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SDSS J1553+0056: A BALQSO mimicking a Lyman-break galaxy | | I. Appenzeller
; O. Stahl
; C. Tapken
; D. Mehlert
; S. Noll
; | | Date: |
10 Feb 2005 | | Subject: | astro-ph | | Abstract: | Using the UVES echelle spectrograph at the ESO VLT we obtained high-resolution (R = 40 000) spectra of the object SDSS J1553+0056, which has been identified in the literature alternatively as a high-redshift quasar or as a Lyman-break galaxy (LBG). Although low-resolution spectra of SDSS J1553+0056 closely resemble those of LBGs, our high-resolution spectra allow us to identify this object unambiguously as a LoBAL quasar, probably belonging to the rare FeLoBALQSO class. Based on our spectrum we discuss how misidentifications of such objects from low-resolution spectra can be avoided. | | Source: | arXiv, astro-ph/0502207 | | Services: | Forum | Review | PDF | Favorites | |
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