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Spectropolarimetric search for hidden active galactic nuclei in four southern ultraluminous infrared galaxies |
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| Authors: | C Pernechele S Berta A Marconi C Bonoli A Bressan A Franceschini J Fritz E Giro |
| Institution: | Astronomical Observatory of Padova, vicolo Osservatorio 5, I-35122 Italy;Department of Astronomy, University of Padova, vicolo Ossevatorio 2, I-35122 Italy;Astronomical Observatory of Firenze, Largo E. Fermi 5, I-50125 Italy |
| Abstract: | |
| Keywords: | galaxies: individual: IRAS 19254?7245 (The Superantennae) galaxies: individual: IRAS 20100?4156 galaxies: individual: IRAS 20551?4250 galaxies: individual: IRAS 22491?1808 |