AKARI Infrared Imaging of Reflection Nebulae IC4954 and IC4955

Ishihara Daisuke; Onaka Takashi; Kaneda Hidehiro; Suzuki Toyoaki; Kataza Hirokazu; Sakon Itsuki; Okada Yoko; Doi Yasuo; Fujishiro Naofumi; Fujiwara Hideaki; Ita Yoshifusa; Kii Tuneo; Kim Woojung; Makiuti Sina€?itirou; Matsumoto Toshio; Matsuhara Hideo; Murakami Hiroshi; Nakagawa Takao; Ohyama Youichi; Oyabu Shinki; Serjeant Stephen; Shibai Hiroshi; Takagi Toshinobu; Tanab?‰ Toshihiko; Uemizu Kazunori; Ueno Munetaka; Usui Fumihiko; Wada Takehiko; Watarai Hidenori; Yamamura Issei

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AKARI Infrared Imaging of Reflection Nebulae IC4954 and IC4955

机译：AKARI反射星云IC4954和IC4955的红外成像

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WepresenttheobservationsofthereflectionnebulaeIC4954andIC4955regionwiththeInfraredCameraandtheFar-InfraredSurveyor(FIS)onboardtheinfraredastronomicalsatelliteAKARIduringitsperformanceverificationphase.Weobtained7bandimagesfrom7to160$$mu$$mwithhigherspatialresolutionandhighersensitivitiesthanpreviousobservations.Thespatialvariationinthemid-infraredcolorsuggeststhatthestar-formationinIC4954/4955isprogressingfromsouth-westtonorth-east.TheFIS4-banddatafrom65$$mu$$mto160$$mu$$mallowustocorrectlyestimatethetotalinfraredluminosityfromtheregion,whichisaboutonesixthoftheenergyemittedfromtheexistingstellarsources.Fivecandidatesforyoungstellarobjectshavebeendetectedaspointsourcesforthefirsttimeinthe11$$mu$$mimageanditissuggestedthatthatcurrentstar-formationhasbeentriggeredbypreviousstar-formationactivities.Awideareamapofthesizeofabout$$1^circ$$aroundtheIC4954/4955regionwascreatedfromtheAKARImid-infraredAll-SkySurveydata.TogetherwiththeHI21a€‰cmdata,itsuggestsalargehollowstructureofadegreescale,onwhoseedgetheIC4954/4955regionhasbeencreated,indicatingstarformationoverthreegenerationsinlargelydifferentspatialscales.

机译：WepresenttheobservationsofthereflectionnebulaeIC4954andIC4955regionwiththeInfraredCameraandtheFar-InfraredSurveyor（FIS）onboardtheinfraredastronomicalsatelliteAKARIduringitsperformanceverificationphase.Weobtained7bandimagesfrom7to160 $$亩$$ mwithhigherspatialresolutionandhighersensitivitiesthanpreviousobservations.Thespatialvariationinthemid-infraredcolorsuggeststhatthestar-formationinIC4954 / 4955isprogressingfromsouth-westtonorth-east.TheFIS4-banddatafrom65 $$亩$$ mto160 $$亩$$ mallowustocorrectlyestimatethetotalinfraredluminosityfromtheregion，whichisaboutonesixthoftheenergyemittedfromtheexistingstellarsources.Fivecandidatesforyoungstellarobjectshavebeendetectedaspointsourcesforthefirsttimeinthe11 $$亩$$ mimageanditis暗示当前的恒星形成已被先前的恒星形成活动所束缚。IC4954/ 4955区域周围的IC4954 / 4955区域创建了大约$ 1 ^^ $$的大范围区域图，它是由HIHI数据组成的，其低层级的数据通过HIHI进行了研究。已经创建了其IC4954 / 4955区域的边缘，表示在很大不同的空间尺度上三代以上的星型。

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《PASJ: Publications of the Astronomical Society of Japan》 |2007年第sp2期|共页
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Ishihara Daisuke; Onaka Takashi; Kaneda Hidehiro; Suzuki Toyoaki; Kataza Hirokazu; Sakon Itsuki; Okada Yoko; Doi Yasuo; Fujishiro Naofumi; Fujiwara Hideaki; Ita Yoshifusa; Kii Tuneo; Kim Woojung; Makiuti Sina€?itirou; Matsumoto Toshio; Matsuhara Hideo; Murakami Hiroshi; Nakagawa Takao; Ohyama Youichi; Oyabu Shinki; Serjeant Stephen; Shibai Hiroshi; Takagi Toshinobu; Tanab?‰ Toshihiko; Uemizu Kazunori; Ueno Munetaka; Usui Fumihiko; Wada Takehiko; Watarai Hidenori; Yamamura Issei;
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2. WIDE-FIELD INFRARED IMAGING POLARIMETRY OF THE NGC 6334 REGION: A NEST OF INFRARED REFLECTION NEBULAE [J] . J. Hashimoto, M. Tamura, R. Kandori, The Astrophysical journal . 2008,第1pa2期

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3. AKARI/IRC NEAR-INFRARED SPECTRAL ATLAS OF GALACTIC PLANETARY NEBULAE [J] . Ryou Ohsawa1, Takashi Onaka2, Itsuki Sakon2, The Astrophysical journal . 2016,第4期

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AKARI Infrared Imaging of Reflection Nebulae IC4954 and IC4955

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