Near-IR/optical monitoring programme of the 'Arecibo sample of OH/IR stars'

Details Near-IR/optical monitoring programme of the 'Arecibo sample of OH/IR stars' Near-IR/optical monitoring programme of the 'Arecibo sample of OH/IR stars'

2006-10-31

arxiv.org/abs/astro-ph/0610957v2

Astronomy and Astrophysics

Astrophysics

2 pages, 1 figure, Proceeding of the conference Why Galaxies Care About AGB Stars, held in Vienna, Austria (7-11 August 2006),

Scientific paper

We performed a near-IR/optical monitoring programme from 1999 to 2005 in order to study the variability properties of the 'Arecibo sample of OH/IR stars' (periods, amplitudes, and colour variations). Here we describe this multi-wavelength long-term monitoring programme. Data analysis is still in process. Our ultimate goal is to study in particular the oxygen-rich AGB stars with masses larger than 2 Solar Mass, which are probably rare among AGB stars discovered optically and/or in the near-IR, but are common in samples discovered in the mid- to far-IR.

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