Monitoring OH/IR stars at the 1-m telescope

Details Monitoring OH/IR stars at the 1-m telescope Monitoring OH/IR stars at the 1-m telescope

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988msngr..51...24l&link_type=abstract

ESO Messenger (ISSN 0722-6691), March 1988, p. 24, 25.

Astronomy and Astrophysics

Astronomy

6

Hydroxyl Emission, Infrared Sources (Astronomy), Light Curve, Asymptotic Giant Branch Stars, Cosmic Dust, Southern Sky, Telescopes

Scientific paper

OH/IR star monitoring at the 1-m telescope is described with particular attention given to the following objects: OH/IR 285.05 + 0.07 and OH/IR 286.50 + 0.06. With a period of about 550 days, OH/IR 286.50 + 0.06 is believed to be an extreme member of the Mira class at the top of the asymptotic giant branch. It is found that the light curve of OH/IR 285.05 + 0.07 contains irregularities. Moreover, it exhibits a linear variation for about 500 days followed by a plateau lasting at least 250 days.

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