... associated with radio galaxies and radio-loud quasars) at two levels of flux density ... radio sources associated with radio galaxies and radio-loud quasars ( Leahy (1993 ...
... Variable radio spectra of some quasars and galaxies had been earlier explained by ... the total and polarized flux density of the quasars 3C 273B by Gomez et al. (1993b ...
... October 6, 2013 "Standard" quasar-like AGN "Standard" AGN have: · · · · · Luminous ... 5007 - corrected for reddening using H /H line ratio calibrated using quasars (cf ...
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Ссылки http://www.mrao.cam.ac.uk/galevol/best_longairconf_2013.pdf -- 1111.3 Кб -- 06.10.2013 Похожие документы
... observational evidence of a fine-structure constant that was smaller in the past as measured in quasar absorption systems ... variations of up to O(10-3) at z 1100 (to be contrasted with the variation measured in quasar absor ption systems (Webb et al ...
... within about 1 0 of this decrement, lie two radio quiet quasars both at z = 2:561 ... The MDS did reveal two quasars separated by ! 1 Mpc with m v = 18:4 and 21:0. ... We suggest that these quasars may be associated with a cluster of galaxies ...
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Ссылки http://www.mrao.cam.ac.uk/ppeuc/astronomy/papers/partridge.ps -- 1402.0 Кб -- 25.07.1997 Похожие документы
... 09:45-10:00 . Bram Venemans . The host galaxies of the most distant quasars . 10:00-10:15 . Manda Banerji . ... Manda Banerji . A New Population of Hyperluminous Dusty Quasars with Massive Starburst Host Galaxies at z~2 . 10:15-10:30 . ...
... Variable radio spectra of some quasars and galaxies had been earlier explained by ... the total and polarized flux density of the quasars 3C 273B by Gomez et al. (1993b ...
... Quasars are the natural choice at low frequencies, but at submillimetre wavelengths, planets are much brighter. ... We used both quasars (3C279) and planets (Mars and Venus) as our sources, and each map took approximately 3 minutes to make. ...
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Ссылки http://www.mrao.cam.ac.uk/~bn204/mk2/publications/2002/ursi-oof.pdf -- 150.6 Кб -- 25.11.2009 Похожие документы