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 IndexOur GalaxyStarsVariable starsCepheids
Classical cepheids
belong to the Galaxy's disk
 
BL Her, W Vir Cepheids
belong to the Galaxy's halo and may be found inside the old spherical clusters
 
Cepheid Variables in M100
Images. Animations. Press Release Text. Background Information.
 
The Cepheid Variables
Some facts.
 
The Online Planetarium Show: Cepheid Variables
Photos with explanations. The Distances to Cepheid Variables. Cepheid Variables Provide Another Age for the Universe.
 
Cepheid Variable Stars
Cepheid variable stars as distance indicators. Typical light curve for a Cepheid variable star.
 
Cepheids as Distance Markers
Brief explanation of the most valuable property of cepheids with an image and a diagram.
 
Cepheids... It Gets Worse
Cepheids... It Gets Worse : Applying the Ritzian variable star interpretation to the light curves of Cepheids - online article by Robert S. Fritzius.
 
Observing Delta Cephei
Recommendations for an amateur regarding observing techniques for variable stars and specifically for measuring Delta Cephei.
 
APOD: January 10, 1996 - The Cepheids of M100
Astronomy Picture of the Day - "Cepheid variable" star in M100 by Hubble Space Telescope.
 
Exercise 1.4: Cepheid Period-Luminosity Relation
Online lecture with exerscises from the Michigan Math & Science Scholars (MMSS) Summer Program of the University of Michigan Department of Astronomy.
 
The Cepheid Distance Scale: A History
A paper by N.J.Allen. A critical review of the Cepheid distance scale, from its inception to the Hipparcos mission and beyond.
 
Cepheid variables
Introduction to cepheid variables at the Wilderness Center Astronomy Club website.
 
Cepheid variable
Information on Cepheid variables by Wikipedia, the free encyclopedia.
 
Variable stars
An article on RR Lyrae stars at the web site of Johannesburg Centre, Astronomical Society of Southern Africa.
 
Variable stars
Introduction to Cepheid variables at the web site of Johannesburg Centre, Astronomical Society of Southern Africa.
 
Cepheid Variable Stars & Distance Determination
Calculating Distances Using Cepheids. The Hubble Key Project. A web page at Australia's Commonwealth Scientific and Industrial Research Organisation web site.
 
Cepheids and the Distance to the LMC
Using Cepheid variables to determine distances to nearby galaxies. An online lecture by Michael Richmond at the Rochester Institute of Technology web site.
 
Cepheids and their 'Cocoons'
Using ESO's Very Large Telescope Interferometer (VLTI) at Cerro Paranal, Chile, and the CHARA Interferometer at Mount Wilson, California, a team of French and North American astronomers has discovered envelopes around three Cepheids, including the Pole star. This is the first time that matter is found surrounding members of this important class of rare and very luminous stars whose luminosity varies in a very regular way. Cepheids play a crucial role in cosmology, being one of the first "steps" on the cosmic distance ladder.
 
Cepheid stars description from the Astronomy Knowledge Base
Primary parameters and properties of Cepheids.
 
Stars, Cepheid Variable
An essay from the Astronomy and Astrophysics Encyclopedia by T. Lloyd Evans.
 
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