Effective temperatures from A5 to G5 spectral types, using Balmer line profiles

Details Effective temperatures from A5 to G5 spectral types, using Balmer line profiles Effective temperatures from A5 to G5 spectral types, using Balmer line profiles

1998-05-06

arxiv.org/abs/astro-ph/9805056v1

Astronomy and Astrophysics

Astrophysics

5 pages, 1 figure, to appear in: Proc. of the 26th workshop of the European Working Group on CP stars, eds. P. North, A. Schne

Scientific paper

We show how previous works (Fuhrmann et al., van 't Veer-Menneret & Megessier) demonstrate the efficiency of the use of Balmer line profiles for effective temperature determination. In agreement with them, we insist on the physical interest of this method based on the behaviour of these lines with the variations of the parameters involved in the treatment of the convective transport. The comparison between Fuhrmann's results and ours, independently obtained, exhibits a quite good agreement. We show new results of effective temperature, gravity and metallicities for a few of our programme stars, ranging from solar to overabundant metallicities.

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