A survey of formaldehyde in high Galactic latitudes

A survey of formaldehyde in high Galactic latitudes
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发表时间:
1987-06
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通讯作者:
A. Heithausen;U. Mebold;H. W. D. Vries
A. Heithausen;U. Mebold;H. W. D. Vries
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作者:
A. Heithausen;U. Mebold;H. W. D. Vries

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本文报道了在银河系高纬度地区观测到的15个CO云中有4个含有甲醛(H_2CO)。对于其中之一的速度集成甲醛地图。这些云显然与de弗里斯等人(1986)描述的CO云、林德亮星云和林德暗星云(林德,1963)以及银河系红外卷云(Low等人,1984年)。比较了CO云和H_2CO云的分布。I(10-11)H_2CO谱线的深度与J = I-0(C-12)O谱线的积分强度无关。
The discovery of formaldehyde (H2CO) in four out of 15 CO-clouds observed in high Galactic latitudes is reported. For one of these a velocity-integrated formaldehyde map is presented. The clouds are clearly connected to CO clouds described by de Vries et al. (1986), to Lynds bright and dark nebulae (Lynds, 1963), and to the Galactic infrared cirrus (Low et al., 1984). The distribution of CO and H2CO clouds is compared. The depths of the l(10-11)H2CO lines show no correlation to the integrated J = l-0(C-12)O line intensities.