SDSS J170559.94+383115.6

All names: Gaia DR3 1341260635196584192, SDSS J170559.94+383115.60, SDSS J170559.94+383115.6, Gaia EDR3 1341260635196584192, Gaia DR2 1341260635196584192, GALEX J170559.9+383115

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 17 05 59.90 (0.07) 17 05 59.95 17 05 59.90 (0.1) 17 05 59.90 17 05 59.95 (0.07)
Declination 38 31 14.79 (0.09) 38 31 15.67 38 31 14.82 (0.1) 38 31 14.79 38 31 15.75 (0.09)
Spectral type DB DB DB: DB DB
Effective temperature [K] 12125.0 10379.0 10506.0 11016.0 (82) 11722.0 (67) 10364.0 (234)
log(g) [cgs] 8.15 7.90 7.93 8.00 (0) 8.00 (0) 7.90 (0.04)
Mass [M] 0.674 0.524 0.543 0.525 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.5003
log(H/He) -6.394 <-5.87
log(C/He)
log(Ca/He) <-10.73
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] 6.24 (0.09) 6.25 (0.1) 6.24 6.24 (0.09)
Distance [pc] 160.31 (2) 159.98 (3) 160.00 160.31 160.31 (2)
Composition He
Proper motion (right ascension) [mas/yr] -36.07288922 (0.1) -36.15326639 (0.2) -36.073 (0.1)
Proper motion (declination) [mas/yr] -60.11159167 (0.1) -60.028263 (0.2) -60.112 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.26 (0.01) 18.26 (0.01) 18.26 (0.01)
g magnitude 18.03 (0.006) 18.03 (0.01) 18.04 (0.006)
r magnitude 18.17 (0.007) 18.17 (0.01) 18.17 (0.007)
i magnitude 18.34 (0.009) 18.34 (0.01) 18.34 (0.009)
z magnitude 18.48 (0.03) 18.48 (0.03) 18.48 (0.03)
G magnitude 18.04 (0.009) 18.07 18.04 18.04 (0.003)
BP magnitude 18.09 (0.009) 18.06
RP magnitude 17.98 (0.01) 17.95
Pan g magnitude 18.05 (0.004)
Pan r magnitude 18.16 (0.006)
Pan i magnitude 18.32 (0.003)
Pan z magnitude 18.47 (0.01)
Pan y magnitude 18.62 (0.03)
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.