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Mid-infrared, spatially resolved spectroscopy of the nucleus of the Circinus galaxy

Abstract:

High spatial resolution spectroscopy at 8-13 μm with T-ReCS on Gemini-S has revealed striking variations in the mid-infrared emission and absorption in the nucleus of the Circinus galaxy (hereafter Circinus) on subarcsecond scales. The core of Circinus is compact and obscured by a substantial column of cool silicate dust. Weak extended emission to the east and west coincides with the coronal line region and arises from featureless dust grains which are probably heated by line emission in the ...

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Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
367
Issue:
4
Pages:
1689-1698
Publication date:
2006-04-01
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Source identifiers:
521
Language:
English
Keywords:
Pubs id:
pubs:521
UUID:
uuid:abf264a3-6beb-41d2-8ed2-4288fd0e9816
Local pid:
pubs:521
Deposit date:
2012-12-19

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