Metallicities on the double main sequence of ω centauri imply large helium enhancement

Astrophysical Journal

Volumn 621, Issue 2 I, 2005, Pages 777-784

  Piotto, Giampaolo ^a   Villanova, Sandro ^a   Bedin, Luigi R ^a,b   Gratton, Raffaele ^c   Cassisi, Santi ^d   Momany, Yazan ^a   Recio Blanco, Alejandra ^a   Lucatello, Sara ^c   Anderson, Jay ^e   King, Ivan R ^f   Pietrinferni, Adriano ^d   Carraro, Giovanni ^a  

^a UNIVERSITY OF PADOVA   (Italy)

^b EUROPEAN SOUTHERN OBSERVATORY   (Germany)

^c INAF OSSERVATORIO ASTRONOMICO DI PADOVA   (Italy)

^d INAF OSSERVATORIO ASTRONOMICO DI COLLURANIA   (Italy)

^e RICE UNIVERSITY   (United States)

^f UNIVERSITY OF WASHINGTON   (United States)

Author keywords

Galaxy: abundances; Globular clusters: individual (NGC 5139) Hertzsprung; Russell diagram

Indexed keywords

EID: 18444369632     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/427796     Document Type: Article

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