The mid- and far-infrared colours of AGB and post-AGB stars

Details The mid- and far-infrared colours of AGB and post-AGB stars The mid- and far-infrared colours of AGB and post-AGB stars

2005-11-16

arxiv.org/abs/astro-ph/0511475v1

Astron.Astrophys.448:181-187,2006

Astronomy and Astrophysics

Astrophysics

A&A, accepted: 27 October 2005

Scientific paper

10.1051/0004-6361:20054163

With the advent of space missions, like SPITZER and ASTRO-F, with sensitive detectors in the near- and mid-infra red covering a reasonable field-of-view and having a good spatial resolution, it will be possible to detect individual AGB stars in Local Group galaxies. The filters used by these missions are non-standard and different from mission to mission. In this paper, the colours of mass-losing AGB and post-AGB stars are calculated in the broad-band filters of the SPITZER and ASTRO-F missions, as well as Bessell V,I and 2MASS J,H,K to connect these results to existing ground-based data. The models are calculated for carbon- and oxygen-rich chemistry and cover different effective temperatures and dust compositions.

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