SDSS J015718.86+325343.6

All names: Gaia DR3 304889321638298624, SDSS J015718.86+325343.6, Gaia DR2 304889321638298624, Gaia EDR3 304889321638298624, SDSS J015718.86+325343.68

Parameter Unit Gaia EDR3 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Simbad
Right ascension 01 57 18.84 (0.7) 01 57 18.86 01 57 18.84 (1) 01 57 18.83 (0.7)
Declination 32 53 43.63 (0.6) 32 53 43.69 32 53 43.63 (1) 32 53 43.62 (0.6)
Spectral type sdA: sdA: sdA: sdA
Effective temperature [K] 7616.0 7574.0 8825.0 (428)
log(g) [cgs] 6.87 6.76 6.00 (1)
Mass [M] 0.174 0.129
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.42 (0.7) 1.51 (1) 1.42 (0.7)
Distance [pc] 706.71 (365) 663.80 (479) 706.71 (365)
Composition
Proper motion (right ascension) [mas/yr] 2.529425476 (1) 2.702402679 (3) 2.529 (1)
Proper motion (declination) [mas/yr] 0.381728234 (0.9) -1.383326435 (3) 0.382 (0.9)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.53 (0.2) 21.49 (0.2) 21.49 (0.2)
g magnitude 20.65 (0.04) 20.77 (0.04) 20.77 (0.04)
r magnitude 20.75 (0.07) 20.96 (0.06) 20.96 (0.06)
i magnitude 20.49 (0.09) 20.61 (0.1) 20.61 (0.1)
z magnitude 20.72 (0.4) 20.89 (0.4) 20.89 (0.4)
G magnitude 20.31 (0.2) 20.38 20.31 (0.009)
BP magnitude 20.73 (0.2) 20.87
RP magnitude 19.99 (0.1) 20.23
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.067

* 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.