Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grains

Autores
Lin, Zhe Yu Daniel; Li, Zhi Yun; Stephens, Ian; Fernandez Lopez, Manuel; Carrasco González, Carlos; Chandler, Claire J.; Pasetto, Alice; Looney, Leslie W.; Yang, Haifeng; Harrison, Rachel E.; Sadavoy, Sarah I.; Henning, Thomas; Hughes, A Meredith; Kataoka, Akimasa; Kwon, Woojin; Muto, Takayuki; Segura Cox, Dominique
Año de publicación
2024
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Polarization is a unique tool to study the dust grains of protoplanetary discs. Polarization around HL Tau was previously imaged using the Atacama Large Millimeter/submillimeter Array (ALMA) at Bands 3 (3.1 mm), 6 (1.3 mm), and 7 (0.87 mm), showing that the polarization orientation changes across wavelength λ. Polarization at Band 7 is predominantly parallel to the disc minor axis but appears azimuthally oriented at Band 3, with the morphology at Band 6 in between the two. We present new ~0.2 arcsec (29 au) polarization observations at Q-Band (7.0 mm) using the Karl G. Jansky Very Large Array (VLA) and at Bands 4 (2.1 mm), 5 (1.5 mm), and 7 using ALMA, consolidating HL Tau´s position as the protoplanetary disc with the most complete wavelength coverage in dust polarization. The polarization patterns at Bands 4 and 5 follow the previously identified morphological transition with wavelength. From the azimuthal variation, we decompose the polarization into contributions from scattering (s) and thermal emission (t). s decreases slowly with increasing λ, and t increases more rapidly which are expected from optical depth effects of toroidally aligned scattering prolate grains. The weak λ dependence of s is inconsistent with the simplest case of Rayleigh scattering by small grains in the optically thin limit but can be affected by factors such as optical depth, disc substructure, and dust porosity. The sparse polarization detections from the Q-band image are also consistent with toroidally aligned prolate grains.
Fil: Lin, Zhe Yu Daniel. University of Virginia; Estados Unidos
Fil: Li, Zhi Yun. University of Virginia; 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: Carrasco González, Carlos. Universidad Nacional Autónoma de México; México
Fil: Chandler, Claire J.. National Radio Astronomy Observatory; Estados Unidos
Fil: Pasetto, Alice. Universidad Nacional Autónoma de México; México
Fil: Looney, Leslie W.. University of Illinois at Urbana; Estados Unidos
Fil: Yang, Haifeng. Peking University; China
Fil: Harrison, Rachel E.. Monash University; Australia
Fil: Sadavoy, Sarah I.. Queens University; Canadá
Fil: Henning, Thomas. Max Planck Institute for Astronomy; Alemania
Fil: Hughes, A Meredith. Wesleyan University; Estados Unidos
Fil: Kataoka, Akimasa. National Astronomical Observatory of Japan; Japón
Fil: Kwon, Woojin. Seoul National University; Corea del Sur
Fil: Muto, Takayuki. Kogakuin University; Japón
Fil: Segura Cox, Dominique. University of Texas at Austin; Estados Unidos
Materia
polarization
protoplanetary discs
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/268757
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/268757
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grainsLin, Zhe Yu DanielLi, Zhi YunStephens, IanFernandez Lopez, ManuelCarrasco González, CarlosChandler, Claire J.Pasetto, AliceLooney, Leslie W.Yang, HaifengHarrison, Rachel E.Sadavoy, Sarah I.Henning, ThomasHughes, A MeredithKataoka, AkimasaKwon, WoojinMuto, TakayukiSegura Cox, Dominiquepolarizationprotoplanetary discshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Polarization is a unique tool to study the dust grains of protoplanetary discs. Polarization around HL Tau was previously imaged using the Atacama Large Millimeter/submillimeter Array (ALMA) at Bands 3 (3.1 mm), 6 (1.3 mm), and 7 (0.87 mm), showing that the polarization orientation changes across wavelength λ. Polarization at Band 7 is predominantly parallel to the disc minor axis but appears azimuthally oriented at Band 3, with the morphology at Band 6 in between the two. We present new ~0.2 arcsec (29 au) polarization observations at