WD 0800+438

All names: SDSS J080332.75+433955.0, SDSS J080332.75+433955.1, WD 0800+438, GALEX J080332.7+433954, Gaia DR2 922916556978368384, Gaia EDR3 922916556978368384, SDSS J080332.74+433955.0, Gaia DR3 922916556978368384

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 03 32.74 (0.3) 08 03 32.75 08 03 32.74 (0.4) 08 03 32.75 (0.3) 08 03 32.75 08 03 31.85 08 03 32.75
Declination 43 39 54.62 (0.2) 43 39 55.08 43 39 54.63 (0.3) 43 39 55.10 (0.2) 43 39 55.12 43 39 50.04 43 39 55.06
Spectral type DC DC DC DC DC DC DC:
Effective temperature [K] 8941.0 8685.0 10176.0 (107) 10186.0 (107)
log(g) [cgs] 8.57 8.50 8.20 (0.5) 9.16 (0.6)
Mass [M] 0.965 0.903
log(Luminosity) [L]
Cooling age [Gyr] 2.3310 2.2350
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 5.44 (0.3) 6.08 (0.5) 5.44 (0.3)
Distance [pc] 183.72 (11) 164.56 (13) 183.72 (11)
Composition
Proper motion (right ascension) [mas/yr] -4.950484973 (0.4) -3.902581557 (0.7) -4.95 (0.4) 0.2
Proper motion (declination) [mas/yr] -30.26858347 (0.3) -30.42374205 (0.5) -30.269 (0.3) -33.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.88 (0.04) 19.88 (0.04) 19.88 (0.04) 19.87 19.87 (0.04)
g magnitude 19.62 (0.01) 19.61 (0.01) 19.64 (0.02) 19.65 19.64 (0.02)
r magnitude 19.62 (0.02) 19.62 (0.02) 19.63 (0.03) 19.63 19.62 (0.03)
i magnitude 19.68 (0.02) 19.68 (0.02) 19.71 (0.04) 19.70 19.70 (0.04)
z magnitude 19.98 (0.1) 19.98 (0.1) 19.99 (0.1) 19.97 19.97 (0.1)
G magnitude 19.59 (0.04) 19.63 19.59 (0.004)
BP magnitude 19.69 (0.04) 19.63
RP magnitude 19.31 (0.07) 19.43
Pan g magnitude 19.62 (0.03)
Pan r magnitude 19.60 (0.008)
Pan i magnitude 19.73 (0.01)
Pan z magnitude 19.83 (0.03)
Pan y magnitude 19.69 (0.1)
E(B-V) 0.011

* 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.