SDSS J134419.47+670255.8

All names: WD 1342+672A, SDSS J134419.48+670255.8, SDSS J134419.47+670255.8, PSO J134419.464+670255.864, Gaia DR2 1672240294017461632, SDSS J134419.47+670255.84

Parameter Unit MWDD H MWDD HE Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 13 44 19.43 (0.3) 13 44 19.48 13 44 19.48
Declination 67 02 55.72 (0.3) 67 02 55.86 67 02 55.81
Spectral type DC DC DC DC
Effective temperature [K] 9339.0 9208.0 11610.0 (713)
log(g) [cgs] 8.15 8.08 7.04 (0.8)
Mass [M☉] 0.693 0.63
log(Luminosity) [L☉]
Cooling age [Gyr] 0.9019 0.8743
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.75 (0.3)
Distance [pc] 266.60 (24)
Composition
Proper motion (right ascension) [mas/yr] -18.60101703 (0.7) -14.0
Proper motion (declination) [mas/yr] -8.5019738483 (0.7) -8.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.94 (0.04) 19.94 (0.04) 19.93
g magnitude 19.75 (0.02) 19.75 (0.02) 19.75
r magnitude 19.83 (0.02) 19.83 (0.02) 19.86
i magnitude 19.86 (0.03) 19.86 (0.03) 19.87
z magnitude 20.23 (0.1) 20.23 (0.1) 20.24
G magnitude 19.80
BP magnitude 19.92
RP magnitude 19.69
Pan g magnitude 19.80 (0.01)
Pan r magnitude 19.81 (0.01)
Pan i magnitude 19.96 (0.01)
Pan z magnitude 20.09 (0.03)
Pan y magnitude 20.03 (0.09)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.