SDSS J101559.31+201704.8

All names: SDSS J101559.31+201704.85, Gaia DR2 625725504657437184, SDSS J101559.31+201704.8, Gaia DR3 625725504657437184, Gaia EDR3 625725504657437184

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Gaia DR2 Kepler et al. 2015 Simbad
Right ascension 10 15 59.31 (0.5) 10 15 59.31 10 15 59.31 (0.6) 10 15 59.32 (0.5)
Declination 20 17 04.84 (0.5) 20 17 04.85 20 17 04.84 (0.8) 20 17 04.87 (0.5)
Spectral type DAZ DAZ
Effective temperature [K] 8187.0 (67)
log(g) [cgs] 5.46 (0.3)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.39 (0.7) -0.41 (1)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -2.006858641 (0.6) -1.758814116 (1) -2.007 (0.6)
Proper motion (declination) [mas/yr] -1.669781873 (0.6) -2.445673417 (1) -1.67 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.78 (0.07) 20.77 (0.06) 20.77 (0.06)
g magnitude 19.93 (0.02) 19.94 (0.02) 19.94 (0.02)
r magnitude 19.93 (0.02) 19.94 (0.03) 19.94 (0.03)
i magnitude 20.02 (0.03) 20.03 (0.04) 20.03 (0.04)
z magnitude 20.04 (0.09) 20.01 (0.09) 20.01 (0.09)
G magnitude 19.93 (0.07) 19.99 19.93 (0.006)
BP magnitude 19.96 (0.07) 19.80
RP magnitude 19.51 (0.1) 19.77
Pan g magnitude 19.96 (0.02)
Pan r magnitude 19.96 (0.02)
Pan i magnitude 20.06 (0.02)
Pan z magnitude 20.08 (0.04)
Pan y magnitude 20.11 (0.1)
E(B-V)

* 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.