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1. HyperLEDA documentation: HyperLEDA: catalogue of agnclass (a109)
Catalogue of agn classification . HyperLeda home | Documentation | ... This catalogue (table a109 in the database) presents the compilation of the activity classification of objects. ... AGNCLASS . ... Have very high luminosities (Mabs<-23) and broad emission lines (FWHM=5,000- 30,000km/s) with a large red-shift ( VCV-12 ). ... Broad-line Seyfert 1. Have broad permitted Balmer HI lines (FWHM=1000-10000km/s, typical is 2000-6000km/s) and narrow forbidden lines (FWHM=300-1000km/s). ...
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Ссылки http://www.sao.ru/fetch/HL/leda/rawcat/a109.html -- 17.2 Кб -- 23.12.2013
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2. New Polar Ring Galaxies
... Galaxies with polar rings (PRGs) are a unique class of extragalactic objects, consisting of a ring or disk of gas, stars and dust orbiting in a plane nearly perpendicular to the disk of a central galaxy. ... At present, there are only about two dozen kinematically confirmed galaxies in this PRG class, mostly from the Whitmore et al. (1990) catalogue, based on photographic images. ... Examples of object from our catalogue SPRC (=SDSS-based Polar Ring Catalogue). ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/2011/Moiseev/ -- 5.2 Кб -- 02.10.2012
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3. Informational system "Evolution of RG"
The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...
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4. Search for distant radio galaxies in SAO
... The search for distant objects which can be both galaxies and quasars is one of the most important problems of observational astrphysics, because it allows one to determine cosmological parameters connected with the time of appearence and evolution of stellar systems, large scale structure of the Universe. ... Radio galaxies are important objects to be studied because they are sources of infrared-optical-ultraviolet continuum, emission lines and continual radio emission. ...
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Ссылки http://www.sao.ru/hq/lran/vo/hzrgE.html -- 9.3 Кб -- 01.10.2012
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