Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scales
- Autores
- Kraus, Michaela; Liimets, Tiina; Cappa, Cristina Elisabeth; Cidale, Lydia Sonia; Nickeler , Dieter H.; Duronea, Nicolas Urbano; Arias, Maria L.; Gunawan, Diah S.; Oksala, Mary E.; Borges Fernandes, Marcelo
- Año de publicación
- 2017
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The Galactic object MWC 137 has been suggested to belong to the group of B[e] supergiants. However, with its large-scale optical bipolar ring nebula and high-velocity jet and knots, it is a rather atypical representative of this class. We performed multiwavelength observations spreading from the optical to the radio regimes. Based on optical imaging and long-slit spectroscopic data, we found that the northern parts of the large-scale nebula are predominantly blueshifted, while the southern regions appear mostly redshifted. We developed a geometrical model consisting of two double cones. Although various observational features can be approximated with such a scenario, the observed velocity pattern is more complex. Using near-infrared integral-field unit spectroscopy, we studied the hot molecular gas in the vicinity of the star. The emission from the hot CO gas arises in a small-scale disk revolving around the star on Keplerian orbits. Although the disk itself cannot be spatially resolved, its emission is reflected by the dust arranged in arc-like structures and the clumps surrounding MWC 137 on small scales. In the radio regime, we mapped the cold molecular gas in the outskirts of the optical nebula. We found that large amounts of cool molecular gas and warm dust embrace the optical nebula in the east, south, and west. No cold gas or dust was detected in the north and northwestern regions. Despite the new insights into the nebula kinematics gained from our studies, the real formation scenario of the large-scale nebula remains an open issue.
Fil: Kraus, Michaela. Astronomický Ústav, Akademie Véd Ceské Republiky;
Fil: Liimets, Tiina. Tarty Observatory, Tartumaa, Estonia;
Fil: Cappa, Cristina Elisabeth. 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: Cidale, Lydia Sonia. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina
Fil: Nickeler , Dieter H.. Astronomický Ústav, Akademie Véd Ceské Republiky;
Fil: Duronea, Nicolas Urbano. 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: Arias, Maria L.. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica la Plata; Argentina
Fil: Gunawan, Diah S.. Universidad de Valparaíso; Chile
Fil: Oksala, Mary E.. California Lutheran University; Estados Unidos
Fil: Borges Fernandes, Marcelo. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil - Materia
-
Circumstellar matter
Early type stars
MWC 137 (estrella)
Massive stars
Supergiants stars - 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:11336/32293
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Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scalesKraus, MichaelaLiimets, TiinaCappa, Cristina ElisabethCidale, Lydia SoniaNickeler , Dieter H.Duronea, Nicolas UrbanoArias, Maria L.Gunawan, Diah S.Oksala, Mary E.Borges Fernandes, MarceloCircumstellar matterEarly type starsMWC 137 (estrella)Massive starsSupergiants starshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The Galactic object MWC 137 has been suggested to belong to the group of B[e] supergiants. However, with its large-scale optical bipolar ring nebula and high-velocity jet and knots, it is a rather atypical representative of this class. We performed multiwavelength observations spreading from the optical to the radio regimes. Based on optical imaging and long-slit spectroscopic data, we found that the northern parts of the large-scale nebula are predominantly blueshifted, while the southern regions appear mostly redshifted. We developed a geometrical model consisting of two double cones. Although various observational features can be approximated with such a scenario, the observed velocity pattern is more complex. Using near-infrared integral-field unit spectroscopy, we studied the hot molecular gas in the vicinity of the star. The emission from the hot CO gas arises in a small-scale disk revolving around the star on Keplerian orbits. Although the disk itself cannot be spatially resolved, its emission is reflected by the dust arranged in arc-like structures and the clumps surrounding MWC 137 on small scales. In the radio regime, we mapped the cold molecular gas in the outskirts of the optical nebula. We found that large amounts of cool molecular gas and warm dust embrace the optical nebula in the east, south, and west. No cold gas or dust was detected in the north and northwestern regions. Despite the new insights into the nebula kinematics gained from our studies, the real formation scenario of the large-scale nebula remains an open issue.Fil: Kraus, Michaela. Astronomický Ústav, Akademie Véd Ceské Republiky;Fil: Liimets, Tiina. Tarty Observatory, Tartumaa, Estonia;Fil: Cappa, Cristina Elisabeth. 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: Cidale, Lydia Sonia. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; ArgentinaFil: Nickeler , Dieter H.. Astronomický Ústav, Akademie Véd Ceské Republiky;Fil: Duronea, Nicolas Urbano. 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: Arias, Maria L.. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica la Plata; ArgentinaFil: Gunawan, Diah S.. Universidad de Valparaíso; ChileFil: Oksala, Mary E.. California Lutheran University; Estados UnidosFil: Borges Fernandes, Marcelo. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; BrasilIOP Publishing2017-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/32293Borges Fernandes, Marcelo; Oksala, Mary E.; Gunawan, Diah S.; Arias, Maria L.; Duronea, Nicolas Urbano; Nickeler , Dieter H.; et al.; Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scales; IOP Publishing; Astronomical Journal; 154; 5; 9-2017; 186-2020004-6256CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://iopscience.iop.org/article/10.3847/1538-3881/aa8df6/metainfo:eu-repo/semantics/altIdentifier/doi/10.3847/1538-3881/aa8df6info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:27:59Zoai:ri.conicet.gov.ar:11336/32293instacron: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 10:27:59.554CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scales |
title |
Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scales |
spellingShingle |
Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scales Kraus, Michaela Circumstellar matter Early type stars MWC 137 (estrella) Massive stars Supergiants stars |
