Gaia DR2 948132103814834560

All names: Gaia DR2 948132103814834560, WDJ071758.78+394354.00, SDSS J071758.82+394352.4, SDSS J071758.81+394352.3, LSPM J0717+3943, Gaia DR3 948132103814834560, Gaia EDR3 948132103814834560, WDJ071758.78+394354.01, USNO-B1.0 1297-00192869

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 07 17 58.87 (0.2) 07 17 58.86 07 17 58.87 07 17 58.78 (0.2) 07 17 58.86
Declination 39 43 50.21 (0.2) 39 43 50.33 39 43 50.21 39 43 54.01 (0.2) 39 43 50.33
Spectral type DAZ DA DA
Effective temperature [K] 5420.0 (42) 5501.0 5223.0 5531.0 (125)
log(g) [cgs] 7.98 (0.03) 7.99 7.81 8.02 (0.06)
Mass [M] 0.572 (0.02) 0.581 0.458 0.594 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 3.1190 3.3820
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 12.72 (0.2) 12.49 (0.4) 12.72 12.72 (0.2) 12.49 (0.4)
Distance [pc] 78.63 (1) 80.06 (2) 78.63 78.63 (1) 80.06 (2)
Composition H
Proper motion (right ascension) [mas/yr] 61.8946408 (0.2) 61.71997123 (0.5) 61.895 (0.2) 61.71997123
Proper motion (declination) [mas/yr] -237.2913464 (0.2) -237.2650333 (0.4) -237.291 (0.2) -237.2650333
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.40
V magnitude
R magnitude 19.00
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.81 (0.08) 20.59 (0.06)
g magnitude 19.46 (0.01) 19.43 (0.01)
r magnitude 18.89 (0.01) 18.91 (0.01)
i magnitude 18.68 (0.01) 18.72 (0.01)
z magnitude 18.61 (0.04) 18.66 (0.04)
G magnitude 18.90 (0.04) 18.92 18.90 18.90 (0.004) 18.92
BP magnitude 19.26 (0.04) 19.28 19.28
RP magnitude 18.34 (0.03) 18.39 18.39
Pan g magnitude 19.35 (0.02)
Pan r magnitude 18.88 (0.005)
Pan i magnitude 18.71 (0.005)
Pan z magnitude 18.65 (0.01)
Pan y magnitude 18.68 (0.02)
E(B-V) 0.002

* 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.