SDSS J174140.49+652638.7

All names: GALEX J174140.5+652638, USNO-B1.0 1554-00182216, Gaia DR2 1633145818062780544, EQ J1741+6526, Gaia DR3 1633145818062780544, J1741+6526, SDSS J174140.49+652638.7, Gaia EDR3 1633145818062780544

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Gianninas et al. 2014 Simbad
Right ascension 17 41 40.49 (0.1) 17 41 40.49 (0.2) 17 41 40.49 (0.1)
Declination 65 26 38.63 (0.1) 65 26 38.64 (0.2) 65 26 38.70 (0.1)
Spectral type DA DA
Effective temperature [K] 10540.0 (170)
log(g) [cgs] 6.00 (0.06)
Mass [M] 0.17
log(Luminosity) [L]
Cooling age [Gyr] 1.5780 (0.1)
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] 0.87 (0.1) 0.83 (0.2) 0.87 (0.1)
Distance [pc] 1154.01 (191) 1206.85 (257) 1025.00 (154) 1154.07 (191)
Composition H
Proper motion (right ascension) [mas/yr] -2.818002804 (0.2) -2.321 (0.4) -2.818 (0.2)
Proper motion (declination) [mas/yr] -4.216988856 (0.2) -5.013 (0.4) -4.217 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude 18.30
V magnitude
R magnitude 19.20
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.34 (0.03)
g magnitude 18.41 (0.007)
r magnitude 18.56 (0.009)
i magnitude 18.74 (0.01)
z magnitude 18.88 (0.04)
G magnitude 18.46 (0.02) 18.48 18.46 (0.003)
BP magnitude 18.52 (0.02) 18.55
RP magnitude 18.38 (0.03) 18.40
Pan g magnitude 18.40 (0.01)
Pan r magnitude 18.56 (0.006)
Pan i magnitude 18.74 (0.006)
Pan z magnitude 18.91 (0.02)
Pan y magnitude 19.04 (0.03)
E(B-V) 0.029

* 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.