WD 1715+601

All names: WD 1715+601, SDSS J171556.26+600643.7, Gaia DR3 1437422577835403520, Gaia DR2 1437422577835403520, Gaia EDR3 1437422577835403520, SDSS J171556.28+600643.6, GALEX J171556.1+600644, SDSS J171556.29+600643.9, SDSS J171556.29+600643.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 17 15 56.26 (0.3) 17 15 56.27 17 15 56.26 (0.3) 17 15 56.29 17 15 56.28 (0.3) 17 15 56.28 17 15 55.61 17 15 56.29 17 15 56.29
Declination 60 06 44.02 (0.3) 60 06 43.73 60 06 44.01 (0.4) 60 06 43.88 60 06 43.70 (0.3) 60 06 43.62 60 06 41.04 60 06 43.89 60 06 43.88
Spectral type DA DA DA DAH DAP DA DA3.4 DAH DA
Effective temperature [K] 14180.5 (710) 11331.0 13500.0 12870.0 (1361) 12153.0 (797) 14651.0 (1090)
log(g) [cgs] 7.90 (0.2) 7.68 8.00 (0) 8.17 (0.4) 8.46 (0.3) 7.88 (0.3)
Mass [M] 0.5546321342199546 (0.1) 0.437
log(Luminosity) [L]
Cooling age [Gyr] 0.2945
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] 2.53 (0.3) 2.41 (0.4) 2.53 (0.3)
Distance [pc] 395.94 (40) 415.35 (63) 395.95 (40)
Composition H H
Proper motion (right ascension) [mas/yr] -7.318875143 (0.4) -7.401674293 (0.8) -7.319 (0.4) -13.0 -15.0
Proper motion (declination) [mas/yr] 19.44466983 (0.4) 18.76107481 (0.9) 19.445 (0.4) 12.0 14.0
Variability
Magnetic yes yes
Bd [MG] 2.03 2.03 (0)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.63 (0.03) 19.63 (0.03) 19.70 (0.04) 19.68 19.66 (0.03) 19.68 (0.03)
g magnitude 19.34 (0.01) 19.34 (0.01) 19.34 (0.02) 19.34 19.34 (0.02) 19.34 (0.02)
r magnitude 19.57 (0.02) 19.57 (0.01) 19.59 (0.02) 19.60 19.59 (0.02) 19.60 (0.02)
i magnitude 19.73 (0.02) 19.73 (0.03) 19.73 (0.03) 19.74 19.72 (0.03) 19.74 (0.03)
z magnitude 19.75 (0.09) 19.75 (0.09) 19.78 (0.09) 19.78 19.77 (0.09) 19.78 (0.09)
G magnitude 19.46 (0.05) 19.50 19.46 (0.004)
BP magnitude 19.47 (0.05) 19.45
RP magnitude 19.58 (0.07) 19.54
Pan g magnitude 19.38 (0.03)
Pan r magnitude 19.58 (0.006)
Pan i magnitude 19.77 (0.009)
Pan z magnitude 20.01 (0.03)
Pan y magnitude 19.80 (0.1)
E(B-V) 0.022

* 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.