ANRV284-AA44-04 ARI 28 July 2006 13:54 Annu. Rev. Astro. Astrophys. 2006.44:93-140. Downloaded from arjournals.annualreviews.org by FinELib on 07/16/08. For personal use only. Absolute Magnitude Calibrations of Population I and II Cepheids and Other...
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... A small "frosting" of recent star formation can easily result in the measurement of young spectroscopic ages for galaxies whose stars are predominately old, and there is an inverse relationship between the age and required burst strength. ...
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Ссылки http://lnfm1.sai.msu.ru/~rastor/Books/Brodie&Strader_ARAA-ExtragalGC.pdf -- 1050.9 Кб -- 11.05.2010 Похожие документы