ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processing
- Autores
- Ginsburg, A.; Csengeri, T.; Galván Madrid, R.; Cunningham, N.; Álvarez Gutiérrez, R. H.; Baug, T.; Bonfand, M.; Bontemps, Sophie; Busquet, G.; Díaz González, D. J.; Fernandez Lopez, Manuel; Guzmán, A.; Herpin, F.; Liu, H.; López Sepulcre, A.; Louvet, F.; Maud, L.; Motte, F.; Nakamura, F.; Nony, T.; Olguin, F. A.; Pouteau, Y.; Rosolowsky, E.; Sandoval Garrido, N. A.; Svoboda, B.; Tatematsu, K.; Walker, D. L.; Whitworth, A.; Wu, B.; Wyrowski, F.
- Año de publicación
- 2022
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We present the first data release of the ALMA-IMF Large Program, which covers the 12m-array continuum calibration and imaging. The ALMA-IMF Large Program is a survey of fifteen dense molecular cloud regions spanning a range of evolutionary stages that aims to measure the core mass function. We describe the data acquisition and calibration done by the Atacama Large Millimeter/submillimeter Array (ALMA) observatory and the subsequent calibration and imaging we performed. The image products are combinations of multiple 12 m array configurations created from a selection of the observed bandwidth using multi-term, multi-frequency synthesis imaging and deconvolution. The data products are self-calibrated and exhibit substantial noise improvements over the images produced from the delivered data. We compare different choices of continuum selection, calibration parameters, and image weighting parameters, demonstrating the utility and necessity of our additional processing work. Two variants of continuum selection are used and will be distributed: the 'best-sensitivity' (bsens) data, which include the full bandwidth, including bright emission lines that contaminate the continuum, and 'cleanest' (cleanest), which select portions of the spectrum that are unaffected by line emission. We present a preliminary analysis of the spectral indices of the continuum data, showing that the ALMA products are able to clearly distinguish free-free emission from dust emission, and that in some cases we are able to identify optically thick emission sources. The data products are made public with this release.
Fil: Ginsburg, A.. University of Florida; Estados Unidos
Fil: Csengeri, T.. Universite de Bordeaux; Francia
Fil: Galván Madrid, R.. Universidad Nacional Autónoma de México; México
Fil: Cunningham, N.. Universite Grenoble Alpes; Francia. Centre National de la Recherche Scientifique; Francia
Fil: Álvarez Gutiérrez, R. H.. Universidad de Concepción; Chile
Fil: Baug, T.. S. N. Bose National Centre for Basic Sciences; India
Fil: Bonfand, M.. Universite de Bordeaux; Francia
Fil: Bontemps, Sophie. Universite de Bordeaux; Francia
Fil: Busquet, G.. Universite Grenoble Alpes; Francia. Consejo Superior de Investigaciones Científicas; España. Institut d’Estudis Espacials de Catalunya; España
Fil: Díaz González, D. J.. Universidad Nacional Autónoma de México; México
Fil: Fernandez Lopez, Manuel. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; Argentina
Fil: Guzmán, A.. National Institutes Of Natural Sciences. National Astronomical Observatory Of Japan; Japón
Fil: Herpin, F.. Universite de Bordeaux; Francia
Fil: Liu, H.. Yunnan University; China
Fil: López Sepulcre, A.. Iram Institut de Radioastronomie Millimétrique; Francia. Universite Grenoble Alpes; Francia
Fil: Louvet, F.. Universidad de Chile; Chile. Universite Paris-Saclay; . Ecole Normale Supérieure; Francia
Fil: Maud, L.. European Southern Observatory Chile; Chile
Fil: Motte, F.. Universite Grenoble Alpes; Francia
Fil: Nakamura, F.. National Institutes Of Natural Sciences - National Astronomical Observatory Of Japan; Japón. The University Of Tokyo; Japón. The Graduate University For Advanced Studies; Japón
Fil: Nony, T.. Universidad Nacional Autónoma de México; México
Fil: Olguin, F. A.. National Tsing Hua University; China
Fil: Pouteau, Y.. Universite Grenoble Alpes; Francia
