SDSS J101748.32+451638.9

All names: Gaia DR3 809399712351787520, SDSS J101748.32+451638.91, GALEX J101748.3+451638, Gaia DR2 809399712351787520, SDSS J101748.31+451638.9, SDSS J101748.32+451638.9, Gaia EDR3 809399712351787520

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 10 17 48.33 (0.2) 10 17 48.32 10 17 48.33 (0.4) 10 17 48.32 (0.2)
Declination 45 16 38.62 (0.2) 45 16 38.91 45 16 38.64 (0.4) 45 16 38.96 (0.2)
Spectral type DX DX DX DB DA
Effective temperature [K] 9332.0 9236.0 89325.0 (7742)
log(g) [cgs] 8.27 8.21 7.77 (0.3)
Mass [M☉] 0.767 0.713 0.6609999999999999 (0.06)
log(Luminosity) [L☉]
Cooling age [Gyr] 1.0710 1.0490
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.45 (0.4) 3.93 (0.6) 4.45 (0.4)
Distance [pc] 224.88 (19) 254.22 (40) 224.88 (19)
Composition
Proper motion (right ascension) [mas/yr] 7.08291522 (0.3) 6.615098669 (0.7) 7.083 (0.3)
Proper motion (declination) [mas/yr] -21.14425667 (0.3) -20.1675184 (0.8) -21.144 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.00 (0.04) 20.01 (0.04) 20.01 (0.04)
g magnitude 19.75 (0.01) 19.77 (0.03) 19.76 (0.01)
r magnitude 19.99 (0.02) 20.03 (0.03) 19.99 (0.02)
i magnitude 20.02 (0.03) 20.05 (0.03) 20.03 (0.03)
z magnitude 20.01 (0.09) 20.03 (0.09) 20.02 (0.09)
G magnitude 19.83 (0.05) 19.88 19.83 (0.005)
BP magnitude 19.96 (0.05) 19.88
RP magnitude 19.68 (0.07) 19.67
Pan g magnitude 19.85 (0.02)
Pan r magnitude 19.95 (0.01)
Pan i magnitude 20.04 (0.01)
Pan z magnitude 20.13 (0.02)
Pan y magnitude 20.01 (0.1)
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.