SIMBAD references

1999A&A...346..843T - Astronomy and Astrophysics, volume 346, 843-860 (1999/6-3)

ISO observations of obscured Asymptotic Giant Branch stars in the Large Magellanic Cloud.

TRAMS N.R., VAN LOON J.T., WATERS L.B.F.M., ZIJLSTRA A.A., LOUP C., WHITELOCK P.A., GROENEWEGEN M.A.T., BLOMMAERT J.A.D.L., SIEBENMORGEN R., HESKE A. and FEAST M.W.

Abstract (from CDS):

We present ISO photometric and spectroscopic observations of a sample of 57 bright Asymptotic Giant Branch stars and red supergiants in the Large Magellanic Cloud, selected on the basis of IRAS colours indicative of high mass-loss rates. PHOT-P and PHOT-C photometry at 12, 25 and 60µm and CAM photometry at 12µm are used in combination with quasi-simultaneous ground-based near-IR photometry to construct colour-colour diagrams for all stars in our sample. PHOT-S and CAM-CVF spectra in the 3 to 14µm region are presented for 23 stars. From the colour-colour diagrams and the spectra, we establish the chemical types of the dust around 49 stars in this sample. Many stars have carbon-rich dust. The most luminous carbon star in the Magellanic Clouds has also a (minor) oxygen-rich component. OH/IR stars have silicate absorption with emission wings. The unique dataset presented here allows a detailed study of a representative sample of thermal-pulsing AGB stars with well-determined luminosities.

Abstract Copyright:

Journal keyword(s): stars: carbon - stars: circumstellar matter - stars: mass-loss - stars: AGB and post-AGB - galaxies: Magellanic Clouds - infrared: stars

CDS comments: Tables 1 and 2 : WOH SG are WOH S in SIMBAD.

Simbad objects: 61

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