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

Nov, 2005
7 pages
Published in:
  • Astron.Astrophys. 448 (2006) 181-187
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Abstract: (arXiv)
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.
  • CIRCUMSTELLAR MATTER
  • STARS MASS-LOSS
  • RADIATIVE TRANSFER
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