WD 1728+565

All names: GALEX J172932.5+563204, Gaia DR3 1422089063552681088, WD 1728+565, SDSS J172932.48+563203.9, SDSS J172932.48+563204.0, SDSS J172932.48+563204.1, Gaia EDR3 1422089063552681088, Gaia DR2 1422089063552681088, SDSS J172932.49+563204.0

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 17 29 32.49 (0.4) 17 29 32.49 17 29 32.49 (0.5) 17 29 32.48 17 29 32.49 (0.4) 17 29 32.48 17 29 31.56 17 29 32.48
Declination 56 32 04.78 (0.5) 56 32 04.14 56 32 04.75 (0.8) 56 32 04.09 56 32 04.02 (0.5) 56 32 03.99 56 32 03.48 56 32 04.09
Spectral type DAH DA DA DAH DAH DAH DAH DAH DAH
Effective temperature [K] 10950.0 (471) 8788.0 10500.0 10341.0 (221) 10298.0 (198)
log(g) [cgs] 8.75 (0.1) 8.39 8.00 (0) 7.79 (0.6) 9.00 (0.6)
Mass [M] 1.074399770419998 (0.1) 0.843
log(Luminosity) [L]
Cooling age [Gyr] 1.6320
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] 4.92 (0.4) 4.46 (0.7) 4.92 (0.4)
Distance [pc] 203.34 (16) 224.16 (33) 203.34 (16)
Composition H H
Proper motion (right ascension) [mas/yr] 0.214864713 (0.5) 0.055379314 (2) 0.215 (0.5) -5.0
Proper motion (declination) [mas/yr] 47.13794068 (0.6) 47.94814943 (2) 47.138 (0.6) 42.0
Variability
Magnetic yes yes yes yes yes
Bd [MG] 28.56610734761556 27.26 (7) 27.26 (7)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.31 (0.05) 20.31 (0.04) 20.27 (0.06) 20.24 20.26 (0.06)
g magnitude 20.03 (0.02) 20.03 (0.02) 20.03 (0.03) 20.02 20.03 (0.03)
r magnitude 20.10 (0.02) 20.10 (0.02) 20.08 (0.03) 20.08 20.08 (0.03)
i magnitude 20.20 (0.03) 20.20 (0.03) 20.21 (0.04) 20.21 20.22 (0.04)
z magnitude 20.15 (0.1) 20.15 (0.1) 20.86 (0.2) 20.87 20.86 (0.2)
G magnitude 19.99 (0.06) 20.06 19.99 (0.006)
BP magnitude 20.09 (0.06) 20.05
RP magnitude 19.77 (0.09) 19.80
Pan g magnitude 20.05 (0.01)
Pan r magnitude 20.09 (0.02)
Pan i magnitude 20.21 (0.02)
Pan z magnitude 20.26 (0.09)
Pan y magnitude
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.