New metallicities of RR Lyrae stars in ω centauri: Evidence for a non-He-enhanced metal-intermediate population

Astrophysical Journal

Volumn 640, Issue 1 II, 2006, Pages

  Sollima, A ^a   Borissova, J ^b,c   Catelan, M ^d   Smith, H A ^e   Minniti, D ^d   Cacciari, C ^f   Ferraro, F R ^a  

^a UNIVERSITY OF BOLOGNA   (Italy)

^b EUROPEAN SOUTHERN OBSERVATORY   (Chile)

^c UNIVERSIDAD DE VALPARAÍSO   (Chile)

^d PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE   (Chile)

^e MICHIGAN STATE UNIVERSITY   (United States)

^f INAF OSSERVATORIO ASTRONOMICO DI BOLOGNA   (Italy)

Author keywords

Globular clusters: individual ( Centauri); Stars: abundances; Stars: Population II; Techniques: spectroscopic

Indexed keywords

EID: 33645516597     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/503099     Document Type: Article

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