SDSS J082837.04+453354.2

All names: Gaia DR2 918103822784544768, Gaia DR3 918103822784544768, WD 0825+457, Gaia EDR3 918103822784544768, SDSS J082837.04+453354.2, GALEX J082837.1+453354, SDSS J082837.03+453354.2

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
Right ascension 08 28 37.04 (0.5) 08 28 37.04 08 28 37.04 (0.8) 08 28 37.04 (0.5) 08 28 37.04 08 28 36.50 08 28 37.03
Declination 45 33 54.24 (0.4) 45 33 54.27 45 33 54.24 (0.6) 45 33 54.26 (0.4) 45 33 54.28 45 33 48.96 45 33 54.22
Spectral type DA: DA DA: DA: DA
Effective temperature [K] 9104.0 11346.0 (388) 11009.0 (366)
log(g) [cgs] 8.03 8.07 (0.3) 8.21 (0.3)
Mass [M] 0.617 0.724 (0.2)
log(Luminosity) [L]
Cooling age [Gyr] 0.8054
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] 1.96 (0.8) 2.72 (1) 1.96 (0.8)
Distance [pc] 510.77 (216) 367.78 (146) 510.78 (216)
Composition H
Proper motion (right ascension) [mas/yr] -5.200915984 (0.9) -3.581844602 (2) -5.201 (0.9)
Proper motion (declination) [mas/yr] -0.957165896 (0.6) -2.183237953 (1) -0.957 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.91 (0.06) 20.92 (0.07) 20.90 (0.06) 20.89 20.92 (0.06)
g magnitude 20.42 (0.02) 20.39 (0.02) 20.39 (0.03) 20.38 20.40 (0.03)
r magnitude 20.55 (0.03) 20.55 (0.03) 20.55 (0.03) 20.54 20.55 (0.03)
i magnitude 20.69 (0.04) 20.68 (0.04) 20.68 (0.04) 20.67 20.69 (0.04)
z magnitude 20.54 (0.1) 20.51 (0.1) 20.51 (0.1) 20.50 20.54 (0.1)
G magnitude 20.44 (0.1) 20.51 20.44 (0.007)
BP magnitude 20.55 (0.1) 20.30
RP magnitude 20.28 (0.1) 20.53
Pan g magnitude 20.43 (0.2)
Pan r magnitude 20.54 (0.03)
Pan i magnitude 20.71 (0.06)
Pan z magnitude 20.79 (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.