GD 517

All names: 2MASS J16593552+6209342, GD 517, Gaia DR3 1630553139579970688, GALEX J165935.5+620933, SDSS J165935.59+620934.0, SDSS J165935.57+620933.9, EGGR 543, SDSS J165935.58+620934.0, TIC 459976272, [MMN2004c] WD J1659+6209, WD 1659+622, Gaia EDR3 1630553139579970688, SDSS J165935.58+620933.9, Gaia DR2 1630553139579970688

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Tremblay et al. 2011 Mukadam et al. 2004 Vincent et al. 2024 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 16 59 35.60 (0.03) 16 59 35.59 16 59 35.60 (0.05) 16 59 35.60 16 59 35.59 (0.03) 16 59 35.59 16 59 35.50 16 59 35.58 16 59 35.58
Declination 62 09 32.82 (0.04) 62 09 34.04 62 09 32.86 (0.07) 62 09 32.82 62 09 34.03 (0.04) 62 09 34.07 62 09 37.80 62 09 33.93 62 09 33.91
Spectral type DA DA DA DA DA3.8 DA DA DA DA
Effective temperature [K] 11089.0 13250.0 (247) 12410.0 (70) 12410.0 (80) 12026.0 (138) 12405.0 (76) 12478.0 (77) 12463.0 (74)
log(g) [cgs] 7.45 8.05 (0.06) 8.20 (0.02) 8.11 (0.03) 7.55 (0.01) 8.12 (0.03) 8.12 (0.03) 8.14 (0.03)
Mass [M] 0.343 0.64 (0.03) 0.73 (0.01) 0.384 (0.006)
log(Luminosity) [L]
Cooling age [Gyr] 0.2565 0.4677
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] 9.01 (0.04) 8.94 (0.06) 9.01 9.01 (0.04)
Distance [pc] 110.97 (0.5) 111.81 (0.8) 86.00 110.97 110.97 (0.5)
Composition H H H
Proper motion (right ascension) [mas/yr] 4.855433532 (0.04) 4.722093446 (0.1) 4.855 (0.04) 8.6 8.0
Proper motion (declination) [mas/yr] -75.34562749 (0.05) -75.40792044 (0.1) -75.346 (0.05) -79.9 -76.0
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.00
V magnitude
R magnitude
I magnitude
J magnitude 16.66 (0.2)
H magnitude
K magnitude
u magnitude 16.70 (0.006) 16.70 (0.006) 16.69 (0.02) 16.67 16.68 (0.02) 16.67 (0.02)
g magnitude 16.25 (0.004) 16.25 16.25 (0.004) 16.25 (0.02) 16.25 16.25 (0.02) 16.25 (0.02)
r magnitude 16.42 (0.004) 16.42 (0.004) 16.44 (0.02) 16.44 16.44 (0.02) 16.44 (0.02)
i magnitude 16.63 (0.005) 16.63 (0.005) 16.62 (0.01) 16.61 16.63 (0.02) 16.61 (0.01)
z magnitude 16.84 (0.01) 16.84 (0.01) 16.82 (0.02) 16.82 16.83 (0.02) 16.82 (0.02)
G magnitude 16.34 (0.003) 16.36 16.34 16.34 (0.003)
BP magnitude 16.37 (0.003) 16.36
RP magnitude 16.35 (0.006) 16.35
Pan g magnitude 16.29 (0.004)
Pan r magnitude 16.46 (0.003)
Pan i magnitude 16.65 (0.003)
Pan z magnitude 16.85 (0.005)
Pan y magnitude 17.02 (0.008)
E(B-V) 0.014

* 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.