SDSS J080852.79+264256.7

All names: Gaia DR2 683508001793016064, Gaia EDR3 683508001793016064, Gaia DR3 683508001793016064, SDSS J080852.79+264256.7, SDSS J080852.80+264256.7, WD 0805+268

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H 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 08 52.79 (0.4) 08 08 52.80 08 08 52.79 (0.5) 08 08 52.80 (0.4) 08 08 52.80 08 08 52.39 08 08 52.80
Declination 26 42 56.72 (0.3) 26 42 56.71 26 42 56.72 (0.4) 26 42 56.67 (0.3) 26 42 56.73 26 42 53.28 26 42 56.72
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 11145.0 15366.0 (450) 15465.0 (465)
log(g) [cgs] 7.79 7.97 (0.1) 8.02 (0.1)
Mass [M☉] 0.49 0.623 (0.06)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.3519
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 2.61 (0.5) 2.48 (0.6) 2.61 (0.5)
Distance [pc] 383.42 (73) 402.78 (101) 383.42 (73)
Composition H
Proper motion (right ascension) [mas/yr] -9.755033231 (0.5) -10.07194378 (1) -9.755 (0.5) -10.2
Proper motion (declination) [mas/yr] 3.428428666 (0.4) 3.366158622 (0.8) 3.428 (0.4) -11.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.78 (0.03) 19.79 (0.03) 19.82 (0.04) 19.81 19.80 (0.04)
g magnitude 19.46 (0.01) 19.46 (0.01) 19.48 (0.02) 19.47 19.46 (0.02)
r magnitude 19.75 (0.02) 19.75 (0.02) 19.75 (0.02) 19.75 19.74 (0.02)
i magnitude 20.07 (0.03) 20.07 (0.03) 20.08 (0.03) 20.08 20.06 (0.03)
z magnitude 20.18 (0.1) 20.18 (0.1) 20.21 (0.1) 20.21 20.18 (0.1)
G magnitude 19.61 (0.06) 19.67 19.61 (0.005)
BP magnitude 19.64 (0.06) 19.65
RP magnitude 19.53 (0.1) 19.73
Pan g magnitude 19.47 (0.01)
Pan r magnitude 19.71 (0.006)
Pan i magnitude 19.99 (0.01)
Pan z magnitude 20.31 (0.05)
Pan y magnitude 19.90 (0.02)
E(B-V) 0.023

* 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.