WD J0855+0635

All names: SDSS J085507.29+063540.9, Gaia DR3 584401463934612352, Gaia DR2 584401463934612352, Gaia EDR3 584401463934612352, WD 0852+067

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Castanheira et al. 2007 Vincent et al. 2024 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 55 07.25 (0.06) 08 55 07.29 08 55 07.25 (0.08) 08 55 07.25 08 55 07.29 08 55 07.44 08 55 07.29
Declination 06 35 40.01 (0.03) 06 35 40.91 06 35 40.04 (0.06) 06 35 40.01 06 35 40.92 06 35 36.96 06 35 40.91
Spectral type DA DA DA DA_auto DA DA DA
Effective temperature [K] 10688.0 11250.0 (80) 10970.0 10824.0 (120) 11045.0 (51) 11026.0 (53)
log(g) [cgs] 7.91 8.39 (0.04) 8.22 7.95 (0.02) 8.43 (0.03) 8.44 (0.03)
Mass [M] 0.549 0.85 (0.03) 0.574 (0.02) 0.869 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.4509 0.8128
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] 8.37 (0.09) 8.19 (0.1) 8.37
Distance [pc] 119.52 (1) 122.12 (2) 119.52
Composition H H
Proper motion (right ascension) [mas/yr] -42.90669078 (0.09) -43.19678917 (0.2) -26.0
Proper motion (declination) [mas/yr] -70.91828468 (0.07) -70.8629554 (0.1) -1.6
Variability VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 17.20
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.44 (0.01) 17.47 (0.02) 17.46 17.48 (0.02)
g magnitude 17.22 (0.005) 17.25 (0.02) 17.24 17.27 (0.02)
r magnitude 17.31 (0.005) 17.38 (0.02) 17.37 17.38 (0.02)
i magnitude 17.32 (0.007) 17.38 (0.02) 17.37 17.39 (0.02)
z magnitude 17.67 (0.02) 17.74 (0.03) 17.74 17.74 (0.03)
G magnitude 17.30 (0.009) 17.32 17.30
BP magnitude 17.28 (0.009) 17.27
RP magnitude 17.20 (0.01) 17.20
Pan g magnitude 17.23 (0.007)
Pan r magnitude 17.35 (0.005)
Pan i magnitude 17.55 (0.005)
Pan z magnitude 17.75 (0.02)
Pan y magnitude 17.83 (0.01)
E(B-V) 0.006
Period #1 [s] 433.0
Amplitude #1 [mma] 15
Period #2 [s] 850.0
Amplitude #2 [mma] 44.0

* 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.