Fil: Rosolowsky, E.. University of Alberta; Canadá
Fil: Sandoval Garrido, N. A.. Universidad de Concepción; Chile
Fil: Svoboda, B.. Jansky fellow of the National Radio Astronomy Observatory; Estados Unidos
Fil: Tatematsu, K.. National Institutes Of Natural Sciences. National Astronomical Observatory Of Japan; Japón
Fil: Walker, D. L.. University of Connecticut; Estados Unidos
Fil: Whitworth, A.. Cardiff University; Reino Unido
Fil: Wu, B.. Nvidia Corporation; Estados Unidos. National Institutes Of Natural Sciences. National Astronomical Observatory Of Japan; Japón
Fil: Wyrowski, F.. Max Planck Institute For Radio Astronomy; Alemania - Materia
-
HII REGIONS
INSTRUMENTATION: INTERFEROMETERS
ISM: STRUCTURE
MASS FUNCTION
STARS: LUMINOSITY FUNCTION
STARS: PROTOSTARS
SUBMILLIMETER: ISM - 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:11336/215894
Ver los metadatos del registro completo
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spelling |
ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processingGinsburg, A.Csengeri, T.Galván Madrid, R.Cunningham, N.Álvarez Gutiérrez, R. H.Baug, T.Bonfand, M.Bontemps, SophieBusquet, G.Díaz González, D. J.Fernandez Lopez, ManuelGuzmán, A.Herpin, F.Liu, H.López Sepulcre, A.Louvet, F.Maud, L.Motte, F.Nakamura, F.Nony, T.Olguin, F. A.Pouteau, Y.Rosolowsky, E.Sandoval Garrido, N. A.Svoboda, B.Tatematsu, K.Walker, D. L.Whitworth, A.Wu, B.Wyrowski, F.HII REGIONSINSTRUMENTATION: INTERFEROMETERSISM: STRUCTUREMASS FUNCTIONSTARS: LUMINOSITY FUNCTIONSTARS: PROTOSTARSSUBMILLIMETER: ISMhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We present the first data release of the ALMA-IMF Large Program, which covers the 12m-array continuum calibration and imaging. The ALMA-IMF Large Program is a survey of fifteen dense molecular cloud regions spanning a range of evolutionary stages that aims to measure the core mass function. We describe the data acquisition and calibration done by the Atacama Large Millimeter/submillimeter Array (ALMA) observatory and the subsequent calibration and imaging we performed. The image products are combinations of multiple 12 m array configurations created from a selection of the observed bandwidth using multi-term, multi-frequency synthesis imaging and deconvolution. The data products are self-calibrated and exhibit substantial noise improvements over the images produced from the delivered data. We compare different choices of continuum selection, calibration parameters, and image weighting parameters, demonstrating the utility and necessity of our additional processing work. Two variants of continuum selection are used and will be distributed: the 'best-sensitivity' (bsens) data, which include the full bandwidth, including bright emission lines that contaminate the continuum, and 'cleanest' (cleanest), which select portions of the spectrum that are unaffected by line emission. We present a preliminary analysis of the spectral indices of the continuum data, showing that the ALMA products are able to clearly distinguish free-free emission from dust emission, and that in some cases we are able to identify optically thick emission sources. The data products are made public with this release.Fil: Ginsburg, A.. University of Florida; Estados UnidosFil: Csengeri, T.. Universite de Bordeaux; FranciaFil: Galván Madrid, R.. Universidad Nacional Autónoma de México; MéxicoFil: Cunningham, N.. Universite Grenoble Alpes; Francia. Centre National de la Recherche Scientifique; FranciaFil: Álvarez Gutiérrez, R. H.. Universidad de Concepción; ChileFil: Baug, T.. S. N. Bose National Centre for Basic Sciences; IndiaFil: Bonfand, M.. Universite de Bordeaux; FranciaFil: Bontemps, Sophie. Universite de Bordeaux; FranciaFil: Busquet, G.. Universite Grenoble Alpes; Francia. Consejo Superior de Investigaciones Científicas; España. Institut d’Estudis Espacials de Catalunya; EspañaFil: Díaz González, D. J.. Universidad Nacional Autónoma de México; MéxicoFil: Fernandez Lopez, Manuel. