WD 1400+454

All names: WD 1400+454, Gaia DR2 1505720911554632320, SDSS J140213.34+451142.3, Gaia DR3 1505720911554632320, SDSS J140213.32+451142.2, SDSS J140213.34+451142.4, Gaia EDR3 1505720911554632320, SDSS J140213.31+451142.2, GALEX J140213.3+451142, CBS 253

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Tremblay et al. 2011 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 02 13.31 (0.04) 14 02 13.35 14 02 13.31 (0.05) 14 02 13.31 14 02 13.36 (0.04) 14 02 13.34 14 02 13.68 14 02 13.34
Declination 45 11 42.24 (0.05) 45 11 42.38 45 11 42.25 (0.05) 45 11 42.24 45 11 42.47 (0.05) 45 11 42.39 45 11 40.92 45 11 42.39
Spectral type DA DA DA DA DA2.4 DA_auto DA DAZ DA
Effective temperature [K] 17896.0 20860.0 (375) 21550.0 (210) 20277.0 (450) 20707.0 (153) 20956.0 (157)
log(g) [cgs] 7.80 7.95 (0.05) 7.99 (0.03) 7.95 (0.02) 7.99 (0.03) 8.00 (0.03)
Mass [M] 0.511 0.6 (0.03) 0.62 (0.02) 0.595 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.0721 0.0501
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] 5.43 (0.06) 5.40 (0.06) 5.43 5.43 (0.06)
Distance [pc] 184.22 (2) 185.24 (2) 189.00 184.22 184.22 (2)
Composition H H H
Proper motion (right ascension) [mas/yr] -30.72887133 (0.05) -30.6469592 (0.09) -30.729 (0.05) -30.8
Proper motion (declination) [mas/yr] -14.13382277 (0.07) -13.91085288 (0.09) -14.134 (0.07) -16.6
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.92 (0.007) 16.91 (0.007) 16.93 (0.03) 16.93 16.95 (0.03)
g magnitude 16.83 (0.004) 16.84 (0.004) 16.82 (0.03) 16.82 16.83 (0.03)
r magnitude 17.18 (0.005) 17.18 (0.005) 17.16 (0.02) 17.16 17.17 (0.02)
i magnitude 17.47 (0.007) 17.47 (0.007) 17.43 (0.03) 17.43 17.45 (0.03)
z magnitude 17.83 (0.02) 17.83 (0.02) 17.79 (0.03) 17.79 17.81 (0.02)
G magnitude 17.03 (0.005) 17.05 17.03 17.03 (0.003)
BP magnitude 16.95 (0.005) 16.92
RP magnitude 17.22 (0.008) 17.21
Pan g magnitude 16.88 (0.005)
Pan r magnitude 17.19 (0.006)
Pan i magnitude 17.52 (0.004)
Pan z magnitude 17.78 (0.006)
Pan y magnitude 17.93 (0.008)
E(B-V) 0.016

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.