| Issue |
A&A
Volume 448, Number 1, March II 2006
|
|
|---|---|---|
| Page(s) | 181 - 187 | |
| Section | Galactic structure, stellar clusters, and populations | |
| DOI | https://doi.org/10.1051/0004-6361:20054163 | |
| Published online | 17 February 2006 | |
The mid- and far-infrared colours of AGB and post-AGB stars
Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, Celestijnenlaan 200B, 3001 Leuven, Belgium e-mail: groen@ster.kuleuven.be
Received:
6
September
2005
Accepted:
27
October
2005
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 
and 2MASS 
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.
Key words: stars: circumstellar matter / stars: mass-loss / stars: AGB and post-AGB
© ESO, 2006
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