title_short |
Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scales |
title_full |
Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scales |
title_fullStr |
Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scales |
title_full_unstemmed |
Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scales |
title_sort |
Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scales |
dc.creator.none.fl_str_mv |
Kraus, Michaela Liimets, Tiina Cappa, Cristina Elisabeth Cidale, Lydia Sonia Nickeler , Dieter H. Duronea, Nicolas Urbano Arias, Maria L. Gunawan, Diah S. Oksala, Mary E. Borges Fernandes, Marcelo |
author |
Kraus, Michaela |
author_facet |
Kraus, Michaela Liimets, Tiina Cappa, Cristina Elisabeth Cidale, Lydia Sonia Nickeler , Dieter H. Duronea, Nicolas Urbano Arias, Maria L. Gunawan, Diah S. Oksala, Mary E. Borges Fernandes, Marcelo |
author_role |
author |
author2 |
Liimets, Tiina Cappa, Cristina Elisabeth Cidale, Lydia Sonia Nickeler , Dieter H. Duronea, Nicolas Urbano Arias, Maria L. Gunawan, Diah S. Oksala, Mary E. Borges Fernandes, Marcelo |
author2_role |
author author author author author author author author author |
dc.subject.none.fl_str_mv |
Circumstellar matter Early type stars MWC 137 (estrella) Massive stars Supergiants stars |
topic |
Circumstellar matter Early type stars MWC 137 (estrella) Massive stars Supergiants stars |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
The Galactic object MWC 137 has been suggested to belong to the group of B[e] supergiants. However, with its large-scale optical bipolar ring nebula and high-velocity jet and knots, it is a rather atypical representative of this class. We performed multiwavelength observations spreading from the optical to the radio regimes. Based on optical imaging and long-slit spectroscopic data, we found that the northern parts of the large-scale nebula are predominantly blueshifted, while the southern regions appear mostly redshifted. We developed a geometrical model consisting of two double cones. Although various observational features can be approximated with such a scenario, the observed velocity pattern is more complex. Using near-infrared integral-field unit spectroscopy, we studied the hot molecular gas in the vicinity of the star. The emission from the hot CO gas arises in a small-scale disk revolving around the star on Keplerian orbits. Although the disk itself cannot be spatially resolved, its emission is reflected by the dust arranged in arc-like structures and the clumps surrounding MWC 137 on small scales. In the radio regime, we mapped the cold molecular gas in the outskirts of the optical nebula. We found that large amounts of cool molecular gas and warm dust embrace the optical nebula in the east, south, and west. No cold gas or dust was detected in the north and northwestern regions. Despite the new insights into the nebula kinematics gained from our studies, the real formation scenario of the large-scale nebula remains an open issue. Fil: Kraus, Michaela. Astronomický Ústav, Akademie Véd Ceské Republiky; Fil: Liimets, Tiina. Tarty Observatory, Tartumaa, Estonia; Fil: Cappa, Cristina Elisabeth. 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: Cidale, Lydia Sonia. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina Fil: Nickeler , Dieter H.. Astronomický Ústav, Akademie Véd Ceské Republiky; Fil: Duronea, Nicolas Urbano. 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: Arias, Maria L.. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica la Plata; Argentina Fil: Gunawan, Diah S.. Universidad de Valparaíso; Chile Fil: Oksala, Mary E.. California Lutheran University; Estados Unidos Fil: Borges Fernandes, Marcelo. Ministério de Ciencia, Tecnologia e Innovacao. Observatorio Nacional; Brasil |
description |
The Galactic object MWC 137 has been suggested to belong to the group of B[e] supergiants. However, with its large-scale optical bipolar ring nebula and high-velocity jet and knots, it is a rather atypical representative of this class. We performed multiwavelength observations spreading from the optical to the radio regimes. Based on optical imaging and long-slit spectroscopic data, we found that the northern parts of the large-scale nebula are predominantly blueshifted, while the southern regions appear mostly redshifted. We developed a geometrical model consisting of two double cones. Although various observational features can be approximated with such a scenario, the observed velocity pattern is more complex. Using near-infrared integral-field unit spectroscopy, we studied the hot molecular gas in the vicinity of the star. The emission from the hot CO gas arises in a small-scale disk revolving around the star on Keplerian orbits. Although the disk itself cannot be spatially resolved, its emission is reflected by the dust arranged in arc-like structures and the clumps surrounding MWC 137 on small scales. In the radio regime, we mapped the cold molecular gas in the outskirts of the optical nebula. We found that large amounts of cool molecular gas and warm dust embrace the optical nebula in the east, south, and west. No cold gas or dust was detected in the north and northwestern regions. Despite the new insights into the nebula kinematics gained from our studies, the real formation scenario of the large-scale nebula remains an open issue. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-09 |
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/11336/32293 Borges Fernandes, Marcelo; Oksala, Mary E.; Gunawan, Diah S.; Arias, Maria L.; Duronea, Nicolas Urbano; Nickeler , Dieter H.; et al.; Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scales; IOP Publishing; Astronomical Journal; 154; 5; 9-2017; 186-202 0004-6256 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/32293 |
identifier_str_mv |
Borges Fernandes, Marcelo; Oksala, Mary E.; Gunawan, Diah S.; Arias, Maria L.; Duronea, Nicolas Urbano; Nickeler , Dieter H.; et al.; Resolving the circumstellar environment of the galactic B[e] supergiant atar MWC 137 from large to small scales; IOP Publishing; Astronomical Journal; 154; 5; 9-2017; 186-202 0004-6256 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://iopscience.iop.org/article/10.3847/1538-3881/aa8df6/meta info:eu-repo/semantics/altIdentifier/doi/10.3847/1538-3881/aa8df6 |
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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1844614282795286528 |
score |
13.070432 |