B3 Non-refereed article in a conference publication
ESO VLT Optical Spectroscopy of BL Lac Objects IV
Authors: Sbarufatti B, Treves A, Decarli R, Veronesi A, Kotilainen JK, Ciprini S, Falomo R, Romano P
Publication year: 2010
Book title : Accretion and Ejection in AGN: a Global
Journal name in source: ACCRETION AND EJECTION IN AGN : A GLOBAL VIEW
Journal acronym: ASTR SOC P
Volume: 427
First page : 213
Last page: 214
Number of pages: 2
ISBN: 978-1-58381-734-6
Abstract
Among Active Galactic Nuclei BL Lacertae objects are characterized by the extreme weakness or complete absence of lines in their optical spectra. This hinders the measurement of their redshift, making it difficult to model and study the intrinsic properties of this class of objects. Here we report new results from an ongoing program of high S/N optical spectroscopy of BL Lacs performed with the ESO VLT under non-optimal sky conditions.
Among Active Galactic Nuclei BL Lacertae objects are characterized by the extreme weakness or complete absence of lines in their optical spectra. This hinders the measurement of their redshift, making it difficult to model and study the intrinsic properties of this class of objects. Here we report new results from an ongoing program of high S/N optical spectroscopy of BL Lacs performed with the ESO VLT under non-optimal sky conditions.
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