SDSS J171703.92+413557.3

All names: GALEX J171703.9+413557, SDSS J171703.92+413557.3, Gaia DR3 1348056952789585536, Gaia EDR3 1348056952789585536, Gaia DR2 1348056952789585536

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 17 17 03.92 (0.1) 17 17 03.92 17 17 03.92 (0.2) 17 17 03.92 17 17 03.92 (0.1) 17 17 03.92
Declination 41 35 57.04 (0.1) 41 35 57.34 41 35 57.05 (0.2) 41 35 57.04 41 35 57.43 (0.1) 41 35 57.33
Spectral type DA DA DA DA DA DA
Effective temperature [K] 32431.0 (625) 29844.0 34099.0 (5109) 32246.0 (433)
log(g) [cgs] 7.83 (0.1) 7.83 7.92 (0.2) 7.78 (0.09)
Mass [M☉] 0.56 (0.06) 0.56 0.613 (0.1) 0.549 (0.04)
log(Luminosity) [L☉] -0.64 (0.09)
Cooling age [Gyr] 0.0069 (0.0006) 0.0091
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] 1.46 (0.1) 1.49 (0.2) 1.46 1.46 (0.1)
Distance [pc] 682.68 (67) 671.68 (86) 682.68 682.69 (67)
Composition H H
Proper motion (right ascension) [mas/yr] -4.632443245 (0.2) -4.355418751 (0.4) -4.632 (0.2)
Proper motion (declination) [mas/yr] -24.59527036 (0.2) -24.21270725 (0.4) -24.595 (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 18.36 (0.02) 18.36 (0.02) 18.35 (0.02)
g magnitude 18.59 (0.007) 18.59 (0.007) 18.59 (0.02)
r magnitude 19.11 (0.01) 19.11 (0.01) 19.11 (0.02)
i magnitude 19.46 (0.02) 19.46 (0.02) 19.45 (0.02)
z magnitude 20.06 (0.1) 20.06 (0.1) 19.96 (0.1)
G magnitude 18.83 (0.02) 18.87 18.83 18.83 (0.004)
BP magnitude 18.71 (0.02) 18.65
RP magnitude 19.15 (0.04) 19.13
Pan g magnitude 18.66 (0.007)
Pan r magnitude 19.07 (0.004)
Pan i magnitude 19.43 (0.007)
Pan z magnitude 19.73 (0.03)
Pan y magnitude 19.99 (0.03)
E(B-V) 0.028

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit




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.