Ruprecht 1: a small, moderately young open cluster in the third galactic quadrant

Autores
Piatti, Andres Eduardo; Claria Olmedo, Juan Jose; Parisi, Maria Celeste; Ahumada, Andrea Veronica
Año de publicación
2008
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We present CCD observations in the Washington system C and T1 passbands down to T1 ∼ 18.5 in the field of Ruprecht 1, a poorly studied open cluster located in the third Galactic quadrant. We measured T1 magnitudes and C − T1 colors for a total of 862 stars distributed throughout an area of 13.60 × 13.60 . The cluster turned out to be very small; its linear radius being 2.6 ± 0.2 pc, as estimated from star counts in appropriate-sized boxes distributed throughout the entire field observed. By fitting the zero-age main sequence to the T1 vs. C − T1 color-magnitude diagram, we derive EB−V = 0.25 ± 0.05, independently from the cluster’s metallicity. Our analysis suggests that Ruprecht 1 is moderately young. In fact, adopting the theoretical metal contents Z = 0.02 and 0.008, which provide the best global fits, we derive heliocentric distances of d = 1.9 ± 0.4 kpc and 1.5 ± 0.3 kpc and ages of 200 ± 47 Myr and 251 ± 58 Myr in each case.
Fil: Piatti, Andres Eduardo. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
Fil: Claria Olmedo, Juan Jose. Universidad Nacional de Cordoba. Observatorio Astronomico de Cordoba; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Parisi, Maria Celeste. Universidad Nacional de Cordoba. Observatorio Astronomico de Cordoba; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Ahumada, Andrea Veronica. Universidad Nacional de Cordoba. Observatorio Astronomico de Cordoba; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Materia
Cluster
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/21716

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spelling Ruprecht 1: a small, moderately young open cluster in the third galactic quadrantPiatti, Andres EduardoClaria Olmedo, Juan JoseParisi, Maria CelesteAhumada, Andrea VeronicaClusterhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We present CCD observations in the Washington system C and T1 passbands down to T1 ∼ 18.5 in the field of Ruprecht 1, a poorly studied open cluster located in the third Galactic quadrant. We measured T1 magnitudes and C − T1 colors for a total of 862 stars distributed throughout an area of 13.60 × 13.60 . The cluster turned out to be very small; its linear radius being 2.6 ± 0.2 pc, as estimated from star counts in appropriate-sized boxes distributed throughout the entire field observed. By fitting the zero-age main sequence to the T1 vs. C − T1 color-magnitude diagram, we derive EB−V = 0.25 ± 0.05, independently from the cluster’s metallicity. Our analysis suggests that Ruprecht 1 is moderately young. In fact, adopting the theoretical metal contents Z = 0.02 and 0.008, which provide the best global fits, we derive heliocentric distances of d = 1.9 ± 0.4 kpc and 1.5 ± 0.3 kpc and ages of 200 ± 47 Myr and 251 ± 58 Myr in each case.Fil: Piatti, Andres Eduardo. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; ArgentinaFil: Claria Olmedo, Juan Jose. Universidad Nacional de Cordoba. Observatorio Astronomico de Cordoba; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Parisi, Maria Celeste. Universidad Nacional de Cordoba. Observatorio Astronomico de Cordoba; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Ahumada, Andrea Veronica. Universidad Nacional de Cordoba. Observatorio Astronomico de Cordoba; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaInst Theoretical Physics Astronomy2008-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/21716Piatti, Andres Eduardo; Claria Olmedo, Juan Jose; Parisi, Maria Celeste; Ahumada, Andrea Veronica; Ruprecht 1: a small, moderately young open cluster in the third galactic quadrant; Inst Theoretical Physics Astronomy; Baltic Astronomy; 17; 12-2008; 67-771392-0049CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.tfai.vu.lt/balticastronomy/sites/default/files/CONT2008.pdfinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-11-05T10:35:18Zoai:ri.conicet.gov.ar:11336/21716instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-11-05 10:35:19.192CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Ruprecht 1: a small, moderately young open cluster in the third galactic quadrant
title Ruprecht 1: a small, moderately young open cluster in the third galactic quadrant
spellingShingle Ruprecht 1: a small, moderately young open cluster in the third galactic quadrant
