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
Spectra without link are available upon request
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.