Decomposition of the Superwind in M 82

Ohyama Youichi; Taniguchi Yoshiaki; Iye Masanori; Yoshida Michitoshi; Sekiguchi Kazuhiro; Takata Tadafumi; Saito Yoshihiko; Kawabata Koji S.; Kashikawa Nobunari; Aoki Kentaro; Sasaki Toshiyuki; Kosugi George; Okita Kiichi; Shimizu Yasuhiro; Inata Motoko; Ebizuka Noboru; Ozawa Tomohiko; Yadoumaru Yasushi; Taguchi Hiroko; Asai Ryo

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Decomposition of the Superwind in M 82

机译：M 82中的超级风分解

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Wepresentnewopticalimages($$B,V$$,and$$mathrm{H}alpha$$)ofthearchetypicalstarburst/superwindgalaxyM82obtainedwiththe8.2a€‰mSubaruTelescopetorevealnewdetailedstructuresofthesuperwind-drivennebulaandthehigh-latitudedarklanes.Theemission-linenebulaisdecomposedinto(1)aridge-dominatedcomponentcomprisingnumerousfilament/loopsub-structureswhoseoverallmorphologyappearsasapairofnarrowcylinders,and(2)adiffusecomponentextendedovermuchwideropeninganglefromthenucleus.Wesuggestthatthesetwocomponentshavedifferentorigins.Theridge-dominatedcomponentappearsasapairofcylindersratherthanapairofcones.SincethismorphologicalpropertyissimilartothatofhotplasmaprobedbysoftX-ray,thiscomponentseemstosurroundthehotplasma.Ontheotherhand,thediffusecomponentmayarisefromdustgrainswhichscatterstellarlightfromthegalaxy.Sinceinnerregionofthiscomponentisseenovertheprominenta€?Xa€?-shapeddarklanesstreamingoutfromthenuclearregionandtheycanbereproducedasaconicaldistributionofdustgrains,thereseemstobeadustycoldoutflowaswellasthehotoneprobedbysoftX-rayandshock-excitedopticalemissionlines.Ifthisisthecase,thepresenceofsuchhigh-latitudedustgrainsimpliesthatneutralgaseousmatterisalsoblownoutduringthecourseofthesuperwindactivity.

机译：Wepresentnewopticalimages（$$ B，V $$，和$$ mathrm {H}阿尔法$$）ofthearchetypicalstarburst / superwindgalaxyM82obtainedwiththe8.2a€‰mSubaruTelescopetorevealnewdetailedstructuresofthesuperwind-drivennebulaandthehigh-latitudedarklanes.Theemission-linenebulaisdecomposedinto（1）aridge-dominatedcomponentcomprisingnumerousfilament / loopsub-structureswhoseoverallmorphologyappearsasapairofnarrowcylinders，和（ 2）adiffusecomponentextendedovermuchwideropeninganglefromthenucleus.Wesuggestthatthesetwocomponentshavedifferentorigins.Theridge-dominatedcomponentappearsasapairofcylindersratherthanapairofcones.SincethismorphologicalpropertyissimilartothatofhotplasmaprobedbysoftX射线，thiscomponentseemstosurroundthehotplasma.Ontheotherhand，thediffusecomponentmayarisefromdustgrainswhichscatterstellarlightfromthegalaxy.Sinceinnerregionofthiscomponentisseenovertheprominenta€？XA€？-shapeddarklanesstreamingoutfromthenuclearregionandtheycanbereproducedasaconicaldistributionofdustgrains，thereseemstobeadustycoldoutflowaswellast如果是这种情况，那么这种高纬度尘埃的存在意味着中性气态物质在超风速过程中也会被吹走。

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《PASJ: Publications of the Astronomical Society of Japan》 |2002年第6期|共页
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Ohyama Youichi; Taniguchi Yoshiaki; Iye Masanori; Yoshida Michitoshi; Sekiguchi Kazuhiro; Takata Tadafumi; Saito Yoshihiko; Kawabata Koji S.; Kashikawa Nobunari; Aoki Kentaro; Sasaki Toshiyuki; Kosugi George; Okita Kiichi; Shimizu Yasuhiro; Inata Motoko; Ebizuka Noboru; Ozawa Tomohiko; Yadoumaru Yasushi; Taguchi Hiroko; Asai Ryo;
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1. Spectropolarimetry of the superwind filaments of the starburst galaxy M 82 II: Kinematics of the dust surrounding the nuclear starburst† [J] . Michitoshi Yoshida, Koji S Kawabata, Youichi Ohyama, Publications of the Astronomical Society of Japan . 2019,第4期

机译：M 82 II爆炸形星系超风细丝的光谱极化法：核爆炸形尘埃运动学†
2. Spectropolarimetry of the superwind filaments of the starburst galaxy M82 II: Kinematics of the dust surrounding the nuclear starburst [J] . Yoshida Michitoshi, Kawabata Koji S., Ohyama Youichi, PASJ: Publications of the Astronomical Society of Japan . 2019,第4期

机译：Starburst Galaxy M82 II的超潮长丝的分光极微分：核爆炸围系的尘埃的运动学
3. DUST SCATTERING AND THE RADIATION PRESSURE FORCE IN THE M82 SUPERWIND [J] . Carl T. Coker, Todd A. Thompson, Paul Martini The Astrophysical journal . 2013,第1期

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5. Ionized gas in the halos of edge-on infrared-bright galaxies: Evidence for starburst-driven superwinds. [D] . Lehnert, Matthew David. 1993

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7. Spatially resolved Spitzer-IRS spectral maps of the superwind in M82 [O] . Beirão P., Armus L., Lehnert M. D., 2015

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Decomposition of the Superwind in M 82

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