Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane
- Autores
- Minniti, Dante; Dékány, Istvan; Majaess, Daniel; Palma, Tali; Pullen, Joyce; Rejkuba, Marina; Alonso García, Javier; Catelan, Marcio; Contreras Ramos, Rodrigo; Gonzalez, Alfredo Oscar; Hempel, Maren; Irwin, Mike; Lucas, Philip W.; Saito, Roberto; Tissera, Patricia Beatriz; Valenti, Elena; Zoccali, Manuela
- Año de publicación
- 2017
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Deep near-IR images from the VISTA Variables in the Vía Láctea (VVV) Survey were used to search for RR Lyrae stars in the Southern Galactic plane. A sizable sample of 404 RR Lyrae of type ab stars was identified across a thin slice of the fourth Galactic quadrant (295° < ℓ < 350°, -2.°24 < b < -1.°05). The sample's distance distribution exhibits a maximum density that occurs at the bulge tangent point, which implies that this primarily Oosterhoff type I population of RRab stars does not trace the bar delineated by their red clump counterparts. The bulge RR Lyrae population does not extend beyond ℓ ∼ 340°, and the sample's spatial distribution presents evidence of density enhancements and substructure that warrants further investigation. Indeed, the sample may be employed to evaluate Galactic evolution models, and is particularly lucrative since half of the discovered RR Lyrae are within reach of Gaia astrometric observations.
Fil: Minniti, Dante. Universidad Andrés Bello; Chile. Instituto Milenio de Astrofísica; Chile. Vatican Observatory; Italia
Fil: Dékány, Istvan. Universitaet Heidelberg; Alemania
Fil: Majaess, Daniel. Mount Saint Vincent University; Canadá
Fil: Palma, Tali. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Andrés Bello; Chile. Instituto Milenio de Astrofísica; Chile
Fil: Pullen, Joyce. Universidad Andrés Bello; Chile. Instituto Milenio de Astrofísica; Chile
Fil: Rejkuba, Marina. European Southern Observatory; Alemania. Excellence Cluster Universe; Alemania
Fil: Alonso García, Javier. Instituto Milenio de Astrofísica; Chile. Universidad de Antofagasta; Chile
Fil: Catelan, Marcio. Instituto Milenio de Astrofísica; Chile. Pontificia Universidad Católica de Chile. Facultad de Física; Chile
Fil: Contreras Ramos, Rodrigo. Instituto Milenio de Astrofísica; Chile. Pontificia Universidad Católica de Chile. Facultad de Física; Chile
Fil: Gonzalez, Alfredo Oscar. University of Edinburgh; Reino Unido
Fil: Hempel, Maren. Pontificia Universidad Católica de Chile. Facultad de Física; Chile
Fil: Irwin, Mike. University of Cambridge; Reino Unido
Fil: Lucas, Philip W.. University Of Hertfordshire; Reino Unido
Fil: Saito, Roberto. Universidade Federal de Santa Catarina; Brasil
Fil: Tissera, Patricia Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Andrés Bello; Chile. Instituto Milenio de Astrofísica; Chile
Fil: Valenti, Elena. European Southern Observatory; Alemania
Fil: Zoccali, Manuela. Instituto Milenio de Astrofísica; Chile. Pontificia Universidad Católica de Chile. Facultad de Física; Chile - Materia
-
GALAXY: STRUCTURE
STARS: VARIABLES: RR LYRAE
SURVEYS - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/138356
Ver los metadatos del registro completo
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oai:ri.conicet.gov.ar:11336/138356 |
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Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic PlaneMinniti, DanteDékány, IstvanMajaess, DanielPalma, TaliPullen, JoyceRejkuba, MarinaAlonso García, JavierCatelan, MarcioContreras Ramos, RodrigoGonzalez, Alfredo OscarHempel, MarenIrwin, MikeLucas, Philip W.Saito, RobertoTissera, Patricia BeatrizValenti, ElenaZoccali, ManuelaGALAXY: STRUCTURESTARS: VARIABLES: RR LYRAESURVEYShttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Deep near-IR images from the VISTA Variables in the Vía Láctea (VVV) Survey were used to search for RR Lyrae stars in the Southern Galactic plane. A sizable sample of 404 RR Lyrae of type ab stars was identified across a thin slice of the fourth Galactic quadrant (295° < ℓ < 350°, -2.°24 < b < -1.