SDSS J080418.83+353859.2

All names: SDSS J080418.83+353859.2, Gaia EDR3 906160863060179072, SDSS J080418.83+353859.3, Gaia DR2 906160863060179072, J0804+3538, WD 0801+357, GALEX J080418.8+353859, Gaia DR3 906160863060179072, WDJ080418.84+353859.43

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 04 18.75 (0.08) 08 04 18.83 08 04 18.75 (0.1) 08 04 18.75 08 04 18.84 (0.08) 08 04 18.75 08 04 18.83 08 04 19.06 08 04 18.83
Declination 35 38 57.62 (0.06) 35 38 59.23 35 38 57.68 (0.07) 35 38 57.62 35 38 59.43 (0.06) 35 38 57.68 35 38 59.25 35 38 52.80 35 38 59.27
Spectral type DA DA DA DA DA DA DA DA DA_auto DA DA DA
Effective temperature [K] 9315.0 (62) 9307.0 (57) 9318.0 (62) 9261.0 9240.0 (40) 9145.0 (152) 9356.0 (57) 9170.0 (33)
log(g) [cgs] 8.47 (0.01) 8.45 (0.01) 8.46 (0.01) 8.45 8.79 (0.05) 8.44 (0.03) 8.85 (0.1) 8.67 (0.04)
Mass [M] 0.9 (0.009) 0.888 (0.01) 0.891 (0.01) 0.885 1.09 (0.03) 0.881 (0.02) 1.004 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.6700 1.6430 2.6915
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] 14.40 (0.09) 14.25 (0.1) 14.25 (0.1) 14.40 14.40 (0.09) 14.25 (0.1)
Distance [pc] 69.43 (0.4) 70.18 (0.7) 70.17 (0.7) 69.43 69.43 (0.4) 70.17 (0.7)
Composition H H H H
Proper motion (right ascension) [mas/yr] -69.83762037 (0.1) -70.04655806 (0.2) -69.838 (0.1) -70.047 -63.6
Proper motion (declination) [mas/yr] -113.1501554 (0.06) -113.0353187 (0.1) -113.15 (0.06) -113.035 -113.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.14 (0.02)
H magnitude
K magnitude
u magnitude 17.76 (0.01) 17.74 (0.01) 17.76 (0.01) 17.76 (0.01) 17.73 (0.02) 17.44 17.76 (0.02)
g magnitude 17.40 (0.005) 17.41 (0.005) 17.40 (0.005) 17.44 (0.01) 17.44 17.43 (0.01)
r magnitude 17.44 (0.005) 17.44 (0.005) 17.44 (0.005) 17.47 (0.02) 17.46 (0.02)
i magnitude 17.51 (0.007) 17.51 (0.007) 17.51 (0.007) 17.54 (0.02) 17.52 (0.02)
z magnitude 17.63 (0.01) 17.63 (0.01) 17.63 (0.01) 17.64 (0.03) 17.62 (0.02)
G magnitude 17.36 (0.008) 17.39 17.36 17.36 (0.003) 17.39
BP magnitude 17.45 (0.008) 17.44 17.44
RP magnitude 17.24 (0.008) 17.24 17.24
Pan g magnitude 17.41 (0.005) 17.41 (0.004)
Pan r magnitude 17.44 (0.005) 17.44 (0.004)
Pan i magnitude 17.54 (0.002) 17.54 (0.002)
Pan z magnitude 17.69 (0.005) 17.69 (0.006)
Pan y magnitude 17.76 (0.009) 17.76 (0.01)
E(B-V) 0.002

* 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.