Q-Band (7.0 mm) using the Karl G. Jansky Very Large Array (VLA) and at Bands 4 (2.1 mm), 5 (1.5 mm), and 7 using ALMA, consolidating HL Tau´s position as the protoplanetary disc with the most complete wavelength coverage in dust polarization. The polarization patterns at Bands 4 and 5 follow the previously identified morphological transition with wavelength. From the azimuthal variation, we decompose the polarization into contributions from scattering (s) and thermal emission (t). s decreases slowly with increasing λ, and t increases more rapidly which are expected from optical depth effects of toroidally aligned scattering prolate grains. The weak λ dependence of s is inconsistent with the simplest case of Rayleigh scattering by small grains in the optically thin limit but can be affected by factors such as optical depth, disc substructure, and dust porosity. The sparse polarization detections from the Q-band image are also consistent with toroidally aligned prolate grains.Fil: Lin, Zhe Yu Daniel. University of Virginia; Estados UnidosFil: Li, Zhi Yun. University of Virginia; 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: Carrasco González, Carlos. Universidad Nacional Autónoma de México; MéxicoFil: Chandler, Claire J.. National Radio Astronomy Observatory; Estados UnidosFil: Pasetto, Alice. Universidad Nacional Autónoma de México; MéxicoFil: Looney, Leslie W.. University of Illinois at Urbana; Estados UnidosFil: Yang, Haifeng. Peking University; ChinaFil: Harrison, Rachel E.. Monash University; AustraliaFil: Sadavoy, Sarah I.. Queens University; CanadáFil: Henning, Thomas. Max Planck Institute for Astronomy; AlemaniaFil: Hughes, A Meredith. Wesleyan University; Estados UnidosFil: Kataoka, Akimasa. National Astronomical Observatory of Japan; JapónFil: Kwon, Woojin. Seoul National University; Corea del SurFil: Muto, Takayuki. Kogakuin University; JapónFil: Segura Cox, Dominique. University of Texas at Austin; Estados UnidosWiley Blackwell Publishing, Inc2024-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/268757Lin, Zhe Yu Daniel; Li, Zhi Yun; Stephens, Ian; Fernandez Lopez, Manuel; Carrasco González, Carlos; et al.; Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grains; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 528; 1; 2-2024; 843-8620035-8711CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/528/1/843/7512218info:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/stae040info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:41:40Zoai:ri.conicet.gov.ar:11336/268757instacron: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 09:41:40.677CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grains
title Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grains
spellingShingle Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grains
Lin, Zhe Yu Daniel
polarization
protoplanetary discs
title_short Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grains
title_full Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grains
title_fullStr Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grains
title_full_unstemmed Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grains
title_sort Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grains
dc.creator.none.fl_str_mv Lin, Zhe Yu Daniel
Li, Zhi Yun
Stephens, Ian
Fernandez Lopez, Manuel
Carrasco González, Carlos
Chandler, Claire J.
Pasetto, Alice
Looney, Leslie W.
Yang, Haifeng
Harrison, Rachel E.
Sadavoy, Sarah I.
Henning, Thomas
Hughes, A Meredith
Kataoka, Akimasa
Kwon, Woojin
Muto, Takayuki
Segura Cox, Dominique
author Lin, Zhe Yu Daniel
author_facet Lin, Zhe Yu Daniel
Li, Zhi Yun
Stephens, Ian
Fernandez Lopez, Manuel
Carrasco González, Carlos
Chandler, Claire J.
Pasetto, Alice
Looney, Leslie W.
Yang, Haifeng
Harrison, Rachel E.
Sadavoy, Sarah I.
Henning, Thomas
Hughes, A Meredith
Kataoka, Akimasa
Kwon, Woojin
Muto, Takayuki
Segura Cox, Dominique
author_role author
author2 Li, Zhi Yun
Stephens, Ian
Fernandez Lopez, Manuel
Carrasco González, Carlos
Chandler, Claire J.
Pasetto, Alice
Looney, Leslie W.
Yang, Haifeng
Harrison, Rachel E.
Sadavoy, Sarah I.
