High-Resolution Images of the Ring Nebula Taken with the Subaru Telescope

Komiyama Yutaka; Yagi Masafumi; Miyazaki Satoshi; Okamura Sadanori; Tamura Shinichi; Fukushima Hideo; Doi Mamoru; Furusawa Hisanori; Fuse Tetsuharu; Hamabe Masaru; Hayashi Masahiko; Hayashino Tomoki; Imi Katsumi; Iye Masanori; Kaifu Norio; Karoji Hiroshi; Kawasaki Wataru; Kimura Masahiko; Kosugi George; Nakata Fumiaki; Noumaru Junichi; Okada Norio; Sasaki Toshiyuki; Sawada Yasuhiro; Sekiguchi Maki; Shelton Ian; Shimasaku Kazuhiro; Suzuki Katsuyuki; Takata Tadafumi; Taniguchi Yoshiaki; Usuda Tomonori; Yamashita Takuya; Yasuda Naoki

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High-Resolution Images of the Ring Nebula Taken with the Subaru Telescope

机译：斯巴鲁望远镜拍摄的环形星云的高分辨率图像

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Wepresenthigh-resolutionimagesoftheRingNebulaintheH?±,V,andBbandstakenwiththeSubarutelescope.TheH?±imagerevealsthefinestructureoftheinnerandouterhalosinunprecedenteddetail.TheinnermostpartoftheinnerhalojustoutsideofthemainringmaybeidentifiedasanewcomponentintermsofthesurfacebrightnesshierarchyseenintheRingNebula.Afilamentarystructureconsistingofloopsandknots,whichgivesapetal-likeappearancetotheinnerhalo,isalsoseeninthisnewcomponent.Theouterhaloisfoundtoshowalimb-brightenedknottystructuresimilartotheinnerhalo,butatmuchfainterlevels.Thetypicalsizeoftheknots,however,isclearlydifferentbetweenthetwohalos.ThemediansizemeasuredontheH?±imageis1a€3.2and3.a€32intheinnerandouterhalos,respectively.Thecorrespondinglifetime,whichisdefinedbythesizedividedbythethermalvelocity,is400yearsand1200years.Thetri-colorimagewasmadewithH?±,V,andBimagesafterbeingsharpenedbythemaximum-entropymethod.TheimageshowsthefinestructureofthemainringandtheenhancedbandsofemissionrunningacrossthecentralholewitharesolutioncomparabletotheimagetakenwiththeHubbleSpaceTelescope.Thefeaturesnewlyfoundinthepresentimagesmaygivesomesupport,butmorechallenges,totheunifiedmodelproposedbyGuerreroetal.

机译：Wepresenthigh-resolutionimagesoftheRingNebulaintheH？±，V，andBbandstakenwiththeSubarutelescope.TheH？±imagerevealsthefinestructureoftheinnerandouterhalosinunprecedenteddetail.TheinnermostpartoftheinnerhalojustoutsideofthemainringmaybeidentifiedasanewcomponentintermsofthesurfacebrightnesshierarchyseenintheRingNebula.Afilamentarystructureconsistingofloopsandknots，whichgivesapetal-likeappearancetotheinnerhalo，isalsoseeninthisnewcomponent.Theouterhaloisfoundtoshowalimb-brightenedknottystructuresimilartotheinnerhalo，butatmuchfainterlevels.Thetypicalsizeoftheknots，但是，isclearlydifferentbetweenthetwohalos.ThemediansizemeasuredontheH？，分别±imageis1a€3.2and3.a€32intheinnerandouterhalos相应的寿命由热速度确定，为400年和1200年。三色图像通过最大熵方法进行了锐化后，由H？，V和B图像制成。用哈勃太空望远镜拍摄的图像进行比喻。在当前图像中新发现的特征可能会给Guerreroetal提出的统一模型提供一些支持，但面临更多挑战。

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《PASJ: Publications of the Astronomical Society of Japan》 |2000年第1期|共页
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Komiyama Yutaka; Yagi Masafumi; Miyazaki Satoshi; Okamura Sadanori; Tamura Shinichi; Fukushima Hideo; Doi Mamoru; Furusawa Hisanori; Fuse Tetsuharu; Hamabe Masaru; Hayashi Masahiko; Hayashino Tomoki; Imi Katsumi; Iye Masanori; Kaifu Norio; Karoji Hiroshi; Kawasaki Wataru; Kimura Masahiko; Kosugi George; Nakata Fumiaki; Noumaru Junichi; Okada Norio; Sasaki Toshiyuki; Sawada Yasuhiro; Sekiguchi Maki; Shelton Ian; Shimasaku Kazuhiro; Suzuki Katsuyuki; Takata Tadafumi; Taniguchi Yoshiaki; Usuda Tomonori; Yamashita Takuya; Yasuda Naoki;
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High-Resolution Images of the Ring Nebula Taken with the Subaru Telescope

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