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Variable star

  1. Jun 25, 2005 #1
    why variable stars have various magnitudes? and y they are changing periodically?
     
  2. jcsd
  3. Jun 25, 2005 #2

    turbo

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    It would take all day to answer that question - try here, then Google on "variable star" if you need more information.

    http://www.aavso.org/vstar/types.shtml [Broken]
     
    Last edited by a moderator: Apr 21, 2017 at 5:08 PM
  4. Jun 25, 2005 #3

    Chronos

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    Another source:
    http://outreach.atnf.csiro.au/education/senior/astrophysics/variable_types.html [Broken]

    For all the gory details, GCVS is the place to go:
    http://www.sai.msu.su/groups/cluster/gcvs/gcvs/

    Footnote: The excellent source turbo-1 gave also includes a GCVS link.
     
    Last edited by a moderator: Apr 21, 2017 at 5:09 PM
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