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THE DISPLACEMENT OF THE SUN FROM THE GALACTIC PLANE USING IRAS AND FAUST SOURCE COUNTS

机译:使用IRAS和浮点源计数从银河系平面上移位太阳。

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I determine the displacement of the Sun from the Galactic plane by interpreting IRAS point-source counts at 12 and 25 μm in the Galactic polar caps using the latest version of the SKY model for the point-source sky (Cohen 1994). A value of z_☉ = 15.5 ± 0.7 pc north of the plane provides the best match to the ensemble of useful IRAS data. Shallow K counts in the north Galactic pole are also best fitted by this offset, while limited FAUST far-ultraviolet counts at 1660 A near the same pole favor a value near 14 pc. Combining the many IRAS determinations with the few FAUST values suggests that a value of z_☉ = 15.0 ± 0.5 pc (internal error only) would satisfy these high-latitude sets of data in both wavelength regimes, within the context of the SKY model.
机译:通过使用最新版本的SKY模型对点源天空进行解释,我解释了银河极盖中12和25μm处的IRAS点源计数,从而确定了太阳从银河平面的位移(Cohen 1994)。平面以北的z_☉= 15.5±0.7 pc的值提供了与有用的IRAS数据集合的最佳匹配。此偏移量也最适合北银河极中的浅K计数,而在同一极附近有限的FAUST远紫外线计数在1660 A时,其值最好在14 pc附近。将许多IRAS测定结果与几个FAUST值结合起来,可以得出结论,在SKY模型的背景下,z_☉= 15.0±0.5 pc(仅内部误差)的值将在两个波长范围内满足这些高纬度数据集。

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