°05). The sample's distance distribution exhibits a maximum density that occurs at the bulge tangent point, which implies that this primarily Oosterhoff type I population of RRab stars does not trace the bar delineated by their red clump counterparts. The bulge RR Lyrae population does not extend beyond ℓ ∼ 340°, and the sample's spatial distribution presents evidence of density enhancements and substructure that warrants further investigation. Indeed, the sample may be employed to evaluate Galactic evolution models, and is particularly lucrative since half of the discovered RR Lyrae are within reach of Gaia astrometric observations.Fil: Minniti, Dante. Universidad Andrés Bello; Chile. Instituto Milenio de Astrofísica; Chile. Vatican Observatory; ItaliaFil: Dékány, Istvan. Universitaet Heidelberg; AlemaniaFil: Majaess, Daniel. Mount Saint Vincent University; CanadáFil: Palma, Tali. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Andrés Bello; Chile. Instituto Milenio de Astrofísica; ChileFil: Pullen, Joyce. Universidad Andrés Bello; Chile. Instituto Milenio de Astrofísica; ChileFil: Rejkuba, Marina. European Southern Observatory; Alemania. Excellence Cluster Universe; AlemaniaFil: Alonso García, Javier. Instituto Milenio de Astrofísica; Chile. Universidad de Antofagasta; ChileFil: Catelan, Marcio. Instituto Milenio de Astrofísica; Chile. Pontificia Universidad Católica de Chile. Facultad de Física; ChileFil: Contreras Ramos, Rodrigo. Instituto Milenio de Astrofísica; Chile. Pontificia Universidad Católica de Chile. Facultad de Física; ChileFil: Gonzalez, Alfredo Oscar. University of Edinburgh; Reino UnidoFil: Hempel, Maren. Pontificia Universidad Católica de Chile. Facultad de Física; ChileFil: Irwin, Mike. University of Cambridge; Reino UnidoFil: Lucas, Philip W.. University Of Hertfordshire; Reino UnidoFil: Saito, Roberto. Universidade Federal de Santa Catarina; BrasilFil: Tissera, Patricia Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Andrés Bello; Chile. Instituto Milenio de Astrofísica; ChileFil: Valenti, Elena. European Southern Observatory; AlemaniaFil: Zoccali, Manuela. Instituto Milenio de Astrofísica; Chile. Pontificia Universidad Católica de Chile. Facultad de Física; ChileIOP Publishing2017-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/138356Minniti, Dante; Dékány, Istvan; Majaess, Daniel; Palma, Tali; Pullen, Joyce; et al.; Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane; IOP Publishing; Astronomical Journal; 153; 4; 4-2017; 1-100004-62561538-3881CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.3847/1538-3881/aa5be4info:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.3847/1538-3881/aa5be4info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:32:41Zoai:ri.conicet.gov.ar:11336/138356instacron: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:34982025-09-29 10:32:41.537CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane |
title |
Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane |
spellingShingle |
Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane Minniti, Dante GALAXY: STRUCTURE STARS: VARIABLES: RR LYRAE SURVEYS |
title_short |
Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane |
title_full |
Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane |
title_fullStr |
Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane |
title_full_unstemmed |
Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane |
title_sort |
Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane |
dc.creator.none.fl_str_mv |
Minniti, Dante Dékány, Istvan Majaess, Daniel Palma, Tali Pullen, Joyce Rejkuba, Marina Alonso García, Javier Catelan, Marcio Contreras Ramos, Rodrigo Gonzalez, Alfredo Oscar Hempel, Maren Irwin, Mike Lucas, Philip W. Saito, Roberto Tissera, Patricia Beatriz Valenti, Elena Zoccali, Manuela |
author |
Minniti, Dante |
author_facet |
Minniti, Dante Dékány, Istvan Majaess, Daniel Palma, Tali Pullen, Joyce Rejkuba, Marina Alonso García, Javier Catelan, Marcio Contreras Ramos, Rodrigo Gonzalez, Alfredo Oscar Hempel, Maren Irwin, Mike Lucas, Philip W. Saito, Roberto Tissera, Patricia Beatriz Valenti, Elena Zoccali, Manuela |
author_role |
author |
author2 |
Dékány, Istvan Majaess, Daniel Palma, Tali Pullen, Joyce Rejkuba, Marina Alonso García, Javier Catelan, Marcio Contreras Ramos, Rodrigo Gonzalez, Alfredo Oscar Hempel, Maren Irwin, Mike Lucas, Philip W. Saito, Roberto Tissera, Patricia Beatriz Valenti, Elena Zoccali, Manuela |
author2_role |
author author author author author author author author author author author author author author author author |
dc.subject.none.fl_str_mv |
GALAXY: STRUCTURE STARS: VARIABLES: RR LYRAE SURVEYS |
topic |
