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Description
English: Optical spectrum of the BL Lac object PG 1553+11 obtained with VLT + FORS1.

Flux calibrated dereddened (upper panel) and normalized (lower panel) spectrum.

Other examples of optical spectra of BL Lacs can be fout at the web pages: http://www.oapd.inaf.it/zbllac/
Date Original Umpload: 10 aug 2006
Source en:Image:Fig1553.jpg
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Optical spectrum of the BL Lac object PG 1553+11

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spectroscopy

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current19:59, 1 May 2007Thumbnail for version as of 19:59, 1 May 2007517 × 606 (100 KB)Ignacio Icke{{Information |Description={{en|Optical spectrum of the BL Lac object PG 1553+11 obtained with VLT + FORS1. Flux calibrated dereddened (upper panel) and normalized (lower panel) spectrum. Other examples of optical spectra of BL Lacs can be fout at the we

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