2QZ J144544.7-013634

All names: WD 1443-013, Gaia DR2 3650454436159971072, 2QZ J144544.7-013634, SDSS J144544.76-013633.9, Gaia EDR3 3650454436159971072, SDSS J144544.76-013633.8, Gaia DR3 3650454436159971072

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 45 44.76 (0.4) 14 45 44.76 14 45 44.76 (0.5) 14 45 44.76 (0.4) 14 45 44.76 14 45 44.93 14 45 44.76
Declination -01 36 33.92 (0.3) -01 36 33.86 -01 36 33.92 (0.6) -01 36 33.84 (0.3) -01 36 33.87 -01 36 29.16 -01 36 33.89
Spectral type DA DA DA DA_auto DA DA DA
Effective temperature [K] 54981.0 (3762) 25419.0 65540.0 (5966) 62765.0 (5706)
log(g) [cgs] 7.44 (0.2) 7.42 8.24 (0.4) 7.95 (0.4)
Mass [M] 0.48 (0.08) 0.387 0.68 (0.2)
log(Luminosity) [L] 0.60 (0.2)
Cooling age [Gyr] 0.0002 (0.0002) 0.0158
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] 1.40 (0.5) 0.94 (0.6) 1.40 (0.5)
Distance [pc] 715.15 (230) 1060.17 (684) 715.15 (230)
Composition H H
Proper motion (right ascension) [mas/yr] -3.016218157 (0.5) -3.274857987 (0.9) -3.016 (0.5) -5.3
Proper motion (declination) [mas/yr] -4.792468268 (0.4) -3.043064653 (0.9) -4.792 (0.4) -14.8
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.32
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.88 (0.02) 18.88 (0.02) 18.87 (0.02) 18.87 18.89 (0.02)
g magnitude 19.25 (0.01) 19.25 (0.01) 19.27 (0.02) 19.27 19.27 (0.02)
r magnitude 19.70 (0.02) 19.70 (0.02) 19.72 (0.02) 19.71 19.71 (0.02)
i magnitude 20.05 (0.03) 20.05 (0.03) 20.07 (0.03) 20.06 20.06 (0.03)
z magnitude 20.39 (0.2) 20.39 (0.2) 20.33 (0.2) 20.32 20.32 (0.2)
G magnitude 19.52 (0.05) 19.58 19.52 (0.005)
BP magnitude 19.44 (0.05) 19.29
RP magnitude 19.84 (0.1) 19.43
Pan g magnitude 19.35 (0.01)
Pan r magnitude 19.77 (0.02)
Pan i magnitude 20.13 (0.01)
Pan z magnitude 20.37 (0.04)
Pan y magnitude 20.45 (0.2)
E(B-V) 0.048

* 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.