Gaia DR2 1348007784003797376

All names: Gaia DR2 1348007784003797376, Gaia DR3 1348007784003797376, SDSS J171641.91+412930.4, Gaia EDR3 1348007784003797376, WDJ171641.94+412930.59, GALEX J171641.9+412932, SDSS J171641.90+412930.4, SDSS J171641.81+412931.8, J1716+4129

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 17 16 41.85 (0.1) 17 16 41.86 17 16 41.85 17 16 41.94 (0.1) 17 16 41.86
Declination 41 29 30.08 (0.1) 41 29 30.09 41 29 30.08 41 29 30.59 (0.1) 41 29 30.09
Spectral type DC DC DC DC DC
Effective temperature [K] 7125.0 (62) 7198.0 (60) 7843.0 7540.0 7218.0 (184)
log(g) [cgs] 8.06 (0.02) 8.08 (0.02) 8.34 8.24 8.12 (0.04)
Mass [M] 0.613 (0.02) 0.622 (0.02) 0.81 0.73 0.648 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 1.6800 2.1470 1.9670
log(H/He) -3.4 -3.4
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 10.07 (0.1) 10.02 (0.2) 10.02 (0.2) 10.07 10.07 (0.1) 10.02 (0.2)
Distance [pc] 99.27 (1) 99.80 (2) 99.80 (2) 99.27 99.27 (1) 99.80 (2)
Composition He
Proper motion (right ascension) [mas/yr] -58.87112085 (0.1) -59.32624418 (0.3) -58.871 (0.1) -59.32624418
Proper motion (declination) [mas/yr] -31.80066501 (0.2) -32.1785167 (0.4) -31.801 (0.2) -32.1785167
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.15 (0.06)
H magnitude
K magnitude
u magnitude 19.12 (0.02) 19.13 (0.03) 19.13 (0.03)
g magnitude 18.69 (0.008) 18.69 (0.008)
r magnitude 18.54 (0.009) 18.54 (0.009)
i magnitude 18.57 (0.01) 18.57 (0.01)
z magnitude 18.73 (0.03) 18.73 (0.03)
G magnitude 18.53 (0.01) 18.55 18.53 18.53 (0.003) 18.55
BP magnitude 18.68 (0.01) 18.69 18.69
RP magnitude 18.26 (0.02) 18.29 18.29
Pan g magnitude 18.65 (0.009) 18.65 (0.008)
Pan r magnitude 18.56 (0.008) 18.56 (0.007)
Pan i magnitude 18.58 (0.004) 18.58 (0.004)
Pan z magnitude 18.68 (0.008) 18.68 (0.008)
Pan y magnitude 18.73 (0.01) 18.73 (0.01)
E(B-V) 0.020

* 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.