GALAXY: STRUCTURE STARS: VARIABLES: RR LYRAE SURVEYS |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Deep near-IR images from the VISTA Variables in the Vía Láctea (VVV) Survey were used to search for RR Lyrae stars in the Southern Galactic plane. A sizable sample of 404 RR Lyrae of type ab stars was identified across a thin slice of the fourth Galactic quadrant (295° < ℓ < 350°, -2.°24 < b < -1.°05). The sample's distance distribution exhibits a maximum density that occurs at the bulge tangent point, which implies that this primarily Oosterhoff type I population of RRab stars does not trace the bar delineated by their red clump counterparts. The bulge RR Lyrae population does not extend beyond ℓ ∼ 340°, and the sample's spatial distribution presents evidence of density enhancements and substructure that warrants further investigation. Indeed, the sample may be employed to evaluate Galactic evolution models, and is particularly lucrative since half of the discovered RR Lyrae are within reach of Gaia astrometric observations. Fil: Minniti, Dante. Universidad Andrés Bello; Chile. Instituto Milenio de Astrofísica; Chile. Vatican Observatory; Italia Fil: Dékány, Istvan. Universitaet Heidelberg; Alemania Fil: Majaess, Daniel. Mount Saint Vincent University; Canadá Fil: Palma, Tali. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Andrés Bello; Chile. Instituto Milenio de Astrofísica; Chile Fil: Pullen, Joyce. Universidad Andrés Bello; Chile. Instituto Milenio de Astrofísica; Chile Fil: Rejkuba, Marina. European Southern Observatory; Alemania. Excellence Cluster Universe; Alemania Fil: Alonso García, Javier. Instituto Milenio de Astrofísica; Chile. Universidad de Antofagasta; Chile Fil: Catelan, Marcio. Instituto Milenio de Astrofísica; Chile. Pontificia Universidad Católica de Chile. Facultad de Física; Chile Fil: Contreras Ramos, Rodrigo. Instituto Milenio de Astrofísica; Chile. Pontificia Universidad Católica de Chile. Facultad de Física; Chile Fil: Gonzalez, Alfredo Oscar. University of Edinburgh; Reino Unido Fil: Hempel, Maren. Pontificia Universidad Católica de Chile. Facultad de Física; Chile Fil: Irwin, Mike. University of Cambridge; Reino Unido Fil: Lucas, Philip W.. University Of Hertfordshire; Reino Unido Fil: Saito, Roberto. Universidade Federal de Santa Catarina; Brasil Fil: Tissera, Patricia Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Andrés Bello; Chile. Instituto Milenio de Astrofísica; Chile Fil: Valenti, Elena. European Southern Observatory; Alemania Fil: Zoccali, Manuela. Instituto Milenio de Astrofísica; Chile. Pontificia Universidad Católica de Chile. Facultad de Física; Chile |
description |
Deep near-IR images from the VISTA Variables in the Vía Láctea (VVV) Survey were used to search for RR Lyrae stars in the Southern Galactic plane. A sizable sample of 404 RR Lyrae of type ab stars was identified across a thin slice of the fourth Galactic quadrant (295° < ℓ < 350°, -2.°24 < b < -1.°05). The sample's distance distribution exhibits a maximum density that occurs at the bulge tangent point, which implies that this primarily Oosterhoff type I population of RRab stars does not trace the bar delineated by their red clump counterparts. The bulge RR Lyrae population does not extend beyond ℓ ∼ 340°, and the sample's spatial distribution presents evidence of density enhancements and substructure that warrants further investigation. Indeed, the sample may be employed to evaluate Galactic evolution models, and is particularly lucrative since half of the discovered RR Lyrae are within reach of Gaia astrometric observations. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-04 |
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/11336/138356 Minniti, Dante; Dékány, Istvan; Majaess, Daniel; Palma, Tali; Pullen, Joyce; et al.; Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane; IOP Publishing; Astronomical Journal; 153; 4; 4-2017; 1-10 0004-6256 1538-3881 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/138356 |
identifier_str_mv |
Minniti, Dante; Dékány, Istvan; Majaess, Daniel; Palma, Tali; Pullen, Joyce; et al.; Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane; IOP Publishing; Astronomical Journal; 153; 4; 4-2017; 1-10 0004-6256 1538-3881 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.3847/1538-3881/aa5be4 info:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.3847/1538-3881/aa5be4 |
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 |
dc.publisher.none.fl_str_mv |
IOP Publishing |
publisher.none.fl_str_mv |
IOP Publishing |
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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1844614340842356736 |
score |
13.070432 |