LP 221-61

All names: SDSS J142451.04+430925.0, CBS 183, FBS B 338, PSO J142451.043+430925.173, Gaia DR2 1492517013856091264, SDSS J142451.04+430925.09

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 14 24 51.02 (0.04) 14 24 51.09 14 24 51.12
Declination 43 09 25.22 (0.04) 43 09 24.71 43 09 24.70
Spectral type DA DA DA2.2
Effective temperature [K] 20568.0 23758.0 (90)
log(g) [cgs] 7.75 7.97 (0.01)
Mass [M] 0.49700000000000005 0.615 (0.005)
log(Luminosity) [L]
Cooling age [Gyr] 0.0366
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] 7.43 (0.06)
Distance [pc] 134.61 (1)
Composition H
Proper motion (right ascension) [mas/yr] -64.8937581431 (0.07) -65.0
Proper motion (declination) [mas/yr] 42.1982402028 (0.08) 44.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.00
V magnitude
R magnitude
I magnitude
J magnitude 16.31
H magnitude
K magnitude
u magnitude 15.76 (0.02) 15.77 (0.005) 15.78
g magnitude 15.78 (0.05) 15.78 (0.004) 15.78
r magnitude 16.21 (0.1) 16.20 (0.004) 16.21
i magnitude 16.53 (0.05) 16.50 (0.005) 16.50
z magnitude 16.80 (0.01) 16.79 (0.01) 16.79
G magnitude 16.03
BP magnitude 15.88
RP magnitude 16.22
Pan g magnitude 15.84 (0.004)
Pan r magnitude 16.20 (0.004)
Pan i magnitude 16.53 (0.003)
Pan z magnitude 16.80 (0.006)
Pan y magnitude 16.96 (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.