L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows
- Autores
- Looney, Leslie W.; Lin, Zhe Yu Daniel; Li, Zhi Yun; Tobin, John J.; Radecki, Martin; Butte, Syzygy; Stephens, Ian; Fernandez Lopez, Manuel; Yang, Haifeng; Reynolds, Nickalas K.; Sheehan, Patrick; Kwon, Woojin; Harrison, Rachel; North, Allen
- Año de publicación
- 2025
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Circumstellar disk dust polarization in the (sub)millimeter is, for the most part, not from dust grain alignment with magnetic fields but rather indicative of a combination of dust self-scattering with a yet unknown alignment mechanism that is consistent with mechanical alignment. While the observational evidence for scattering has been well established, that for mechanical alignment is less so. Circum-multiple dust structures in protostellar systems provide a unique environment to probe different polarization alignment mechanisms. We present ALMA Band 4 and Band 7 polarization observations toward the multiple young system L1448 IRS3B. The polarization in the two bands are consistent with each other, presenting multiple polarization morphologies. On the size scale of the inner envelope surrounding the circum-multiple disk, the polarization is consistent with magnetic field dust grain alignment. On the very small scale of compact circumstellar regions, we see polarization that is consistent with scattering around source a and c, which are likely the most optically thick components. Finally, we see polarization that is consistent with mechanical alignment of dust grains along the spiral dust structures, which would suggest that the dust is tracing the relative gas flow along the spiral arms. If the gas-flow dust grain alignment mechanism is dominant in these cases, disk dust polarization may provide a direct probe of the small-scale kinematics of the gas flow relative to the dust grains.
Fil: Looney, Leslie W.. University of Illinois at Urbana; Estados Unidos
Fil: Lin, Zhe Yu Daniel. University of Virginia; Estados Unidos
Fil: Li, Zhi Yun. University of Virginia; Estados Unidos
Fil: Tobin, John J.. National Radio Astronomy Observatory; Estados Unidos
Fil: Radecki, Martin. University of Illinois at Urbana; Estados Unidos
Fil: Butte, Syzygy. University of Illinois at Urbana; Estados Unidos
Fil: Stephens, Ian. Worcester State University; Estados Unidos
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: Yang, Haifeng. Zhejiang University; China
Fil: Reynolds, Nickalas K.. Oklahoma State University; Estados Unidos
Fil: Sheehan, Patrick. National Radio Astronomy Observatory; Estados Unidos
Fil: Kwon, Woojin. Seoul National University; Corea del Sur
Fil: Harrison, Rachel. Monash University; Australia
Fil: North, Allen. University of Illinois at Urbana; Estados Unidos - Materia
-
Circumstellar disks
Protostars - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/278756
Ver los metadatos del registro completo
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L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas FlowsLooney, Leslie W.Lin, Zhe Yu DanielLi, Zhi YunTobin, John J.Radecki, MartinButte, SyzygyStephens, IanFernandez Lopez, ManuelYang, HaifengReynolds, Nickalas K.Sheehan, PatrickKwon, WoojinHarrison, RachelNorth, AllenCircumstellar disksProtostarshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Circumstellar disk dust polarization in the (sub)millimeter is, for the most part, not from dust grain alignment with magnetic fields but rather indicative of a combination of dust self-scattering with a yet unknown alignment mechanism that is consistent with mechanical alignment. While the observational evidence for scattering has been well established, that for mechanical alignment is less so. Circum-multiple dust structures in protostellar systems provide a unique environment to probe different polarization alignment mechanisms. We present ALMA Band 4 and Band 7 polarization observations toward the multiple young system L1448 IRS3B. The polarization in the two bands are consistent with each other, presenting multiple polarization morphologies. On the size scale of the inner envelope surrounding the circum-multiple disk, the polarization is consistent with magnetic field dust grain alignment. On the very small scale of compact circumstellar regions, we see polarization that is consistent with scattering around source a and c, which are likely the most optically thick components. Finally, we see polarization