Piatti, Andres Eduardo
Cluster
title_short Ruprecht 1: a small, moderately young open cluster in the third galactic quadrant
title_full Ruprecht 1: a small, moderately young open cluster in the third galactic quadrant
title_fullStr Ruprecht 1: a small, moderately young open cluster in the third galactic quadrant
title_full_unstemmed Ruprecht 1: a small, moderately young open cluster in the third galactic quadrant
title_sort Ruprecht 1: a small, moderately young open cluster in the third galactic quadrant
dc.creator.none.fl_str_mv Piatti, Andres Eduardo
Claria Olmedo, Juan Jose
Parisi, Maria Celeste
Ahumada, Andrea Veronica
author Piatti, Andres Eduardo
author_facet Piatti, Andres Eduardo
Claria Olmedo, Juan Jose
Parisi, Maria Celeste
Ahumada, Andrea Veronica
author_role author
author2 Claria Olmedo, Juan Jose
Parisi, Maria Celeste
Ahumada, Andrea Veronica
author2_role author
author
author
dc.subject.none.fl_str_mv Cluster
topic Cluster
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We present CCD observations in the Washington system C and T1 passbands down to T1 ∼ 18.5 in the field of Ruprecht 1, a poorly studied open cluster located in the third Galactic quadrant. We measured T1 magnitudes and C − T1 colors for a total of 862 stars distributed throughout an area of 13.60 × 13.60 . The cluster turned out to be very small; its linear radius being 2.6 ± 0.2 pc, as estimated from star counts in appropriate-sized boxes distributed throughout the entire field observed. By fitting the zero-age main sequence to the T1 vs. C − T1 color-magnitude diagram, we derive EB−V = 0.25 ± 0.05, independently from the cluster’s metallicity. Our analysis suggests that Ruprecht 1 is moderately young. In fact, adopting the theoretical metal contents Z = 0.02 and 0.008, which provide the best global fits, we derive heliocentric distances of d = 1.9 ± 0.4 kpc and 1.5 ± 0.3 kpc and ages of 200 ± 47 Myr and 251 ± 58 Myr in each case.
Fil: Piatti, Andres Eduardo. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
Fil: Claria Olmedo, Juan Jose. Universidad Nacional de Cordoba. Observatorio Astronomico de Cordoba; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Parisi, Maria Celeste. Universidad Nacional de Cordoba. Observatorio Astronomico de Cordoba; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Ahumada, Andrea Veronica. Universidad Nacional de Cordoba. Observatorio Astronomico de Cordoba; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
description We present CCD observations in the Washington system C and T1 passbands down to T1 ∼ 18.5 in the field of Ruprecht 1, a poorly studied open cluster located in the third Galactic quadrant. We measured T1 magnitudes and C − T1 colors for a total of 862 stars distributed throughout an area of 13.60 × 13.60 . The cluster turned out to be very small; its linear radius being 2.6 ± 0.2 pc, as estimated from star counts in appropriate-sized boxes distributed throughout the entire field observed. By fitting the zero-age main sequence to the T1 vs. C − T1 color-magnitude diagram, we derive EB−V = 0.25 ± 0.05, independently from the cluster’s metallicity. Our analysis suggests that Ruprecht 1 is moderately young. In fact, adopting the theoretical metal contents Z = 0.02 and 0.008, which provide the best global fits, we derive heliocentric distances of d = 1.9 ± 0.4 kpc and 1.5 ± 0.3 kpc and ages of 200 ± 47 Myr and 251 ± 58 Myr in each case.
publishDate 2008
dc.date.none.fl_str_mv 2008-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/21716
Piatti, Andres Eduardo; Claria Olmedo, Juan Jose; Parisi, Maria Celeste; Ahumada, Andrea Veronica; Ruprecht 1: a small, moderately young open cluster in the third galactic quadrant; Inst Theoretical Physics Astronomy; Baltic Astronomy; 17; 12-2008; 67-77
1392-0049
CONICET Digital
CONICET
url http://hdl.handle.net/11336/21716
identifier_str_mv Piatti, Andres Eduardo; Claria Olmedo, Juan Jose; Parisi, Maria Celeste; Ahumada, Andrea Veronica; Ruprecht 1: a small, moderately young open cluster in the third galactic quadrant; Inst Theoretical Physics Astronomy; Baltic Astronomy; 17; 12-2008; 67-77
1392-0049
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.tfai.vu.lt/balticastronomy/sites/default/files/CONT2008.pdf
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Inst Theoretical Physics Astronomy
publisher.none.fl_str_mv Inst Theoretical Physics Astronomy
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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