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First Results of a Near IR Monitoring Program of OH/IR Stars

Published online by Cambridge University Press:  07 August 2017

P. García-Lario ,
D. Engels  and
A. Manchado
P. García-Lario
Affiliation:
LAEFF - Estación de Villafranca del Castillo. Apdo. 50727. E-28080 Madrid (Spain)
D. Engels
Affiliation:
Hamburger Sternwarte. Gojenbersweg 112. D-2050 Hamburg 80 (Germany)
A. Manchado
Affiliation:
Instituto de Astrofísica de Canarias. E-38200, La Laguna, Tenerife (Spain)

Abstract

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We present the first results of a long-term monitoring program of observations in the near infrared of a selected sample of OH/IR stars included in the IRAS Point Source Catalogue. The observations have been made using the 1.5m Sanchez Magro Telescope (SMT) at Izaña (Tenerife, Spain) since the beginning of 1991 and are still in progress. They are being complemented with observations made using the 1m ESO photometric telescope (La Silla, Chile). The sample includes 30 OH/IR stars with a variety of infrared and OH maser luminosities, expansion velocities, LRS classes and position in the IRAS two-colour diagram.

Type
IV. Planetary Nebulae Connection: Evolution from the AGB
Information
Symposium - International Astronomical Union , Volume 155: Planetary Nebulae , 1993 , pp. 330
Copyright
Copyright © Kluwer 1993