UM 566

All names: SDSS J131955.03+015259.7, 2QZ J131955.0+015258, LBQS 1317+0208, PSO J131955.034+015259.906, Gaia DR2 3688370510527371008, SDSS J131955.03+015259.77

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 13 19 55.03 (0.2) 13 19 55.05 13 19 55.05
Declination 01 52 59.75 (0.1) 01 52 59.52 01 52 59.52
Spectral type DAH: DAH: DA+dL1
Effective temperature [K] 11685.0 18462.0 (122)
log(g) [cgs] 6.96 7.66 (0.02)
Mass [M☉] 0.221
log(Luminosity) [L☉]
Cooling age [Gyr] 0.1364
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] 2.52 (0.2)
Distance [pc] 396.61 (32)
Composition H
Proper motion (right ascension) [mas/yr] -20.8585088989 (0.5) -26.0
Proper motion (declination) [mas/yr] 20.9147311766 (0.3) 28.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.26
V magnitude 18.20
R magnitude
I magnitude
J magnitude
H magnitude 17.79
K magnitude 17.57
u magnitude 18.33 (0.02) 18.32 (0.02) 18.32
g magnitude 18.14 (0.02) 18.11 (0.006) 18.11
r magnitude 18.46 (0.02) 18.45 (0.009) 18.45
i magnitude 18.71 (0.02) 18.70 (0.01) 18.70
z magnitude 18.84 (0.05) 18.83 (0.04) 18.86
G magnitude 18.31
BP magnitude 18.25
RP magnitude 18.35
Pan g magnitude 18.14 (0.005)
Pan r magnitude 18.44 (0.01)
Pan i magnitude 18.71 (0.006)
Pan z magnitude 18.85 (0.007)
Pan y magnitude 18.87 (0.01)

* 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.