SDSS J151745.17+610543.6

All names: WD 1516+612, Gaia DR2 1616309202665010304, SDSS J151745.17+610543.6, Gaia EDR3 1616309202665010304, SDSS J151745.18+610543.6, Gaia DR3 1616309202665010304, SDSS J151745.19+610543.6

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 Vincent et al. 2023
Right ascension 15 17 45.19 (0.5) 15 17 45.19 15 17 45.19 (0.9) 15 17 45.19 15 17 45.19 (0.5) 15 17 45.18 15 17 44.69 15 17 45.19
Declination 61 05 43.76 (0.5) 61 05 43.61 61 05 43.76 (0.7) 61 05 43.58 61 05 43.62 (0.5) 61 05 43.66 61 05 36.60 61 05 43.59
Spectral type DAH DA DA DAH DA_H DA_H: DAP5.3 DAH DAH
Effective temperature [K] 10751.2 (782) 12828.0 9500.0 14715.0 (692) 13748.0 (1001)
log(g) [cgs] 8.83 (0.1) 9.06 8.00 (0) 8.98 (0.03) 9.92 (0.09)
Mass [M] 1.118381761232093 (0.1) 1.224
log(Luminosity) [L]
Cooling age [Gyr] 1.6220
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] 2.95 (0.5) 3.89 (0.7) 2.95 (0.5)
Distance [pc] 339.55 (58) 256.81 (47) 339.55 (58)
Composition H H
Proper motion (right ascension) [mas/yr] -3.068421071 (0.6) -2.97023324 (2) -3.068 (0.6) -2.5
Proper motion (declination) [mas/yr] 9.309515502 (0.8) 7.230554617 (2) 9.31 (0.8) 8.1
Variability
Magnetic yes yes yes yes
Bd [MG] 10.26818597331977 13.98 (7) 13.98 (7)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.97 (0.09) 20.87 (0.1) 20.84 (0.09) 20.85 20.88 (0.09)
g magnitude 20.49 (0.03) 20.49 (0.03) 20.50 (0.03) 20.50 20.52 (0.03)
r magnitude 20.55 (0.04) 20.55 (0.04) 20.55 (0.04) 20.55 20.55 (0.04)
i magnitude 20.75 (0.06) 20.75 (0.06) 20.74 (0.06) 20.74 20.74 (0.06)
z magnitude 21.09 (0.3) 21.17 (0.3) 21.19 (0.3) 21.17 21.19 (0.3)
G magnitude 20.52 (0.09) 20.58 20.52 (0.007)
BP magnitude 20.58 (0.09) 20.58
RP magnitude 20.27 (0.1) 20.55
Pan g magnitude 20.45 (0.07)
Pan r magnitude 20.67 (0.02)
Pan i magnitude 20.74 (0.02)
Pan z magnitude 20.85 (0.1)
Pan y magnitude
E(B-V) 0.019

* 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.