SDSS J085742.04+363526.6

All names: Gaia DR2 718608467401108480, SDSS J085742.04+363526.6, GALEX J085742.1+363527, SDSS J085742.05+363526.6, WIRED J085742.05+363526.6, WD 0854+367, Gaia DR3 718608467401108480, SDSS J085742.05+363526.7, Gaia EDR3 718608467401108480

Parameter Unit Gaia EDR3 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 57 42.04 (0.1) 08 57 42.05 08 57 42.04 (0.2) 08 57 42.04 08 57 42.05 (0.1) 08 57 42.05 08 57 41.52 08 57 42.05
Declination 36 35 26.85 (0.1) 36 35 26.69 36 35 26.85 (0.1) 36 35 26.85 36 35 26.68 (0.1) 36 35 26.65 36 35 23.64 36 35 26.65
Spectral type DA DA DA DA DA_auto DA DA DA
Effective temperature [K] 22373.0 28250.0 (480) 27953.0 (1941) 28235.0 (285) 28932.0 (149)
log(g) [cgs] 7.69 7.79 (0.08) 8.05 (0.1) 7.79 (0.06) 7.78 (0.03)
Mass [M] 0.475 0.54 (0.04) 0.669 (0.09) 0.542 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.0249 0.0115
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] 2.39 (0.2) 2.28 (0.2) 2.39 2.39 (0.2)
Distance [pc] 419.21 (34) 439.50 (48) 419.21 419.20 (34)
Composition H H
Proper motion (right ascension) [mas/yr] -6.826328243 (0.2) -6.677421985 (0.3) -6.826 (0.2) 10.4
Proper motion (declination) [mas/yr] 10.36215608 (0.2) 10.22874978 (0.3) 10.362 (0.2) -1.6
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.05 (0.01) 18.05 (0.01) 18.02 (0.02) 18.01 18.03 (0.02)
g magnitude 18.15 (0.006) 18.15 (0.006) 18.19 (0.02) 18.18 18.18 (0.02)
r magnitude 18.56 (0.009) 18.56 (0.009) 18.64 (0.02) 18.63 18.62 (0.02)
i magnitude 18.84 (0.01) 18.84 (0.01) 18.96 (0.03) 18.95 18.94 (0.03)
z magnitude 19.14 (0.05) 19.14 (0.05) 19.25 (0.05) 19.24 19.22 (0.05)
G magnitude 18.45 (0.01) 18.49 18.45 18.45 (0.003)
BP magnitude 18.31 (0.01) 18.25
RP magnitude 18.51 (0.02) 18.51
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.023

* 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.