SDSS J151711.26+062035.5

All names: GALEX J151711.2+062035, Gaia EDR3 1163069928212137088, Gaia DR3 1163069928212137088, SDSS J151711.26+062035.5, Gaia DR2 1163069928212137088, SDSS J151711.26+062035.50

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 17 11.25 (0.5) 15 17 11.25 15 17 11.25 (0.6) 15 17 11.25 (0.5) 15 17 11.26
Declination 06 20 35.42 (0.6) 06 20 35.49 06 20 35.43 (1) 06 20 35.49 (0.6) 06 20 35.48
Spectral type DB DB DB DB+MS
Effective temperature [K] 24410.0 18580.0 14783.0 22222.0 (882)
log(g) [cgs] 8.18 6.82 6.53 7.81 (0.1)
Mass [M] 0.709 0.219 0.156
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) <-4.176
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] 1.59 (0.7) 0.65 (1) 1.59 (0.7)
Distance [pc] 629.61 (274) 1541.97 (2925) 629.60 (274)
Composition He
Proper motion (right ascension) [mas/yr] 2.512642792 (0.6) 3.115307002 (1) 2.513 (0.6)
Proper motion (declination) [mas/yr] -3.778296798 (0.6) -5.683274064 (1) -3.778 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.69 (0.04) 19.71 (0.04) 19.71 (0.04)
g magnitude 19.80 (0.02) 19.83 (0.02) 19.83 (0.02)
r magnitude 20.13 (0.02) 20.16 (0.03) 20.16 (0.03)
i magnitude 20.32 (0.04) 20.35 (0.04) 20.35 (0.04)
z magnitude 20.30 (0.1) 20.38 (0.1) 20.38 (0.1)
G magnitude 19.99 (0.1) 20.05 19.99 (0.007)
BP magnitude 19.79 (0.1) 19.74
RP magnitude 19.84 (0.2) 19.83
Pan g magnitude 19.84 (0.01)
Pan r magnitude 20.16 (0.02)
Pan i magnitude 20.37 (0.03)
Pan z magnitude 20.58 (0.05)
Pan y magnitude 20.29 (0.2)
E(B-V) 0.029

* 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.