SDSS J165631.20+760850.7

All names: GALEX J165631.2+760851, Gaia DR3 1704672313624011264, SDSS J165631.20+760850.7, Gaia EDR3 1704672313624011264, Gaia DR2 1704672313624011264

Parameter Unit Gaia EDR3 Stilism Vincent et al. 2024 Simbad
Right ascension 16 56 31.13 (0.09) 16 56 31.13 16 56 31.22 (0.09)
Declination 76 08 52.06 (0.1) 76 08 52.06 76 08 50.64 (0.1)
Spectral type DB DQ
Effective temperature [K] 11721.0 (310)
log(g) [cgs] 8.68 (0.03)
Mass [M☉] 1.018 (0.02)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 9.63 (0.1) 9.63 9.63 (0.1)
Distance [pc] 103.84 (1) 103.84 103.84 (1)
Composition
Proper motion (right ascension) [mas/yr] -19.193 (0.1) -19.193 (0.1)
Proper motion (declination) [mas/yr] 88.413 (0.1) 88.413 (0.1)
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)
g magnitude 17.96 (0.006)
r magnitude 18.12 (0.008)
i magnitude 18.33 (0.01)
z magnitude 18.46 (0.03)
G magnitude 18.03 (0.003) 18.03 18.03 (0.003)
BP magnitude 18.03 (0.01)
RP magnitude 18.02 (0.02)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.010

* 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.