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A Post-AGB star in the small magellanic cloud observed with the Spitzer Infrared spectrograph

Kraemer, Kathleen E; Sloan, G C; Bernard-Salas, J; Price, Stephan D; Egan, Michael P; Wood, Peter R

Description

We have observed an evolved star with a rare combination of spectral features, MSX SMC 029, in the Small Magellanic Cloud (SMC) using the low-resolution modules of the Infrared Spectrograph on the Spitzer Space Telescope. A cool dust continuum dominates the spectrum of MSX SMC 029. The spectrum also shows both emission from polycyclic aromatic hydrocarbons (PAHs) and absorption at 13.7 μm from C2H2, a juxtaposition seen in only two other sources, AFGL 2688 and IRAS 13416-6243, both...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/21077
Source: Astrophysical Journal, The
DOI: 10.1086/509778

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