Spectral observations of big objects

Details Spectral observations of big objects Spectral observations of big objects

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap.....53..483m&link_type=abstract

Astrophysics, Volume 53, Issue 4, pp.483-489

Astronomy and Astrophysics

Astrophysics

Galaxies: Spectra: Active Nuclei

Scientific paper

This is a summary and general analysis of optical spectroscopic data on 172 BIG (Byurakan-IRAS Galaxies) objects obtained with the BAO 2.6-m, SAO 6-m, and OHP 1.93-m telescopes. 102 galaxies with star formation regions, 29 galaxies with active nuclei, and 19 galaxies with a composite spectrum were identified. The spectra of 12 of the galaxies show signs of emission, but without the possibility of a more precise determination of their activity class, 9 galaxies appear to have star formation rates that do not exceed normal, and 1 is an absorption galaxy. In order to establish the nature of these galaxies and the place they occupy in the general picture of the evolution of the universe, we compare them with 128 infrared galaxies.

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