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FUNDAMENTAL PARAMETERS AND CHEMICAL COMPOSITION OF ARCTURUS

FUNDAMENTAL PARAMETERS AND CHEMICAL COMPOSITION OF ARCTURUS

We derive a self-consistent set of atmospheric parameters and abundances of 17 elements for the red giant star Arcturus: Teff = 4286+/-30 K, logg = 1.66+/-0.05, and [Fe/H] = -0.52+/-0.04. The effective temperature was determined using model atmosphere fits to the observed spectral energy distribution from the blue to the …