... CEPHEID VARIABLE STARS: A Cepheid variable or Cepheid is a member of a particular class of very luminous, massive variable stars with pulsation periods of 1-70 days. ...
... David Nataf . "Uncertainties in the Interstellar Extinction and the Cepheid Distance to M101". ... I revisit the Cepheid-distance determination to the nearby spiral galaxy M101 (Pinwheel Galaxy), in light of several recent ...
... relations in the form V = a в log P + b to Cepheid variables in these two galaxies ... You will also find there the Cepheid data files and a plot of the period luminosity ...
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Ссылки http://www.mso.anu.edu.au/~wood/lectures2009/astr3007_ass3.pdf -- 49.4 Кб -- 31.03.2009 Похожие документы
... Deriving Distances from Nonlinear Pulsation Models of Bump Cepheids . ... Theory and Observation of Cepheids and LPVs in the Magellanic Clouds . ... Properties of Cepheids and long-period variables . ...
... CEPHEIDS Light and velocity curves Bumps Factor of 2 in light 40 - 60 km/s Bersier (2002) Cepheids occur where core He burning loops pass through the instability strip => Period - Luminosity relation Most evolutionary time spent at ends of loops => most ...
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Ссылки http://www.mso.anu.edu.au/~wood/lectures2009/Pulsation_1.pdf -- 1998.4 Кб -- 26.03.2009 Похожие документы