Cannabaceae

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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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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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One thought on “Cannabaceae

  1. Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
    View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction

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