SDSS J170434.71+221359.2

All names: GALEX J170434.6+221358, SDSS J170434.71+221359.3, Gaia DR3 4571162593972222720, SDSS J170434.71+221359.27, Gaia DR2 4571162593971129600, Gaia EDR3 4571162593972222720, SDSS J170434.71+221359.2, SDSS J170434.70+221359.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Gaia DR2 Kepler et al. 2015 Simbad
Right ascension 17 04 34.70 (9) 17 04 34.71 17 04 34.72 (3) 17 04 34.70 (9)
Declination 22 13 59.30 (9) 22 13 59.27 22 13 59.26 (2) 22 13 59.30 (9)
Spectral type DA DA
Effective temperature [K] 9840.0 (130)
log(g) [cgs] 7.68 (0.2)
Mass [M☉] 0.46 (0.07)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas]
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr]
Proper motion (declination) [mas/yr]
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.17 (0.09) 21.20 (0.08) 21.17 (0.09)
g magnitude 20.53 (0.02) 20.59 (0.03) 20.53 (0.03)
r magnitude 20.18 (0.02) 20.25 (0.02) 20.18 (0.02)
i magnitude 20.02 (0.03) 20.09 (0.03) 20.02 (0.03)
z magnitude 19.77 (0.09) 19.78 (0.08) 19.77 (0.09)
G magnitude 20.69 (0.06) 20.51 20.69 (0.02)
BP magnitude 20.44 (0.06) 20.32
RP magnitude 19.58 (0.08) 19.70
Pan g magnitude 20.49 (0.02)
Pan r magnitude 20.19 (0.01)
Pan i magnitude 20.04 (0.01)
Pan z magnitude 19.92 (0.02)
Pan y magnitude 19.90 (0.1)
E(B-V)

* 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.