- Abstract:
-
VLT J- to M'-band adaptive optics observations of the Circinus galaxy on parsec scales resolve a central bright Ks-band source with a FWHM size of 1.9 ± 0.6 pc. This source is only visible at wavelengths longward of 1.6 μm and coincides in position with the peak of the [Si VII] 2.48 μm coronal line emission. With respect to the peak of the central optical emission, the source is shifted by ∼0″15 (2.8 pc) to the southeast. Indeed, the Ks-band source defines the vertex of a fairly collimated be...
Expand abstract - Publisher copy:
- 10.1086/423422
-
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- Publisher:
- Institute of Physics Publishing
- Journal:
- Astrophysical Journal
- Volume:
- 614
- Issue:
- 1 I
- Pages:
- 135-141
- Publication date:
- 2004-10-10
- DOI:
- EISSN:
-
1538-4357
- ISSN:
-
0004-637X
- URN:
-
uuid:a6b42c07-e457-4f6b-a575-69b059ad5b75
- Source identifiers:
-
190208
- Local pid:
- pubs:190208
- Language:
- English
- Keywords:
- Copyright date:
- 2004
Journal article
Unveiling the central parsec region of an active galactic nucleus: The circinus nucleus in the near-infrared with the very large telescope
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