SDSS J173502.28+640155.1

All names: Gaia EDR3 1440489321923728512, SDSS J173502.28+640155.1, SDSS J173502.25+640155.1, Gaia DR3 1440489321923728512, GALEX J173502.2+640155, SDSS J173502.26+640155.1, Gaia DR2 1440489321923728512

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 17 35 02.26 (0.1) 17 35 02.26 17 35 02.26 (0.2) 17 35 02.27 (0.1) 17 35 02.26
Declination 64 01 55.14 (0.1) 64 01 55.15 64 01 55.14 (0.2) 64 01 55.21 (0.1) 64 01 55.15
Spectral type DA DA DA DAH DA
Effective temperature [K] 67900.0 (2639) 25371.0 70886.0 (2193)
log(g) [cgs] 7.31 (0.1) 6.53 7.51 (0.1)
Mass [M] 0.48 (0.03) 0.212
log(Luminosity) [L] 1.09 (0.1)
Cooling age [Gyr] 0.0001
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] 0.72 (0.1) 0.74 (0.1) 0.72 (0.1)
Distance [pc] 1398.01 (219) 1345.65 (265) 1398.01 (219)
Composition H H
Proper motion (right ascension) [mas/yr] -4.122436156 (0.2) -4.663199311 (0.4) -4.122 (0.2)
Proper motion (declination) [mas/yr] -4.555932043 (0.2) -5.060317469 (0.4) -4.556 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.77 (0.01) 17.77 (0.01) 17.76 (0.03)
g magnitude 18.20 (0.006) 18.20 (0.006) 18.25 (0.03)
r magnitude 18.71 (0.009) 18.71 (0.009) 18.73 (0.03)
i magnitude 19.12 (0.01) 19.12 (0.01) 19.09 (0.03)
z magnitude 19.32 (0.06) 19.32 (0.06) 19.33 (0.07)
G magnitude 18.47 (0.02) 18.50 18.47 (0.003)
BP magnitude 18.29 (0.02) 18.23
RP magnitude 18.76 (0.05) 18.71
Pan g magnitude 18.31 (0.003)
Pan r magnitude 18.75 (0.006)
Pan i magnitude 19.11 (0.01)
Pan z magnitude 19.38 (0.03)
Pan y magnitude 19.44 (0.07)
E(B-V) 0.027

* 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.