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; ArgentinaFil: Guzmán, A.. National Institutes Of Natural Sciences. National Astronomical Observatory Of Japan; JapónFil: Herpin, F.. Universite de Bordeaux; FranciaFil: Liu, H.. Yunnan University; ChinaFil: López Sepulcre, A.. Iram Institut de Radioastronomie Millimétrique; Francia. Universite Grenoble Alpes; FranciaFil: Louvet, F.. Universidad de Chile; Chile. Universite Paris-Saclay; . Ecole Normale Supérieure; FranciaFil: Maud, L.. European Southern Observatory Chile; ChileFil: Motte, F.. Universite Grenoble Alpes; FranciaFil: Nakamura, F.. National Institutes Of Natural Sciences - National Astronomical Observatory Of Japan; Japón. The University Of Tokyo; Japón. The Graduate University For Advanced Studies; JapónFil: Nony, T.. Universidad Nacional Autónoma de México; MéxicoFil: Olguin, F. A.. National Tsing Hua University; ChinaFil: Pouteau, Y.. Universite Grenoble Alpes; FranciaFil: Rosolowsky, E.. University of Alberta; CanadáFil: Sandoval Garrido, N. A.. Universidad de Concepción; ChileFil: Svoboda, B.. Jansky fellow of the National Radio Astronomy Observatory; Estados UnidosFil: Tatematsu, K.. National Institutes Of Natural Sciences. National Astronomical Observatory Of Japan; JapónFil: Walker, D. L.. University of Connecticut; Estados UnidosFil: Whitworth, A.. Cardiff University; Reino UnidoFil: Wu, B.. Nvidia Corporation; Estados Unidos. National Institutes Of Natural Sciences. National Astronomical Observatory Of Japan; JapónFil: Wyrowski, F.. Max Planck Institute For Radio Astronomy; AlemaniaEDP Sciences2022-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/215894Ginsburg, A.; Csengeri, T.; Galván Madrid, R.; Cunningham, N.; Álvarez Gutiérrez, R. H.; et al.; ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processing; EDP Sciences; Astronomy and Astrophysics; 662; A9; 6-2022; 1-410004-6361CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1051/0004-6361/202141681info:eu-repo/semantics/altIdentifier/url/https://www.aanda.org/articles/aa/full_html/2022/06/aa41681-21/aa41681-21.htmlinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:30:22Zoai:ri.conicet.gov.ar:11336/215894instacron: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:34982025-10-22 11:30:22.985CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processing |
title |
ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processing |
spellingShingle |
ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processing Ginsburg, A. HII REGIONS INSTRUMENTATION: INTERFEROMETERS ISM: STRUCTURE MASS FUNCTION STARS: LUMINOSITY FUNCTION STARS: PROTOSTARS SUBMILLIMETER: ISM |
title_short |
ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processing |
title_full |
ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processing |
title_fullStr |
ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processing |
title_full_unstemmed |
ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processing |
title_sort |
ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processing |
dc.creator.none.fl_str_mv |
Ginsburg, A. Csengeri, T. Galván Madrid, R. Cunningham, N. Álvarez Gutiérrez, R. H. Baug, T. Bonfand, M. Bontemps, Sophie Busquet, G. Díaz González, D. J. Fernandez Lopez, Manuel Guzmán, A. Herpin, F. Liu, H. López Sepulcre, A. Louvet, F. Maud, L. Motte, F. Nakamura, F. Nony, T. Olguin, F. A. Pouteau, Y. Rosolowsky, E. Sandoval Garrido, N. A. Svoboda, B. Tatematsu, K. Walker, D. L. Whitworth, A. Wu, B. Wyrowski, F. |
author |
Ginsburg, A. |
author_facet |
Ginsburg, A. Csengeri, T. Galván Madrid, R. Cunningham, N. Álvarez Gutiérrez, R. H. Baug, T. Bonfand, M. Bontemps, Sophie Busquet, G. Díaz González, D. J. Fernandez Lopez, Manuel Guzmán, A. Herpin, F. Liu, H. López Sepulcre, A. Louvet, F. Maud, L. Motte, F. Nakamura, F. Nony, T. Olguin, F. A. Pouteau, Y. Rosolowsky, E. Sandoval Garrido, N. A. Svoboda, B. Tatematsu, K. Walker, D. L. Whitworth, A. Wu, B. Wyrowski, F. |
