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28 March 2024
 
  » arxiv » astro-ph/0404158

 Article overview


RR Lyrae stars in the outer region of the globular cluster M3: a shortage of long periods at r ~ 3.5 to 6 arcmin ?
D. J. Butler ;
Date 7 Apr 2004
Journal Astron.Astrophys. 420 (2004) 213-215
Subject astro-ph
AffiliationMPIA, Heidelberg, Germany
AbstractAn analysis of the radial distribution of ab-type RR Lyrae star periods in the outer region of the globular cluster M3 at r >= 0.83 arcmin has been performed. That analysis points towards a real shortage of stars with long periods in the radial distance range 3.5 to 6 arcmin (or about 7 to 12 core radii). A brief discussion is presented. The origin of the phenomenon remains an open question.
Source arXiv, astro-ph/0404158
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