SDSS J085500.50+330358.0

All names: SDSS J085500.51+330358.0, WD 0851+332, LAMOST J085500.50+330358.0, Gaia EDR3 713126920899862656, Gaia DR2 713126920899862656, GALEX J085500.5+330358, SDSS J085500.50+330358.0, Gaia DR3 713126920899862656

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Guo et al. 2015 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 55 00.52 (0.1) 08 55 00.51 08 55 00.52 (0.1) 08 55 00.52 08 55 00.51 (0.1) 08 55 00.51 08 55 00.48 08 55 00.51
Declination 33 03 57.88 (0.07) 33 03 58.00 33 03 57.89 (0.1) 33 03 57.88 33 03 58.01 (0.07) 33 03 58.00 33 03 55.80 33 03 58.00
Spectral type DA DA DA DA DA DA_auto DA DA DA
Effective temperature [K] 12218.0 13000.0 (299) 12800.0 (190) 12643.0 (349) 12308.0 (129) 12386.0 (140)
log(g) [cgs] 8.04 8.04 (0.09) 8.04 (0.05) 8.09 (0.03) 8.06 (0.05) 8.17 (0.04)
Mass [M] 0.629 0.63 (0.05) 0.63 (0.03) 0.659 (0.03) 0.702 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.3756 0.3467
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] 6.21 (0.1) 6.11 (0.2) 6.21 6.21 (0.1)
Distance [pc] 161.10 (3) 163.73 (5) 161.10 161.10 (3)
Composition H H
Proper motion (right ascension) [mas/yr] 7.10570524 (0.1) 6.644500017 (0.2) 7.106 (0.1) 13.4
Proper motion (declination) [mas/yr] -8.268962228 (0.09) -7.942946401 (0.2) -8.269 (0.09) -9.9
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) 18.07 (0.02) 18.06 18.05 (0.02)
g magnitude 17.68 (0.005) 17.68 (0.005) 17.70 (0.02) 17.69 17.68 (0.02)
r magnitude 17.89 (0.006) 17.89 (0.006) 17.91 (0.02) 17.90 17.89 (0.02)
i magnitude 18.11 (0.008) 18.11 (0.008) 18.13 (0.02) 18.12 18.11 (0.02)
z magnitude 18.30 (0.03) 18.30 (0.03) 18.32 (0.03) 18.31 18.30 (0.03)
G magnitude 17.78 (0.007) 17.80 17.78 17.78 (0.003)
BP magnitude 17.79 (0.007) 17.77
RP magnitude 17.81 (0.01) 17.84
Pan g magnitude 17.70 (0.007)
Pan r magnitude 17.91 (0.004)
Pan i magnitude 18.12 (0.004)
Pan z magnitude 18.33 (0.006)
Pan y magnitude 18.50 (0.01)
E(B-V) 0.007

* 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.