Ton 193

All names: LAMOST J141542.98+225647.3, SDSS J141543.03+225645.0, SDSS J141542.89+225644.9, PSO J141542.900+225644.885, Gaia DR2 1253805652121019264, SDSS J141542.89+225644.95

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 14 15 42.83 (0.06) 14 15 43.03 14 15 43.03
Declination 22 56 44.91 (0.06) 22 56 45.01 22 56 45.01
Spectral type DA DA DA2.1
Effective temperature [K] 20790.0 24258.0 (100)
log(g) [cgs] 7.66 7.88 (0.01)
Mass [M☉] 0.456 0.574 (0.004)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.0346
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] 5.61 (0.08)
Distance [pc] 178.13 (3)
Composition H
Proper motion (right ascension) [mas/yr] -248.779876256 (0.1) -249.0
Proper motion (declination) [mas/yr] -8.4425221372 (0.1) -9.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.31
V magnitude 16.90
R magnitude 16.20
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.13 (0.02) 16.11 (0.006) 16.11
g magnitude 16.26 (0.02) 16.25 (0.004) 16.25
r magnitude 16.67 (0.01) 16.66 (0.004) 16.66
i magnitude 16.96 (0.02) 16.96 (0.005) 16.96
z magnitude 17.26 (0.02) 17.26 (0.01) 17.26
G magnitude 16.48
BP magnitude 16.32
RP magnitude 16.66
Pan g magnitude 16.29 (0.003)
Pan r magnitude 16.65 (0.003)
Pan i magnitude 16.98 (0.003)
Pan z magnitude 17.24 (0.006)
Pan y magnitude 17.42 (0.009)

* 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.