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HD 154229


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Photometric and spectroscopic analysis of high galactic latitude molecular clouds. II - High-resolution spectroscopic observations of NA I, CA II, CA I, CH, and CH(+1)
High-resolution spectroscopic observations in the wavelengths of thespecies Na I, Ca II, and Ca I and the molecular species CH and CH(+)have been performed toward stars behind a variety of high galacticlatitude molecular clouds (HLCs). Seventeen new detections of molecularabsorption are reported. The sizes, densities, and molecular contentfound for the HLCs are consistent with an interpretation of HLCmolecular cores as extremely compact structures of enhanced molecularcontent which may have evolved from larger H I shells.

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观测天体数据

星座:蛇夫座
右阿森松:17h04m30.85s
赤纬:-07°42'15.7"
视星:8.27
距离:221.239 天文距离
右阿森松适当运动:19.2
赤纬适当运动:5.4
B-T magnitude:8.733
V-T magnitude:8.309

目录:
适当名称
HD 1989HD 154229
TYCHO-2 2000TYC 5643-170-1
USNO-A2.0USNO-A2 0750-10338955
HIPHIP 83548
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