SDSS J080852.66+371220.1

All names: SDSS J080852.66+371220.2, SDSS J080852.68+371220.0, Gaia DR3 907100906846634880, SDSS J080852.66+371220.1, Gaia DR2 907100906846634880, GALEX J080852.7+371220, Gaia EDR3 907100906846634880

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 08 52.70 (0.2) 08 08 52.67 08 08 52.69 (0.3) 08 08 52.67 (0.2) 08 08 52.66
Declination 37 12 19.84 (0.2) 37 12 20.28 37 12 19.85 (0.3) 37 12 20.28 (0.2) 37 12 20.15
Spectral type DC DC DC DC DC
Effective temperature [K] 9279.0 9128.0 10200.0 (111)
log(g) [cgs] 8.23 8.17 8.53 (0.7)
Mass [M] 0.744 0.682
log(Luminosity) [L]
Cooling age [Gyr] 1.0290 1.0130
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 5.29 (0.4) 5.03 (0.4) 5.29 (0.4)
Distance [pc] 189.19 (13) 198.81 (17) 189.19 (13)
Composition
Proper motion (right ascension) [mas/yr] 18.27291905 (0.3) 17.7974485 (0.7) 18.273 (0.3)
Proper motion (declination) [mas/yr] -28.05536265 (0.2) -27.31633258 (0.5) -28.055 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.47 (0.03) 19.47 (0.03) 19.49 (0.03)
g magnitude 19.27 (0.01) 19.27 (0.01) 19.31 (0.01)
r magnitude 19.29 (0.01) 19.29 (0.01) 19.35 (0.02)
i magnitude 19.46 (0.02) 19.46 (0.02) 19.36 (0.02)
z magnitude 19.53 (0.06) 19.53 (0.06) 20.02 (0.1)
G magnitude 19.26 (0.02) 19.31 19.26 (0.004)
BP magnitude 19.34 (0.02) 19.31
RP magnitude 19.12 (0.05) 19.07
Pan g magnitude 19.31 (0.005)
Pan r magnitude 19.35 (0.02)
Pan i magnitude 19.44 (0.01)
Pan z magnitude 19.59 (0.03)
Pan y magnitude 19.17 (0.3)
E(B-V) 0.013

* 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.