WD 1402+649

All names: Gaia EDR3 1670992421335403904, SDSS J140353.47+643953.9, TIC 165989851, Gaia DR3 1670992421335403904, FBS 1402+649, SDSS J140353.28+643954.5, J1403+6439, SDSS J140353.46+643953.9, 2MASS J14035348+6439537, WD 1402+649, FBS B 716, Gaia DR2 1670992421335403904, WDJ140353.47+643953.90

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 03 53.25 (0.05) 14 03 53.46 14 03 53.25 (0.07) 14 03 53.25 14 03 53.47 (0.05) 14 03 53.25 14 03 53.46 14 03 53.11 14 03 53.47
Declination 64 39 54.55 (0.04) 64 39 53.99 64 39 54.53 (0.06) 64 39 54.55 64 39 53.89 (0.04) 64 39 54.53 64 39 53.99 64 39 51.48 64 39 53.95
Spectral type DA DC DC DC DC DC DC
Effective temperature [K] 9604.0 (54) 9934.0 9831.0 9342.0 (118) 10169.0 (90) 10225.0 (110)
log(g) [cgs] 8.13 (0.01) 8.30 8.23 8.08 (0.02) 8.52 (0.3) 9.46 (0.3)
Mass [M] 0.659 (0.009) 0.786 0.721 0.625 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.8700 0.9563 0.9067
log(H/He) -5.0
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 14.24 (0.05) 14.32 (0.07) 14.32 (0.07) 14.24 14.24 (0.05) 14.32 (0.07)
Distance [pc] 70.23 (0.2) 69.83 (0.3) 69.85 (0.3) 70.23 70.23 (0.2) 69.85 (0.3)
Composition He
Proper motion (right ascension) [mas/yr] -91.40592495 (0.06) -91.38003596 (0.2) -91.406 (0.06) -91.38003596 -87.8
Proper motion (declination) [mas/yr] 41.05150965 (0.06) 40.89634676 (0.1) 41.052 (0.06) 40.89634676 40.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 17.20
R magnitude
I magnitude
J magnitude 16.79 (0.2) 16.79 (0.2)
H magnitude
K magnitude
u magnitude 17.00 (0.008) 17.00 (0.008) 17.00 (0.008) 17.00 (0.008) 17.01 (0.02) 16.98 17.01 (0.02)
g magnitude 16.83 (0.004) 16.83 (0.004) 16.83 (0.004) 16.87 (0.02) 16.86 16.87 (0.02)
r magnitude 16.95 (0.005) 16.95 (0.005) 16.95 (0.005) 16.96 (0.03) 16.95 16.95 (0.03)
i magnitude 17.06 (0.006) 17.06 (0.006) 17.06 (0.006) 17.07 (0.02) 17.07 17.07 (0.02)
z magnitude 17.20 (0.01) 17.20 (0.01) 17.20 (0.01) 17.21 (0.02) 17.22 17.22 (0.02)
G magnitude 16.86 (0.004) 16.88 16.86 16.86 (0.003) 16.88
BP magnitude 16.90 (0.004) 16.90 16.90
RP magnitude 16.78 (0.01) 16.78 16.78
Pan g magnitude 16.88 (0.003) 16.88 (0.003)
Pan r magnitude 16.95 (0.002) 16.95 (0.002)
Pan i magnitude 17.10 (0.004) 17.10 (0.004)
Pan z magnitude 17.24 (0.007) 17.24 (0.006)
Pan y magnitude 17.36 (0.006) 17.36 (0.005)
E(B-V) 0.006

* 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.