First NIR Polarimetry of 30 Doradus

Nakajima Yasushi; Kandori Ryo; Tamura Motohide; Kusakabe Nobuhiko; Hashimoto Jun; Nagayama Takahiro; Nagata Tetsuya; Hatano Hirofumi; Kato Daisuke; Hough James H.

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First NIR Polarimetry of 30 Doradus

机译：30 Doradus的第一个NIR极化

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Wehavecarriedoutthefirstnear-infrared(NIR)polarimetricimagingobservationsofthecentralpart(7$$ lap{.}^{prime}$$7$$ imes$$7$$ lap{.}^{prime}$$7$$sim110{ m;pc} imes110{ m;pc}$$)of30Doradus.Thetotalsof106,131,and34sourceshavesignificantpolarizationdegreesat$$J,H$$,and$$K_{ ms}$$,respectively.The$$E$$-vectorstoward30Dorweremappedwithunprecedentedlyhighresolutions.Aspreviouslynoticedbyopticalobservations,thereisanoveralltendencyforthe$$E$$-vectorstoberoughlyalignedintheeast-westdirection.Inaddition,ourobservationsrevealamorecomplexstructureoftheiralignment.Thepositionanglesofthe$$E$$-vectorsarenotuniform,butshowagradualspatialvariation.Itisplausibletoassumethattheytracethemagneticfieldtoward30Dor.Oneoftheexpandingshellstoward30Dor,Shell5,isclearlyenvelopedby$$E$$-vectors.Theexpandingshellhasprobablysweptthemagneticfieldtogetherintotherim,whilecreatingthecurvedstructure.WeobtainedtheratiosofpolarizationdegreeamongtheNIRwavelengths:$$P_H/P_J=0.76pm0.02$$and$$P_{K_{ ms}}/P_H=0.87pm0.06$$.Thesefitapower-lawdependenceof$$Pproptolambda^{-0.9}$$.

机译：我们已经对中央部分进行了首次近红外（NIR）极化成像观测（每圈7 $$ {。} ^ {prime} $$ 7 $$ imes $$ 7 $$ lap {。} ^ {prime} $ 7 $ sim110 {m; pc} imes110 {m; pc} $$）在30 Doradus中。总共106,131和34个源分别具有$$ J，H $$和$$ K_ {ms} $$的显着极化度。$ E $-向量向30Dorwer的映射具有前所未有的高分辨率。 vectorstoberoughlyalignedintheeast-westdirection.Inaddition，ourobservationsrevealamorecomplexstructureoftheiralignment.Thepositionanglesofthe $$ë$$ - vectorsarenotuniform，butshowagradualspatialvariation.Itisplausibletoassumethattheytracethemagneticfieldtoward30Dor.Oneoftheexpandingshellstoward30Dor，Shell5，isclearlyenvelopedby $$ë$$ - vectors.Theexpandingshellhasprobablysweptthemagneticfieldtogetherintotherim，whilecreatingthecurvedstructure.WeobtainedtheratiosofpolarizationdegreeamongtheNIRwavelengths：$$ P_H / P_J = 0.76pm0.02 $$ and $$ P_ {K_ {ms}} / P_H = 0.87pm0.06 $$。Thesef $ propproplambda ^ {-0.9} $$的itapower-lawdependence

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《PASJ: Publications of the Astronomical Society of Japan》 |2007年第3期|共页
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Nakajima Yasushi; Kandori Ryo; Tamura Motohide; Kusakabe Nobuhiko; Hashimoto Jun; Nagayama Takahiro; Nagata Tetsuya; Hatano Hirofumi; Kato Daisuke; Hough James H.;
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1. First NIR polarimetry of 30 Doradus [J] . Nakajima Y, Kandori R, Tamura M, PASJ: Publications of the Astronomical Society of Japan . 2007,第3期

机译：30 Doradus的首次NIR极化
2. The VLT-FLAMES Tarantula Survey - XVI. The optical and NIR extinction laws in 30 Doradus and the photometric determination of the effective temperatures of OB stars [J] . J. Maíz Apellániz, C. J. Evans, R. H. Barbá, Astronomy and astrophysics . 2014,第21期

机译：VLT-FLAMES塔兰图拉毒蛛调查-XVI。 30 Doradus的光学和近红外消光定律以及光度法测定OB星的有效温度
3. A YOUNG STELLAR CLUSTER WITHIN THE RCW41 H II REGION: DEEP NIR PHOTOMETRY AND OPTICAL/NIR POLARIMETRY* [J] . Fábio P. Santos1, Alexandre Roman-Lopes2, Gabriel A. P. Franco1 The Astrophysical journal . 2012,第2期

机译：RCW41 H II区域内的一个年轻的星团：深近红外光度法和光学/近红外偏光法*
4. II Zw 40 - 30 Doradus on Steroids [C] . Claus Leitherer, Janice C. Lee, Emily M. Levesque International Astronomical Union., Symposium . 2017

机译：II ZW 40 - 30类Doradus在类固醇上
5. The initial mass function and star-formation history in the 30 Doradus super-association. [D] . Selman, Fernando J. 2004

机译：30 Doradus超级协会的初始质量函数和恒星形成历史。
6. BRACAVENIR - impact of a psychoeducational intervention on expectations and coping in young women (aged 18–30 years) exposed to a high familial breast/ovarian cancer risk: study protocol for a randomized controlled trial [O] . Fabrice Kwiatkowski, Pascal Dessenne, Claire Laquet, 2016

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7. The VLT-FLAMES Tarantula Survey XVI. The optical and NIR extinction laws in 30 Doradus and the photometric determination of the effective temperatures of OB stars [O] . Maiz Apellaniz J, Evans C. J, Barba R. H, 2014

机译：VLT-FLAMES塔兰图拉毒蛛调查XVI。 30 Doradus的光学和近红外消光定律以及光度法测定OB星的有效温度
8. Balmer Line Photometry of the 30 Doradus Nebula [R] . Federico M. Strauss, Maria Aloina Braz, Jorge R. Ducati 1979

机译：30个Doradus星云的Balmer线光度学

First NIR Polarimetry of 30 Doradus

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