Henning, Thomas
Hughes, A Meredith
Kataoka, Akimasa
Kwon, Woojin
Muto, Takayuki
Segura Cox, Dominique
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv polarization
protoplanetary discs
topic polarization
protoplanetary discs
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Polarization is a unique tool to study the dust grains of protoplanetary discs. Polarization around HL Tau was previously imaged using the Atacama Large Millimeter/submillimeter Array (ALMA) at Bands 3 (3.1 mm), 6 (1.3 mm), and 7 (0.87 mm), showing that the polarization orientation changes across wavelength λ. Polarization at Band 7 is predominantly parallel to the disc minor axis but appears azimuthally oriented at Band 3, with the morphology at Band 6 in between the two. We present new ~0.2 arcsec (29 au) polarization observations at Q-Band (7.0 mm) using the Karl G. Jansky Very Large Array (VLA) and at Bands 4 (2.1 mm), 5 (1.5 mm), and 7 using ALMA, consolidating HL Tau´s position as the protoplanetary disc with the most complete wavelength coverage in dust polarization. The polarization patterns at Bands 4 and 5 follow the previously identified morphological transition with wavelength. From the azimuthal variation, we decompose the polarization into contributions from scattering (s) and thermal emission (t). s decreases slowly with increasing λ, and t increases more rapidly which are expected from optical depth effects of toroidally aligned scattering prolate grains. The weak λ dependence of s is inconsistent with the simplest case of Rayleigh scattering by small grains in the optically thin limit but can be affected by factors such as optical depth, disc substructure, and dust porosity. The sparse polarization detections from the Q-band image are also consistent with toroidally aligned prolate grains.
Fil: Lin, Zhe Yu Daniel. University of Virginia; Estados Unidos
Fil: Li, Zhi Yun. University of Virginia; 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: Carrasco González, Carlos. Universidad Nacional Autónoma de México; México
Fil: Chandler, Claire J.. National Radio Astronomy Observatory; Estados Unidos
Fil: Pasetto, Alice. Universidad Nacional Autónoma de México; México
Fil: Looney, Leslie W.. University of Illinois at Urbana; Estados Unidos
Fil: Yang, Haifeng. Peking University; China
Fil: Harrison, Rachel E.. Monash University; Australia
Fil: Sadavoy, Sarah I.. Queens University; Canadá
Fil: Henning, Thomas. Max Planck Institute for Astronomy; Alemania
Fil: Hughes, A Meredith. Wesleyan University; Estados Unidos
Fil: Kataoka, Akimasa. National Astronomical Observatory of Japan; Japón
Fil: Kwon, Woojin. Seoul National University; Corea del Sur
Fil: Muto, Takayuki. Kogakuin University; Japón
Fil: Segura Cox, Dominique. University of Texas at Austin; Estados Unidos
description Polarization is a unique tool to study the dust grains of protoplanetary discs. Polarization around HL Tau was previously imaged using the Atacama Large Millimeter/submillimeter Array (ALMA) at Bands 3 (3.1 mm), 6 (1.3 mm), and 7 (0.87 mm), showing that the polarization orientation changes across wavelength λ. Polarization at Band 7 is predominantly parallel to the disc minor axis but appears azimuthally oriented at Band 3, with the morphology at Band 6 in between the two. We present new ~0.2 arcsec (29 au) polarization observations at Q-Band (7.0 mm) using the Karl G. Jansky Very Large Array (VLA) and at Bands 4 (2.1 mm), 5 (1.5 mm), and 7 using ALMA, consolidating HL Tau´s position as the protoplanetary disc with the most complete wavelength coverage in dust polarization. The polarization patterns at Bands 4 and 5 follow the previously identified morphological transition with wavelength. From the azimuthal variation, we decompose the polarization into contributions from scattering (s) and thermal emission (t). s decreases slowly with increasing λ, and t increases more rapidly which are expected from optical depth effects of toroidally aligned scattering prolate grains. The weak λ dependence of s is inconsistent with the simplest case of Rayleigh scattering by small grains in the optically thin limit but can be affected by factors such as optical depth, disc substructure, and dust porosity. The sparse polarization detections from the Q-band image are also consistent with toroidally aligned prolate grains.
publishDate 2024
dc.date.none.fl_str_mv 2024-02
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/11336/268757
Lin, Zhe Yu Daniel; Li, Zhi Yun; Stephens, Ian; Fernandez Lopez, Manuel; Carrasco González, Carlos; et al.; Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grains; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 528; 1; 2-2024; 843-862
0035-8711
CONICET Digital
CONICET
url http://hdl.handle.net/11336/268757
identifier_str_mv Lin, Zhe Yu Daniel; Li, Zhi Yun; Stephens, Ian; Fernandez Lopez, Manuel; Carrasco González, Carlos; et al.; Panchromatic (Sub)millimeter polarization observations of HL Tau unveil aligned scattering grains; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 528; 1; 2-2024; 843-862
0035-8711
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/528/1/843/7512218
info:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/stae040
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
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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score 13.070432

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