Observations of Bn and An stars: New Be stars

Free access article

Issue		Astron. Astrophys. Suppl. Ser. Volume 134, Number 2, January II 1999


Page(s)		359 - 364
DOI		http://dx.doi.org/10.1051/aas:1999144

DOI: 10.1051/aas:1999144

Astron. Astrophys. Suppl. Ser. 134, 359-364

K.K. Ghosh^1,2, K.M.V. Apparao³ and S. Pukalenthi¹

Send offprint request: K.K. Ghosh

¹Indian Institute of Astrophysics, Vainu Bappu Observatory, Kavalur, Alangayam, Vellore, TN 635 701, India
²Space Sciences Laboratory, NASA/Marshall Space Flight Center, Mail Code ES84, Huntsville, AL 35812, U.S.A.
³Department of Physics, University of Bombay, Bombay 400 098, India
e-mail: kajal.ghosh@msfc.nasa.gov and aprao@tifrvax.tifr.res.in

Received August 10; accepted August 24, 1998

Abstract:

From a survey of spectra of Bn/An stars, we have detected seven new Be stars: HR 1056 (A0Vn), 1544 (A1Vn), 2191 (A0Vnn), 2300 (B8Vn), 3134 (B9.5 Vn), 3878 (B0.5 IIIn) and 4552 (B9IIIpSi). H $_\alpha$ profiles of these stars are presented. Measured values of equivalent widths, full widths at half intensity maximum, and the peak-separations of the H $_\alpha$ emission profiles are also tabulated in this paper. We have also computed the radii of emission disks of the newly detected Be stars.

Key words: stars: emission-line, Be

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