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Temperature Differences in the Cepheid Instability Strip Require Differences in the Period‐Luminosity Relation in Slope and Zero Point
Sandage, Allan, Tammann, G. A.Volume:
686
Language:
english
Journal:
The Astrophysical Journal
DOI:
10.1086/591306
Date:
October, 2008
File:
PDF, 139 KB
english, 2008