... NGC 4013 is a spiralgalaxy, similar to our own Milky Way, lying some 55 million light-years from Earth in the direction of the constellation Ursa Major. ...
... images in visible and infrared light reveals how the barred spiralgalaxy NGC 1365 is feeding material into its central region ... A barred spiral is characterized by a lane of stars, gas, and dust slashing across a galaxy's central region. ...
... Steidel also was somewhat surprised to discover that the galaxy is an elliptical, rather than a spiral. ... The "disturbed-looking" double spiralgalaxy above the quasar also is in the foreground. ...
... with Mtot > 1.4 M (Livio & Riess 2003) Calibration: SN Rates two model galaxies · · · · · · Two simple galaxy models: spiral & elliptical SpiralGalaxy: Z=0.02, constant star formation history for 10 Gyr Elliptical Galaxy: Z=0.002, starburst at t=0 Kroupa ...
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Ссылки http://www.arcetri.astro.it/~filippo/snrate08/Contributions_files/ruiter.pdf -- 1586.3 Кб -- 03.06.2008 Похожие документы
... PR Photo 46i/99 is of a typical spiralgalaxy and PR Photo 46j/99 shows another with a strange structure, also in this field. ... In addition, there are many spiralgalaxies ; two are shown in PR Photo 46i/99 and PR Photo 46j/99 . ...
... universe approximately 65% of all galaxies are spirals, 32% are ellipticals and 4 ... The shaded regions show the con dence interval for irregulars and spiralsgalaxies. ...
... stars visible on a clear night, orbits the center of our home galaxy, a spiral disk of 200 billion stars we call the Milky Way ... It is a spiralgalaxy like the Milky Way but is 4 times as massive and is 2 million light years away. ...
... This is certainly true for this new image of the famous early-type spiralgalaxy Messier 104 , widely known as the "Sombrero" (the Mexican hat) because of its particular shape. ...
... to-gas mass ratio and metallicity gradients in four Virgo spiralgalaxies L. Magrini1 ,S.Bianchi1 , E. Corbelli1 , L. Cortese3 ... Key words. galaxies: spiral galaxies: abundances submillimeter: galaxies galaxies: ISM dust, extinction 1. ...