19.51 (0.01) 19.52 (0.01) 19.54 (0.02) 19.55 19.53 (0.02) 19.55 (0.02)
r magnitude 19.79 (0.02) 19.79 (0.02) 19.83 (0.02) 19.84 19.82 (0.02) 19.84 (0.02)
i magnitude 20.06 (0.03) 20.05 (0.03) 20.07 (0.03) 20.07 20.06 (0.03) 20.07 (0.03)
z magnitude 20.52 (0.2) 20.52 (0.1) 20.54 (0.1) 20.56 20.54 (0.1) 20.56 (0.1)
G magnitude 19.68 (0.04) 19.73 19.68 (0.005)
BP magnitude 19.60 (0.04) 19.69
RP magnitude 19.87 (0.1) 19.73
Pan g magnitude 19.58 (0.01)
Pan r magnitude 19.87 (0.03)
Pan i magnitude 20.11 (0.02)
Pan z magnitude 20.31 (0.03)
Pan y magnitude
E(B-V) 0.029

* 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.