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- W24795909 abstract "We searched the HST Science Archive for the nuclei of elliptical galaxies with images obtained in different epochs, to detect the presence of far-ultraviolet variability. We found multi-epochs observations only for the elliptical galaxy NGC 4278. It hosts a barely resolved nuclear source which increased its UV flux by a factor 4 between June 1994 and January 1995. The properties of the UV flare of NGC 4278 are remarkably similar to the UV-bright nuclear transients discovered earlier in other low-luminosity AGNs. This supports the idea that UV flaring near the center of galaxies may be a common event and offers a way to search for black-hole-related activities in otherwise quiescent galaxies." @default.
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- W24795909 date "2007-01-01" @default.
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- W24795909 title "Ultraviolet variability in the nucleus of the elliptical galaxy NGC 4278 ." @default.
- W24795909 hasPublicationYear "2007" @default.
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