author_role |
author |
author2 |
Csengeri, T. Galván Madrid, R. Cunningham, N. Álvarez Gutiérrez, R. H. Baug, T. Bonfand, M. Bontemps, Sophie Busquet, G. Díaz González, D. J. Fernandez Lopez, Manuel Guzmán, A. Herpin, F. Liu, H. López Sepulcre, A. Louvet, F. Maud, L. Motte, F. Nakamura, F. Nony, T. Olguin, F. A. Pouteau, Y. Rosolowsky, E. Sandoval Garrido, N. A. Svoboda, B. Tatematsu, K. Walker, D. L. Whitworth, A. Wu, B. Wyrowski, F. |
author2_role |
author author author author author author author author author author author author author author author author author author author author author author author author author author author author author |
dc.subject.none.fl_str_mv |
HII REGIONS INSTRUMENTATION: INTERFEROMETERS ISM: STRUCTURE MASS FUNCTION STARS: LUMINOSITY FUNCTION STARS: PROTOSTARS SUBMILLIMETER: ISM |
topic |
HII REGIONS INSTRUMENTATION: INTERFEROMETERS ISM: STRUCTURE MASS FUNCTION STARS: LUMINOSITY FUNCTION STARS: PROTOSTARS SUBMILLIMETER: ISM |
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 the first data release of the ALMA-IMF Large Program, which covers the 12m-array continuum calibration and imaging. The ALMA-IMF Large Program is a survey of fifteen dense molecular cloud regions spanning a range of evolutionary stages that aims to measure the core mass function. We describe the data acquisition and calibration done by the Atacama Large Millimeter/submillimeter Array (ALMA) observatory and the subsequent calibration and imaging we performed. The image products are combinations of multiple 12 m array configurations created from a selection of the observed bandwidth using multi-term, multi-frequency synthesis imaging and deconvolution. The data products are self-calibrated and exhibit substantial noise improvements over the images produced from the delivered data. We compare different choices of continuum selection, calibration parameters, and image weighting parameters, demonstrating the utility and necessity of our additional processing work. Two variants of continuum selection are used and will be distributed: the 'best-sensitivity' (bsens) data, which include the full bandwidth, including bright emission lines that contaminate the continuum, and 'cleanest' (cleanest), which select portions of the spectrum that are unaffected by line emission. We present a preliminary analysis of the spectral indices of the continuum data, showing that the ALMA products are able to clearly distinguish free-free emission from dust emission, and that in some cases we are able to identify optically thick emission sources. The data products are made public with this release. Fil: Ginsburg, A.. University of Florida; Estados Unidos Fil: Csengeri, T.. Universite de Bordeaux; Francia Fil: Galván Madrid, R.. Universidad Nacional Autónoma de México; México Fil: Cunningham, N.. Universite Grenoble Alpes; Francia. Centre National de la Recherche Scientifique; Francia Fil: Álvarez Gutiérrez, R. H.. Universidad de Concepción; Chile Fil: Baug, T.. S. N. Bose National Centre for Basic Sciences; India Fil: Bonfand, M.. Universite de Bordeaux; Francia Fil: Bontemps, Sophie. Universite de Bordeaux; Francia Fil: Busquet, G.. Universite Grenoble Alpes; Francia. Consejo Superior de Investigaciones Científicas; España. Institut d’Estudis Espacials de Catalunya; España Fil: Díaz González, D. J.. Universidad Nacional Autónoma de México; México Fil: Fernandez Lopez, Manuel. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; Argentina Fil: Guzmán, A.. National Institutes Of Natural Sciences. National Astronomical Observatory Of Japan; Japón Fil: Herpin, F.. Universite de Bordeaux; Francia Fil: Liu, H.. Yunnan University; China Fil: López Sepulcre, A.. Iram Institut de Radioastronomie Millimétrique; Francia. Universite Grenoble Alpes; Francia Fil: Louvet, F.. Universidad de Chile; Chile. Universite Paris-Saclay; . Ecole Normale Supérieure; Francia Fil: Maud, L.. European Southern Observatory Chile; Chile Fil: Motte, F.. Universite Grenoble Alpes; Francia Fil: Nakamura, F.. National Institutes Of Natural Sciences - National Astronomical Observatory Of Japan; Japón. The University Of Tokyo; Japón. The Graduate University For Advanced Studies; Japón Fil: Nony, T.. Universidad Nacional Autónoma de México; México Fil: Olguin, F. A.. National Tsing Hua University; China Fil: Pouteau, Y.. Universite Grenoble Alpes; Francia Fil: Rosolowsky, E.. University of Alberta; Canadá Fil: Sandoval Garrido, N. A.. Universidad de Concepción; Chile Fil: Svoboda, B.. Jansky fellow of the National Radio Astronomy Observatory; Estados Unidos Fil: Tatematsu, K.. National Institutes Of Natural Sciences. National Astronomical Observatory Of Japan; Japón Fil: Walker, D. L.. University of Connecticut; Estados Unidos Fil: Whitworth, A.. Cardiff University; Reino Unido Fil: Wu, B.. Nvidia Corporation; Estados Unidos. National Institutes Of Natural Sciences. National Astronomical Observatory Of Japan; Japón Fil: Wyrowski, F.. Max Planck Institute For Radio Astronomy; Alemania |
description |
We present the first data release of the ALMA-IMF Large Program, which covers the 12m-array continuum calibration and imaging. The ALMA-IMF Large Program is a survey of fifteen dense molecular cloud regions spanning a range of evolutionary stages that aims to measure the core mass function. We describe the data acquisition and calibration done by the Atacama Large Millimeter/submillimeter Array (ALMA) observatory and the subsequent calibration and imaging we performed. The image products are combinations of multiple 12 m array configurations created from a selection of the observed bandwidth using multi-term, multi-frequency synthesis imaging and deconvolution. The data products are self-calibrated and exhibit substantial noise improvements over the images produced from the delivered data. We compare different choices of continuum selection, calibration parameters, and image weighting parameters, demonstrating the utility and necessity of our additional processing work. Two variants of continuum selection are used and will be distributed: the 'best-sensitivity' (bsens) data, which include the full bandwidth, including bright emission lines that contaminate the continuum, and 'cleanest' (cleanest), which select portions of the spectrum that are unaffected by line emission. We present a preliminary analysis of the spectral indices of the continuum data, showing that the ALMA products are able to clearly distinguish free-free emission from dust emission, and that in some cases we are able to identify optically thick emission sources. The data products are made public with this release. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-06 |
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/11336/215894 Ginsburg, A.; Csengeri, T.; Galván Madrid, R.; Cunningham, N.; Álvarez Gutiérrez, R. H.; et al.; ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processing; EDP Sciences; Astronomy and Astrophysics; 662; A9; 6-2022; 1-41 0004-6361 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/215894 |
identifier_str_mv |
Ginsburg, A.; Csengeri, T.; Galván Madrid, R.; Cunningham, N.; Álvarez Gutiérrez, R. H.; et al.; ALMA-IMF: II. Investigating the origin of stellar masses: Continuum images and data processing; EDP Sciences; Astronomy and Astrophysics; 662; A9; 6-2022; 1-41 0004-6361 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1051/0004-6361/202141681 info:eu-repo/semantics/altIdentifier/url/https://www.aanda.org/articles/aa/full_html/2022/06/aa41681-21/aa41681-21.html |
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 |
EDP Sciences |
publisher.none.fl_str_mv |
EDP Sciences |
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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1846781897198272512 |
score |
13.144186 |