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dc.contributor.author
Giorgi, Edgard Ervar Salvador  
dc.contributor.author
Baume, Gustavo Luis  
dc.contributor.author
Vazquez, Ruben Angel  
dc.contributor.author
Feinstein, Alejandro  
dc.date.available
2018-02-26T14:30:23Z  
dc.date.issued
2001-04  
dc.identifier.citation
Giorgi, Edgard Ervar Salvador; Baume, Gustavo Luis; Vazquez, Ruben Angel; Feinstein, Alejandro; CCD UBVI photometry and polarimetry in the open cluster Trumpler 21; Universidad Nacional Autónoma de México. Instituto de Astronomía; Revista Mexicana de Astronomía y Astrofísica; 37; 4-2001; 15-33  
dc.identifier.issn
0185-1101  
dc.identifier.uri
http://hdl.handle.net/11336/37082  
dc.description.abstract
CCD UBVI photometry was carried out in the field of the open cluster Trumpler 21. Our data locate the cluster at a distance of 1380 pc in a low absorption zone with E(B-V) = 0.25. The age of the cluster is estimated to be 25-30 × 106 yr based on the superposition of isochrones computed with mass loss and overshooting. The cluster mass spectrum has a slope of 1.44 similar to the typical value 1.35 for field stars. UBVRI polarimetry of its brightest members led us to the finding that diffuse interstellar material is responsible for both polarization percentage and its direction.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Universidad Nacional Autónoma de México. Instituto de Astronomía  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Open Clusters  
dc.subject
Trumpler 21 (Estrellas)  
dc.subject
Photometry  
dc.subject
Polarimetry  
dc.subject.classification
Astronomía  
dc.subject.classification
Ciencias Físicas  
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS  
dc.title
CCD UBVI photometry and polarimetry in the open cluster Trumpler 21  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2018-02-19T16:56:41Z  
dc.journal.number
37  
dc.journal.pagination
15-33  
dc.journal.pais
México  
dc.description.fil
Fil: Giorgi, Edgard Ervar Salvador. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.description.fil
Fil: Baume, Gustavo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.description.fil
Fil: Vazquez, Ruben Angel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.description.fil
Fil: Feinstein, Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.journal.title
Revista Mexicana de Astronomía y Astrofísica  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://adsabs.harvard.edu/abs/2001RMxAA..37...15G  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://articles.adsabs.harvard.edu/full/2001RMxAA..37...15G  

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