... while the ionized gas shells are similar for the three regions, the neutral hydrogen ... stars are hot enough to ionizehydrogen, thereby producing the beautiful nebulae ...
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Ссылки http://www.atnf.csiro.au/the_atnf/annual_reports/2000/2000_AnnualReport.pdf -- 1644.7 Кб -- 29.11.2011 Похожие документы
... Indeed, the hydrogen-ionizing flux of a star cluster gradually decreases as the most massive stars disappear with time, and hence the absolute value of the width of H decreases with time (see Papers I and II). ...
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Ссылки http://www.atnf.csiro.au/people/Angel.Lopez-Sanchez/papers/MSFinWRG_III_29apr09_editors.pdf -- 752.5 Кб -- 30.04.2010 Похожие документы
... evidence for jets: Molecular outflows Shock excited gas emission (e.g. G.F., SiO, H2) Ionized jets and HCHIIR 6) Velocity broadening of hydrogen RRLs Until now, the velocity width of hydrogen RRLs of regions classified as HC rarely goes above 100 km/s ...
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Ссылки http://www.atnf.csiro.au/research/hypercompact/talks/aguzman_hchiir.pdf -- 614.4 Кб -- 08.09.2010 Похожие документы
... The hydrogenionizing flux of a star cluster gradually decreases as the most massive stars disappear with time, and hence the width of H decreases with time (see Papers I, II and III). ...
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Ссылки http://www.atnf.csiro.au/people/Angel.Lopez-Sanchez/papers/MSFinWRG_IV_18mar10_ACCEPTED.pdf -- 1209.2 Кб -- 05.05.2010 Похожие документы
... FIGU EROA , N . S . et al. " War ped ionizedhydrogen in the Gala x y ". ApJ , 699, 469- 47 7 (20 09) . 39 *CHEN , M .T., .... , K ESTE VEN , M . ...
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Ссылки http://www.atnf.csiro.au/news/newsletter/oct09/ATNFnews_Oct09_lowres.pdf -- 2022.5 Кб -- 23.11.2009 Похожие документы
... The interstellar clouds that this survey targeted are so cold that they are made up molecules of hydrogen, rather than much warmer clouds where the hydrogen may be atomic or ionized. ...
... This motivates two of the major questions in extragalactic astronomy: (i) when and where did the first luminous sources form? (ii) When and how did these sources re-ionize the neutral hydrogen and helium throughout the Universe? ...
... Neutral Hydrogen Gas in Interacting Galaxies: . The NGC 6221 / 6215 galaxy group . ... 1996, in the ``The Minnesota Lectures on Extragalactic Neutral Hydrogen'' , ASP Conf ...
... Large-scale neutral hydrogen distribution and mean velocity field of the Circinus ... The kinematics of the ionized gas in the Circinus galaxy . ... of the rings and outflow cone of ionized gas in the Circinus galaxy as observed by ...