HI in the Milky Way - Selected problems illustrated by the Leiden/Dwingeloo survey

被引:0
|
作者
Burton, WB
Hartmann, D
West, SRD
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来源
UNSOLVED PROBLEMS OF THE MILKY WAY | 1996年 / 169期
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P1 [天文学];
学科分类号
0704 ;
摘要
Some of the principal problems which can be confronted with HI observations of our Galaxy are illustrated here by a selection of maps showing the disposition on the sky of HI emitting in particular velocity ranges. The data are from the new Leiden/Dwingeloo survey of the entire sky north of delta greater than or equal to -30 degrees, which has occupied the 25-meter radio telescope of the Netherlands Foundation for Research in Astronomy for a period of five years. The tendency of the general gas/dust correlation to involve some HI structures with quite anomalous velocities is illustrated by comparing some lambda 21-cm data taken on a finer grid using the Arecibo 1000-foot telescope with IRAS data in the 100-micron band.
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页码:447 / 468
页数:22
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