The Henize sample of S stars

Free access article

Issue		Astron. Astrophys. Suppl. Ser. Volume 145, Number 1, July 2000


Page(s)		51 - 65
DOI		http://dx.doi.org/10.1051/aas:2000349

DOI: 10.1051/aas:2000349

Astron. Astrophys. Suppl. Ser. 145, 51-65

II. Data

S. Van Eck^1,2 - A. Jorissen¹ - S. Udry³ - M. Mayor³ - G. Burki³ - M. Burnet³ - R. Catchpole^4,5

Send offprint request: S. Van Eck, e-mail: svaneck@eso.org

1 - Institut d'Astronomie et d'Astrophysique, Université Libre de Bruxelles, CP. 226, Boulevard du Triomphe, B-1050 Bruxelles, Belgium
2 - European Southern Observatory, Karl-Schwarzschild Strasse 2, D-85748 Garching bei München, Germany
3 - Observatoire de Genève, CH-1290 Sauverny, Switzerland
4 - S.A. Astronomical Observatory, P.O. Box 9, Observatory 7935, South Africa
5 - Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK

Received December 9, 1999; accepted April 22, 2000

Abstract:

This paper presents data collected on the Henize sample of 205 S stars: (i) CORAVEL radial-velocity data; (ii) photometric data in the UBV bands of the Geneva photometric system; (iii) photometric data in the JHKL bands of the SAAO photometric system; (iv) IRAS fluxes; (v) low-resolution spectra of 158 S stars. Close visual companions have been found for Hen 47, 94, 105 and 155. Spectroscopic orbital elements are provided for Hen 2, 108, 121, 137 and 147. The analysis of these data is presented in a companion paper.

Key words: stars: late-type -- stars: AGB and post-AGB -- stars: evolution -- binaries: symbiotic -- binaries: visual -- binaries: spectroscopic

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