that is consistent with mechanical alignment of dust grains along the spiral dust structures, which would suggest that the dust is tracing the relative gas flow along the spiral arms. If the gas-flow dust grain alignment mechanism is dominant in these cases, disk dust polarization may provide a direct probe of the small-scale kinematics of the gas flow relative to the dust grains.Fil: Looney, Leslie W.. University of Illinois at Urbana; Estados UnidosFil: Lin, Zhe Yu Daniel. University of Virginia; Estados UnidosFil: Li, Zhi Yun. University of Virginia; Estados UnidosFil: Tobin, John J.. National Radio Astronomy Observatory; Estados UnidosFil: Radecki, Martin. University of Illinois at Urbana; Estados UnidosFil: Butte, Syzygy. University of Illinois at Urbana; Estados UnidosFil: Stephens, Ian. Worcester State University; Estados UnidosFil: 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: Yang, Haifeng. Zhejiang University; ChinaFil: Reynolds, Nickalas K.. Oklahoma State University; Estados UnidosFil: Sheehan, Patrick. National Radio Astronomy Observatory; Estados UnidosFil: Kwon, Woojin. Seoul National University; Corea del SurFil: Harrison, Rachel. Monash University; AustraliaFil: North, Allen. University of Illinois at Urbana; Estados UnidosIOP Publishing2025-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/278756Looney, Leslie W.; Lin, Zhe Yu Daniel; Li, Zhi Yun; Tobin, John J.; Radecki, Martin; et al.; L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows; IOP Publishing; Astrophysical Journal; 985; 2; 5-2025; 1-170004-637XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.3847/1538-4357/adcb9finfo:eu-repo/semantics/altIdentifier/doi/10.3847/1538-4357/adcb9finfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2026-01-14T12:55:44Zoai:ri.conicet.gov.ar:11336/278756instacron: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:34982026-01-14 12:55:44.727CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
| dc.title.none.fl_str_mv |
L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows |
| title |
L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows |
| spellingShingle |
L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows Looney, Leslie W. Circumstellar disks Protostars |
| title_short |
L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows |
| title_full |
L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows |
| title_fullStr |
L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows |
| title_full_unstemmed |
L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows |
| title_sort |
L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows |
| dc.creator.none.fl_str_mv |
Looney, Leslie W. Lin, Zhe Yu Daniel Li, Zhi Yun Tobin, John J. Radecki, Martin Butte, Syzygy Stephens, Ian Fernandez Lopez, Manuel Yang, Haifeng Reynolds, Nickalas K. Sheehan, Patrick Kwon, Woojin Harrison, Rachel North, Allen |
| author |
Looney, Leslie W. |
| author_facet |
Looney, Leslie W. Lin, Zhe Yu Daniel Li, Zhi Yun Tobin, John J. Radecki, Martin Butte, Syzygy Stephens, Ian Fernandez Lopez, Manuel Yang, Haifeng Reynolds, Nickalas K. Sheehan, Patrick Kwon, Woojin Harrison, Rachel North, Allen |
| author_role |
author |
| author2 |
Lin, Zhe Yu Daniel Li, Zhi Yun Tobin, John J. Radecki, Martin Butte, Syzygy Stephens, Ian Fernandez Lopez, Manuel Yang, Haifeng Reynolds, Nickalas K. Sheehan, Patrick Kwon, Woojin Harrison, Rachel North, Allen |
| author2_role |
author author author author author author author author author author author author author |
| dc.subject.none.fl_str_mv |
Circumstellar disks Protostars |
| topic |
Circumstellar disks Protostars |
| purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
| dc.description.none.fl_txt_mv |
Circumstellar disk dust polarization in the (sub)millimeter is, for the most part, not from dust grain alignment with magnetic fields but rather indicative of a combination of dust self-scattering with a yet unknown alignment mechanism that is consistent with mechanical alignment. While the observational evidence for scattering has been well established, that for mechanical alignment is less so. Circum-multiple dust structures in protostellar systems provide a unique environment to probe different polarization alignment mechanisms. We present ALMA Band 4 and Band 7 polarization observations toward the multiple young system L1448 IRS3B. The polarization in the two bands are consistent with each other, presenting multiple polarization