SDSS J082236.75+072751.6

All names: SDSS J082236.75+072751.6, GALEX J082236.7+072751, Gaia DR2 3097056558724564992, Gaia DR3 3097056558724564992, Gaia EDR3 3097056558724564992, WD 0819+076

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 22 36.75 (1) 08 22 36.75 08 22 36.75 (1) 08 22 36.75 (1) 08 22 36.75 08 22 36.96 08 22 36.75
Declination 07 27 51.56 (0.9) 07 27 51.62 07 27 51.56 (1) 07 27 51.63 (0.9) 07 27 51.63 07 27 50.76 07 27 51.63
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 12130.0 16311.0 (718) 16728.0 (744)
log(g) [cgs] 7.48 7.68 (0.2) 7.68 (0.2)
Mass [M] 0.358 0.479 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.1999
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] -0.28 (1) -1.20 (2)
Distance [pc]
Composition H
Proper motion (right ascension) [mas/yr] -0.025955542 (1) -6.398637293 (4) -0.026 (1)
Proper motion (declination) [mas/yr] -4.433207494 (1) -6.181887891 (2) -4.433 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.79 (0.06) 20.76 (0.06) 20.78 (0.06) 20.77 20.80 (0.06)
g magnitude 20.45 (0.02) 20.44 (0.02) 20.45 (0.02) 20.45 20.46 (0.02)
r magnitude 20.77 (0.03) 20.76 (0.03) 20.76 (0.03) 20.76 20.77 (0.03)
i magnitude 21.00 (0.05) 21.00 (0.05) 20.97 (0.05) 20.97 20.97 (0.05)
z magnitude 21.04 (0.2) 21.04 (0.2) 21.00 (0.2) 21.01 21.00 (0.2)
G magnitude 20.60 (0.1) 20.72 20.60 (0.01)
BP magnitude 20.56 (0.1) 20.25
RP magnitude 20.47 (0.2) 20.02
Pan g magnitude 20.55 (0.002)
Pan r magnitude 20.69 (0.04)
Pan i magnitude 21.05 (0.02)
Pan z magnitude 21.06 (0.2)
Pan y magnitude
E(B-V)

* 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.