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The History and Environment of a Faded Quasar: Hubble Space Telescope observations of Hanny's Voorwerp and IC 2497

Abstract:

We present Hubble Space Telescope imaging and spectroscopy for the extended high-ionization cloud known as Hanny's Voorwerp, near the spiral galaxy IC 2497. WFC3 images show complex dust absorption near the nucleus of IC 2497. STIS spectra show a type 2 Seyfert AGN of rather low luminosity. The ionization parameter log U = -3.5 is in accord with its weak X-ray emission. We find no high-ionization gas near the nucleus, adding to evidence that the AGN is currently at low radiative output (perha...

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Publication status:
Published

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Publisher copy:
10.1088/0004-6256/144/2/66

Authors


Lintott, CJ More by this author
Schawinski, K More by this author
Bennert, VN More by this author
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Journal:
ASTRONOMICAL JOURNAL
Volume:
144
Issue:
2
Pages:
66-66
Publication date:
2012-06-17
DOI:
EISSN:
1538-3881
ISSN:
0004-6256
URN:
uuid:c2951584-5162-4a28-a2dd-0fd016fe1fe4
Source identifiers:
340087
Local pid:
pubs:340087
Language:
English
Keywords:

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