SDSS J080811.04+251049.6

All names: SDSS J080811.05+251049.7, GALEX J080810.9+251047, Gaia DR3 681106256081268864, SDSS J080811.04+251049.6, Gaia EDR3 681106256081268864, WD 0805+253, Gaia DR2 681106256081268864

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
Right ascension 08 08 11.03 (1) 08 08 11.04 08 08 11.03 (1) 08 08 11.05 (1) 08 08 11.05 08 08 10.56 08 08 11.05
Declination 25 10 49.51 (1) 25 10 49.63 25 10 49.51 (0.8) 25 10 49.71 (1) 25 10 49.64 25 10 44.04 25 10 49.65
Spectral type DC: DC: DC DC: DC: DZ:
Effective temperature [K] 12719.0 11980.0 10848.0 (423) 10895.0 (466)
log(g) [cgs] 9.27 9.17 8.52 (0.4) 9.05 (0.6)
Mass [M☉] 1.293 1.254
log(Luminosity) [L☉]
Cooling age [Gyr] 1.5880 1.6630
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 5.16 (2) 4.77 (2) 5.16 (2)
Distance [pc] 193.92 (59) 209.56 (75) 193.92 (59)
Composition
Proper motion (right ascension) [mas/yr] -10.57444785 (2) -10.90652554 (3) -10.574 (2) -14.7
Proper motion (declination) [mas/yr] -12.46042488 (1) -12.96284821 (2) -12.46 (1) -4.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.69 (0.05) 20.59 (0.06) 20.58 (0.05) 20.57 20.56 (0.05)
g magnitude 20.49 (0.02) 20.46 (0.03) 20.47 (0.03) 20.46 20.46 (0.03)
r magnitude 20.57 (0.03) 20.61 (0.04) 20.62 (0.04) 20.61 20.62 (0.04)
i magnitude 20.67 (0.05) 20.67 (0.06) 20.69 (0.06) 20.68 20.69 (0.06)
z magnitude 21.13 (0.3) 20.76 (0.2) 20.75 (0.2) 20.74 20.75 (0.2)
G magnitude 20.53 (0.2) 20.60 20.53 (0.009)
BP magnitude 20.65 (0.2) 20.22
RP magnitude 20.22 (0.2) 20.32
Pan g magnitude 20.46 (0.02)
Pan r magnitude 20.61 (0.01)
Pan i magnitude 20.75 (0.02)
Pan z magnitude 20.65 (0.3)
Pan y magnitude
E(B-V) 0.009

* 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.