WD 0826+418

All names: SDSS J083012.27+414000.6, WDJ083012.28+414000.77, Gaia EDR3 915116621490557440, Gaia DR3 915116621490557440, KUV 08268+4150, GALEX J083012.3+414000, SDSS J083012.27+414000.7, Gaia DR2 915116621490557440, J0830+4139, WD 0826+418

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Caron et al. 2023 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 08 30 12.28 (0.07) 08 30 12.28 (0.08) 08 30 12.28 08 30 12.28 (0.07) 08 30 12.28 08 30 12.29
Declination 41 39 59.34 (0.04) 41 39 59.38 (0.05) 41 39 59.34 41 40 00.77 (0.04) 41 39 59.38 41 40 01.20
Spectral type DA DA DA DA DA4.8 DA
Effective temperature [K] 10012.0 (70) 9940.0 10390.0 (159) 9964.0 (119)
log(g) [cgs] 8.02 (0.01) 8.00 8.19 (0.07) 8.00 (0.02)
Mass [M] 0.609 (0.01) 0.603 0.72 (0.04) 0.602 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.6400 0.6164
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] 10.14 (0.09) 10.23 (0.1) 10.23 (0.1) 10.14 10.14 (0.09) 10.23 (0.1)
Distance [pc] 98.58 (0.9) 97.75 (1) 97.71 (1) 77.00 98.58 98.58 (0.9) 97.71 (1)
Composition H H H
Proper motion (right ascension) [mas/yr] 2.247626051 (0.1) 2.410302559 (0.2) 2.248 (0.1) 2.410302559
Proper motion (declination) [mas/yr] -89.06854811 (0.08) -89.0611133 (0.1) -89.069 (0.08) -89.0611133
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.00
V magnitude 16.80
R magnitude
I magnitude
J magnitude 17.06 (0.02)
H magnitude
K magnitude
u magnitude 17.54 (0.009) 17.51 (0.009) 17.57 (0.01)
g magnitude 17.12 (0.005) 17.14 (0.004)
r magnitude 17.23 (0.009) 17.22 (0.005)
i magnitude 17.32 (0.006) 17.35 (0.006)
z magnitude 17.52 (0.01) 17.52 (0.01)
G magnitude 17.14 (0.009) 17.16 17.14 17.14 (0.003) 17.16
BP magnitude 17.20 (0.009) 17.20 17.20
RP magnitude 17.07 (0.006) 17.07 17.07
Pan g magnitude 17.15 (0.006) 17.15 (0.007)
Pan r magnitude 17.23 (0.003) 17.23 (0.003)
Pan i magnitude 17.36 (0.004) 17.36 (0.003)
Pan z magnitude 17.53 (0.006) 17.53 (0.005)
Pan y magnitude 17.65 (0.02) 17.65 (0.02)
E(B-V) 0.003

* 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.