WD 1418-005A

All names: SDSS J142120.19-004626.2, SDSS J142120.19-004626.1, PG 1418-005, WD 1418-005A, SDSS J142131.20-004423.1, [BGK2006] J142131.21-004423.2, FBS 1418-005, SDSS J142131.20-004422.5, Gaia DR2 3653586296246976128, 2MASS J14213119-0044231, WD 1418-005, Gaia DR2 3653647971977321856, PSO J142131.196+004422.416, SDSS J142120.19-004626.0, WD 1418-005B, WD 1418-005.1, SDSS J142131.20-004422.56

Parameter Unit MWDD H MWDD H Pan-STARRS DR1 Pan-STARRS DR1 Gaia DR2 Gaia DR2 Kepler et al. 2015 Gianninas et al. 2011 Liebert et al. 2005 SDSS DR12 SDSS DR10 Simbad Simbad White Dwarf Catalog (McCook & Sion 1999) White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 21 31.19 (0.07) 14 21 31.19 (0.07) 14 21 31.21 14 21 31.21 14 21 31.19 14 21 31.19 14 21 20.21 14 21 31.18
Declination -00 44 22.29 (0.08) -00 44 22.29 (0.08) -00 44 23.12 -00 44 23.12 -00 44 23.10 -00 44 23.10 -00 46 22.80 -00 44 16.44
Spectral type DA DA DA DA DA3.4 DA3.4 DA5.5 DA4
Effective temperature [K] 13835.0 13835.0 15931.0 (61) 14980.0 (301) 14290.0 (289)
log(g) [cgs] 7.88 7.88 8.13 (0.01) 7.95 (0.06) 7.82 (0.06)
Mass [M] 0.544 0.544 0.684 (0.006) 0.58 (0.03) 0.51 (0.03)
log(Luminosity) [L] -2.09
Cooling age [Gyr] 0.2117 0.2117 0.2089
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] 8.79 (0.1) 8.79 (0.1)
Distance [pc] 113.78 (1) 113.78 (1) 113.00 123.00
Composition H H H
Proper motion (right ascension) [mas/yr] -12.39628575 (0.2) -12.39628575 (0.2) -15.0 -15.0
Proper motion (declination) [mas/yr] 55.32633956 (0.2) 55.32633956 (0.2) 56.0 56.0
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.64 16.64
V magnitude 16.52 16.70 16.70
R magnitude
I magnitude
J magnitude 16.82 16.82
H magnitude 16.94 16.94
K magnitude 16.95 16.95
u magnitude 16.77 (0.04) 16.74 (0.006) 16.74 (0.006) 16.71 16.74 18.01
g magnitude 16.41 (0.02) 16.39 (0.004) 16.39 (0.004) 16.39 16.39 17.59
r magnitude 16.71 (0.02) 16.69 (0.004) 16.69 (0.004) 16.69 16.69 17.60
i magnitude 17.36 (0.1) 17.23 (0.006) 17.23 (0.006) 16.96 17.23 17.92
z magnitude 17.25 (0.03) 17.23 (0.01) 17.23 (0.01) 17.21 17.21 17.83
G magnitude 16.59 16.59
BP magnitude 16.54 16.54
RP magnitude 16.66 16.66
Pan g magnitude 16.46 (0.003) 16.46 (0.003)
Pan r magnitude 16.70 (0.002) 16.70 (0.002)
Pan i magnitude 16.97 (0.003) 16.97 (0.003)
Pan z magnitude 17.20 (0.004) 17.20 (0.004)
Pan y magnitude 17.35 (0.01) 17.35 (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.