... While the bright end of the HMM LF at z = 1 is dominated by actively starforming galaxies, in the K20 sample it is dominated by the passively evolving galax- ies. ...
... galaxies, known as Hickson Compact Group 87 (HCG 87), is performing an intricate dance orchestrated by the mutual gravitational ... A third group member, the nearby spiral galaxy 87c, may be undergoing a burst of active star formation. ...
... The galaxy's image is brightened, magnified, and smeared into an arc-shape by the gravitational influence of the intervening galaxy cluster, which acts like a gigantic lens. ...
... restframe UV spectra of these galaxies indicate that they are actively starforming ... correlation shown by Ranalli et al. (2003) for actively starforming galaxies ...
... Supermassive Black Holes in Galactic Nuclei: Black Hole Masses and Host Galaxy Properties; Cosmological Evolution of Supermassive Black Holes and Active Galactic Nuclei . ...
... galaxies, as revealed by the fact that they are hard X-ray sources, which suggests ... dependence of the MgUV feature for passive as well as active star-forming galaxies ...
... Accreting super-massive black holes at the center of galaxies (referred to as Active Galactic Nuclei or Quasars if particularly energetic) are thought to have a significant influence on galaxy evolution, despite their much smaller size with respect to ...
... M > 1011 M galaxies at z 2 23 , suggesting that while the most massive galaxies in the lo cal universe are now old ob jects with no or weak star formation, by z 2 passive and active star-forming massive galaxies co exist in nearly equal numb er ...
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Ссылки http://www.arcetri.astro.it/science/k20/papers/og_final.pdf -- 264.2 Кб -- 30.11.2004 Похожие документы