... spectra of this optically combined source confirm the presence of red-shifted H-alpha emission line of extragalactic nature ... feature around 6700 е. Assuming this emission to be due to H-alpha, the measured redshift is Z=0.019, which is in agreement ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/D32_Khamitov01-04Oct06_10:26:31.pdf -- 635.3 Кб -- 04.10.2006 Похожие документы
... For all these X-ray sources we found optical objects with bright emission lines of H-alpha, [O III], [N II] and line intensities ratio corresponding to active galactic nuclei. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/D31_Bikmaev01-05Feb07_11:12:42.pdf -- 102.9 Кб -- 05.02.2007 Похожие документы