Astron. Astrophys. Suppl. Ser. 130, 133-140

UBV polarimetry of 361 A- and F-type stars in selected areas^,

A. Reiz¹ - G.A.P. Franco²

Send offprint request: G.A.P. Franco

Niels Bohr Institute for Astronomy, Physics and Geophysics, Juliane Maries Vej 30, DK 2100, Copenhagen Ø, Denmark - Departamento de Física, ICEx, UFMG, Caixa Postal 702, 30.161-970, Belo Horizonte, MG, Brazil

Received August 27; accepted November 26, 1997

Abstract:

We present simultaneous UBV linear polarization measurements for 361 A- and F-type stars with accurate colour excess and distance determination. These stars are distributed in 35 Kapteyn's Selected Areas, covering the third and fourth quadrants of the galactic plane ($\vert b\vert \le 30\hbox{$^\circ$}$). The obtained polarization and the known colour excess are compared. An analysis of the polarization distribution as a function of the stellar distance is also performed.

Key words: polarization -- interstellar medium: dust, extinction -- stars: general -- catalogs