WD 0828+458

All names: US 1188, Gaia DR3 918076300634694528, Gaia DR2 918076300634694528, SDSS J083151.03+454303.1, WD 0828+458, SDSS J083151.02+454303.1, GALEX J083151.0+454302, Gaia EDR3 918076300634694528, SDSS J083151.04+454303.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 08 31 51.01 (0.2) 08 31 51.03 08 31 51.02 (0.3) 08 31 51.04 (0.2) 08 31 51.04 08 31 51.22 08 31 51.03 08 31 51.03
Declination 45 43 02.76 (0.2) 45 43 03.19 45 43 02.77 (0.2) 45 43 03.13 (0.2) 45 43 03.11 45 43 01.56 45 43 03.12 45 43 03.11
Spectral type DA DA DA DA DA2.2 DA DA
Effective temperature [K] 16604.0 23820.0 (510) 22621.0 (345) 22993.0 (346) 23003.0 (367)
log(g) [cgs] 7.92 7.87 (0.07) 7.84 (0.05) 7.87 (0.05) 7.90 (0.05)
Mass [M] 0.571 0.56 (0.04) 0.566 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.1220 0.0245
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] 2.09 (0.3) 2.14 (0.4) 2.09 (0.3)
Distance [pc] 477.87 (72) 466.96 (80) 477.87 (72)
Composition H H
Proper motion (right ascension) [mas/yr] -15.43018438 (0.3) -14.63989352 (0.5) -15.43 (0.3) -14.3 -14.0
Proper motion (declination) [mas/yr] -23.40477884 (0.3) -22.71889264 (0.4) -23.405 (0.3) -21.8 -23.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.50
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.05 (0.02) 19.05 (0.02) 19.16 (0.03) 19.09 19.15 (0.02) 19.09 (0.03)
g magnitude 19.11 (0.01) 19.11 (0.01) 19.11 (0.02) 19.15 19.11 (0.02) 19.15 (0.02)
r magnitude 19.45 (0.02) 19.45 (0.02) 19.51 (0.02) 19.53 19.50 (0.02) 19.53 (0.02)
i magnitude 19.74 (0.03) 19.74 (0.03) 19.80 (0.03) 19.78 19.81 (0.03) 19.78 (0.03)
z magnitude 20.16 (0.1) 20.16 (0.1) 20.14 (0.1) 20.28 20.16 (0.1) 20.28 (0.1)
G magnitude 19.34 (0.03) 19.38 19.34 (0.004)
BP magnitude 19.33 (0.03) 19.19
RP magnitude 19.53 (0.05) 19.50
Pan g magnitude 19.21 (0.007)
Pan r magnitude 19.53 (0.02)
Pan i magnitude 19.78 (0.02)
Pan z magnitude 20.07 (0.02)
Pan y magnitude 20.27 (0.3)
E(B-V) 0.027

* 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.