WD 0855+329

All names: Gaia DR3 712884238068133248, CSO 4, LAMOST J085851.86+324635.7, SDSS J085851.86+324635.7, Gaia EDR3 712884238068133248, WD 0855+329, Gaia DR2 712884238068133248, SDSS J085851.87+324635.7, SDSS J085851.87+324635.8, Ton 366

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 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 58 51.84 (0.08) 08 58 51.86 08 58 51.84 (0.1) 08 58 51.84 08 58 51.87 (0.08) 08 58 51.87 08 58 50.64 08 58 51.87
Declination 32 46 35.42 (0.05) 32 46 35.78 32 46 35.44 (0.07) 32 46 35.42 32 46 35.85 (0.05) 32 46 35.77 32 46 31.80 32 46 35.77
Spectral type DA DA DA DA DA3.1 DA_auto DA5/A3 DA DA
Effective temperature [K] 14877.0 16260.0 (287) 16770.0 (150) 15731.0 (385) 16010.0 (107) 16438.0 (118)
log(g) [cgs] 8.01 7.94 (0.05) 7.94 (0.03) 8.00 (0.03) 7.87 (0.02) 7.94 (0.02)
Mass [M] 0.621 0.58 (0.03) 0.58 (0.02) 0.612 (0.02) 0.584 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.2069 0.1259
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] 5.99 (0.1) 6.32 (0.1) 5.99 5.99 (0.1)
Distance [pc] 167.05 (3) 158.34 (4) 195.00 167.05 167.05 (3)
Composition H H H
Proper motion (right ascension) [mas/yr] -24.64208743 (0.1) -24.41884039 (0.2) -24.642 (0.1) -18.1
Proper motion (declination) [mas/yr] -26.41111851 (0.08) -26.7389367 (0.1) -26.411 (0.08) -26.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.45 (0.009) 17.45 (0.009) 17.48 (0.02) 17.48 17.45 (0.02)
g magnitude 17.17 (0.004) 17.18 (0.004) 17.19 (0.02) 17.19 17.17 (0.02)
r magnitude 17.48 (0.005) 17.49 (0.005) 17.48 (0.01) 17.48 17.47 (0.01)
i magnitude 17.76 (0.007) 17.77 (0.007) 17.78 (0.03) 17.77 17.77 (0.03)
z magnitude 18.04 (0.02) 18.04 (0.02) 18.06 (0.03) 18.05 18.05 (0.03)
G magnitude 17.34 (0.006) 17.37 17.34 17.34 (0.003)
BP magnitude 17.31 (0.006) 17.30
RP magnitude 17.47 (0.009) 17.46
Pan g magnitude 17.22 (0.006)
Pan r magnitude 17.48 (0.004)
Pan i magnitude 17.79 (0.005)
Pan z magnitude 18.01 (0.009)
Pan y magnitude 18.14 (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.