Variation of the profiles of medium-strong photospheric lines with heliographic latitude |
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| Authors: | B. Caccin R. Falciani A. Donati Falchi |
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| Affiliation: | (1) Osservatorio astronomico di Capodimonte, Via Moiariello 16, I 80131 Napoli, Italy;(2) Istituto di Fisica sperimentale dell' Università di Napoli, Napoli, Italy;(3) Osservatorio astrofisico di Arcetri, Largo Fermi 5, I 50125 Firenze, Italy |
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| Abstract: | The asymmetric profiles of 11 metallic lines are studied, at  = 0.3, as functions of  . Their variations cannot be interpreted as due to temperature effects, but might imply a dependence on of the photospheric velocity field.This work has been supported by the CNR through the Gruppo Nazionale di Astronomia. |
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