Studies of the Radistion Mechanism and the Morphology of the Interstellar Gas by Observation with 2-dimensional Far-Infrared Camera

二维远红外相机观测研究星际气体的辐射机制和形态

基本信息

项目摘要

The main subject of this research is to investigate the energy source of the interstellar clouds by observing far-infrared continuum emisison from the interstellar dust grains.First, an eight-element far-infrared linear array detector was newly developed for mapping an wide area of the sky with higher efficiency. This new array achieved the highest responsivity and the pixel size of the linear array. An off-axis telescope was manufactured in order to reduce the instrumental infrared emission which is the dominant noise source. The detector and the telescope were mounted on a balloon gondola that has an attitudde control system and other HK functions.The balloon telescope system was flown at Sanriku Ballon Center on September 6,1993. This experiment was successfull in obtaining a far-infrared continuum map of the Galactic plane in 20-45 degree in longitude. The center wavelength was 160 micron and the spatial resolution was 6 arcminute. This wavelength had not been covered by IRAS and the COBE 160 micron map has only 0.7 degree resolution. Therefore, the 160 micron map taken by this observatiton is a unique data.Analysing the data, we found the fact that the temperature of the interstellar dust grain in the Galactic plane is nearly uniform in 0.1 degree scale, which suggests that the dust grain distributes uniformely rather than near-by the energy source. This conclusion agrees to that obtained from the [CII] line intensity map taken by us.
本研究的主要内容是通过观测星际尘埃颗粒的远红外连续谱来研究星际云的能量来源。首先,为了更高效率地绘制大范围的天空地图,新研制了一种八元远红外线阵探测器。这种新的阵列实现了线性阵列的最高响应率和像素大小。为了降低仪器红外辐射这一主要噪声源,研制了一种离轴望远镜。探测器和望远镜安装在具有姿态控制系统和其他香港功能的气球吊车上。气球望远镜系统于1993年9月6日在三陆气球中心试飞。这项实验成功地获得了经度20-45度的银河系平面的远红外连续图。中心波长为160微米,空间分辨率为6角分。该波长还没有被IRAS覆盖,而COBE 160微米MAP只有0.7度分辨率。因此,此次观测拍摄的160微米图是一个独一无二的数据。分析这些数据,我们发现银河系平面内星际尘埃颗粒的温度在0.1度尺度上几乎是均匀的,这表明尘埃颗粒的分布是均匀的,而不是靠近能源。这一结论与我们拍摄的[CII]谱线强度图的结果一致。

项目成果

期刊论文数量(26)
专著数量(0)
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专利数量(0)
H.Shibai et al.: "Far-Infrared Continuum Emission from the Galactic Plane" (in preparation).
H.Shibai 等人:“来自银河平面的远红外连续发射”(准备中)。
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H.Murakami et al.: "The Infrared Telescope in Space (IRTS)" Astrophysical Journal. 428 in press. (1994)
H.Murakami 等人:“太空红外望远镜 (IRTS)”天体物理学杂志。
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Hiroshi Shibai: "Proc.of SPIE Vol.2268,"Infrared Spaceborne Remote Sensing II",ed.M.S.Scholl,P142-149" An Eight Element Stressed Ge : Ga Linear Array : Development and Performance, 142-149 (1994)
Hiroshi Shibai:“Proc.of SPIE Vol.2268,“红外星载遥感 II”,ed.M.S.Scholl,P142-149”八元素应力 Ge:Ga 线性阵列:开发和性能,142-149 (1994)
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Takao Makagawa: "For-Infrared [CII] Lines Survey of the Calaxy" Proceedings of 3rd Annual October Astrophysics Conference in Mary land:“Back to the Galaxy". (1993)
Takao Makakawa:“星河的红外 [CII] 线勘测”马里兰州第三届 10 月天体物理学会议论文集:“回到银河系”(1993 年)。
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Hiroshi Shibai: "Balloon Observations of Interstellar [CII](158 Micron) and [OI](63Micron) Lines" Advances in Space Research. 13. (2)201-(2)204 (1993)
Hiroshi Shibai:“星际 [CII](158 微米)和 [OI](63 微米)线的气球观测”空间研究进展。
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SHIBAI Hiroshi其他文献

SHIBAI Hiroshi的其他文献

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{{ truncateString('SHIBAI Hiroshi', 18)}}的其他基金

Advanced Study of the Star-Formation Process by High Resolution Imaging with Far-Infrared Interferometer
远红外干涉仪高分辨率成像对恒星形成过程的深入研究
  • 批准号:
    15002006
  • 财政年份:
    2003
  • 资助金额:
    $ 4.35万
  • 项目类别:
    Grant-in-Aid for Specially Promoted Research
Advanced Cryogenic Electronics for Astronomical Array Sensors
用于天文阵列传感器的先进低温电子器件
  • 批准号:
    14204015
  • 财政年份:
    2002
  • 资助金额:
    $ 4.35万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Far-Infrared Observation of Metal-Poor Interstellar Medium
贫金属星际介质的远红外观测
  • 批准号:
    11304011
  • 财政年份:
    1999
  • 资助金额:
    $ 4.35万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Development of Cryogenic Electronics for High Sensitivity Sensors
高灵敏度传感器低温电子器件的开发
  • 批准号:
    10354002
  • 财政年份:
    1998
  • 资助金额:
    $ 4.35万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)

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