Image:Fig1553.jpg

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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/
Source

en:Image:Fig1553.jpg
Date

Original Umpload: 10 aug 2006
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Public domain This image has been (or is hereby) released into the public domain by its author, Rfalomo at the English Wikipedia project. This applies worldwide.

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current19:59, 1 May 2007517×606 (100 KB)Chabacano ({{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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