morphologies. On the size scale of the inner envelope surrounding the circum-multiple disk, the polarization is consistent with magnetic field dust grain alignment. On the very small scale of compact circumstellar regions, we see polarization that is consistent with scattering around source a and c, which are likely the most optically thick components. Finally, we see polarization that is consistent with mechanical alignment of dust grains along the spiral dust structures, which would suggest that the dust is tracing the relative gas flow along the spiral arms. If the gas-flow dust grain alignment mechanism is dominant in these cases, disk dust polarization may provide a direct probe of the small-scale kinematics of the gas flow relative to the dust grains. Fil: Looney, Leslie W.. University of Illinois at Urbana; Estados Unidos Fil: Lin, Zhe Yu Daniel. University of Virginia; Estados Unidos Fil: Li, Zhi Yun. University of Virginia; Estados Unidos Fil: Tobin, John J.. National Radio Astronomy Observatory; Estados Unidos Fil: Radecki, Martin. University of Illinois at Urbana; Estados Unidos Fil: Butte, Syzygy. University of Illinois at Urbana; Estados Unidos Fil: Stephens, Ian. Worcester State University; Estados Unidos 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: Yang, Haifeng. Zhejiang University; China Fil: Reynolds, Nickalas K.. Oklahoma State University; Estados Unidos Fil: Sheehan, Patrick. National Radio Astronomy Observatory; Estados Unidos Fil: Kwon, Woojin. Seoul National University; Corea del Sur Fil: Harrison, Rachel. Monash University; Australia Fil: North, Allen. University of Illinois at Urbana; Estados Unidos |
| description |
Circumstellar disk dust polarization in the (sub)millimeter is, for the most part, not from dust grain alignment with magnetic fields but rather indicative of a combination of dust self-scattering with a yet unknown alignment mechanism that is consistent with mechanical alignment. While the observational evidence for scattering has been well established, that for mechanical alignment is less so. Circum-multiple dust structures in protostellar systems provide a unique environment to probe different polarization alignment mechanisms. We present ALMA Band 4 and Band 7 polarization observations toward the multiple young system L1448 IRS3B. The polarization in the two bands are consistent with each other, presenting multiple polarization morphologies. On the size scale of the inner envelope surrounding the circum-multiple disk, the polarization is consistent with magnetic field dust grain alignment. On the very small scale of compact circumstellar regions, we see polarization that is consistent with scattering around source a and c, which are likely the most optically thick components. Finally, we see polarization that is consistent with mechanical alignment of dust grains along the spiral dust structures, which would suggest that the dust is tracing the relative gas flow along the spiral arms. If the gas-flow dust grain alignment mechanism is dominant in these cases, disk dust polarization may provide a direct probe of the small-scale kinematics of the gas flow relative to the dust grains. |
| publishDate |
2025 |
| dc.date.none.fl_str_mv |
2025-05 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
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publishedVersion |
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http://hdl.handle.net/11336/278756 Looney, Leslie W.; Lin, Zhe Yu Daniel; Li, Zhi Yun; Tobin, John J.; Radecki, Martin; et al.; L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows; IOP Publishing; Astrophysical Journal; 985; 2; 5-2025; 1-17 0004-637X CONICET Digital CONICET |
| url |
http://hdl.handle.net/11336/278756 |
| identifier_str_mv |
Looney, Leslie W.; Lin, Zhe Yu Daniel; Li, Zhi Yun; Tobin, John J.; Radecki, Martin; et al.; L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows; IOP Publishing; Astrophysical Journal; 985; 2; 5-2025; 1-17 0004-637X CONICET Digital CONICET |
| dc.language.none.fl_str_mv |
eng |
| language |
eng |
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info:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.3847/1538-4357/adcb9f info:eu-repo/semantics/altIdentifier/doi/10.3847/1538-4357/adcb9f |
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openAccess |
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IOP Publishing |
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