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A UV flare at the center of the elliptical galaxy NGC 4552

Abstract:

A self-consistent analysis of near-UV, HST/FOC images of the elliptical galaxy NGC 4552 is used to show that its central spike has brightened by a factor similar to 4.5 between 1991 and 1993, and has decreased its luminositv by a factor similar to 2.0 between 1993 and 1996. A strong UV continuum over the energy distribution of the underlying galaxy is concurrently revealed shortward of lambda similar to 3200 Angstrom by our FOS spectra extending from the near-UV to red wavelengths. Nuclear em...

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Publication status:
Published

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Authors


Bertola, F More by this author
Burstein, D More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Alighieri, SD More by this author
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Issue:
194
Pages:
389-393
Publication date:
1999
ISSN:
0074-1809
URN:
uuid:1ae850c8-0277-4d2f-8f3a-ae004e361a0b
Source identifiers:
17417
Local pid:
pubs:17417
ISBN:
1-58381-008-0

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