SDSS J085538.59+363840.5

All names: WD 0852+368, Gaia DR2 717124539020072064, GALEX J085538.6+363841, Gaia DR3 717124539020072064, Gaia EDR3 717124539020072064, SDSS J085538.59+363840.5

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 55 38.57 (0.4) 08 55 38.60 08 55 38.58 (0.6) 08 55 38.60 (0.4) 08 55 38.59 08 55 38.90 08 55 38.59
Declination 36 38 40.85 (0.3) 36 38 40.55 36 38 40.85 (0.5) 36 38 40.59 (0.3) 36 38 40.56 36 38 35.88 36 38 40.53
Spectral type DC: DC: DZ DC: DC: DC: DZ:
Effective temperature [K] 8370.0 8152.0 10182.0 (113) 10190.0 (111)
log(g) [cgs] 8.26 8.19 8.08 (0.6) 9.12 (0.6)
Mass [M] 0.761 0.698
log(Luminosity) [L]
Cooling age [Gyr] 1.4440 1.4020
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.72 (0.6) 4.26 (0.7) 4.72 (0.6)
Distance [pc] 211.66 (25) 234.84 (41) 211.66 (25)
Composition
Proper motion (right ascension) [mas/yr] -16.94107107 (0.5) -17.96303835 (1) -16.941 (0.5) -17.4
Proper motion (declination) [mas/yr] 16.35402136 (0.5) 16.47870884 (1) 16.354 (0.5) 17.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.40 (0.05) 20.40 (0.05) 20.36 (0.04) 20.36 20.37 (0.05)
g magnitude 20.13 (0.02) 20.13 (0.02) 20.08 (0.02) 20.08 20.10 (0.02)
r magnitude 20.07 (0.02) 20.07 (0.02) 20.12 (0.03) 20.12 20.13 (0.03)
i magnitude 20.28 (0.03) 20.28 (0.03) 20.21 (0.04) 20.21 20.22 (0.04)
z magnitude 20.60 (0.1) 20.60 (0.1) 20.66 (0.2) 20.66 20.67 (0.2)
G magnitude 20.06 (0.05) 20.11 20.06 (0.006)
BP magnitude 20.16 (0.05) 20.18
RP magnitude 19.89 (0.07) 19.83
Pan g magnitude 20.11 (0.03)
Pan r magnitude 20.10 (0.02)
Pan i magnitude 20.15 (0.02)
Pan z magnitude 20.27 (0.03)
Pan y magnitude 20.19 (0.07)
E(B-V) 0.011

* 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.