Observations of Extremely Cool Stars
Observations of Extremely Cool Stars
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极冷恒星的观测
DOI：
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发表时间：
1965
期刊：
影响因子：
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通讯作者：
R. Leighton
中科院分区：
文献类型：
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作者：
G. Neugebauer;D. E. Martz;R. Leighton
作为加州理工学院进行的红外天文学计划的一部分，在0.68-0.92 μ和2.01- 2.00 μ两个红外光谱范围内对天空进行了观测。
2.41，正在进行。这样一个调查的动机是获得在2.0-2.5 μ大气窗口中发射的物体的无偏普查;这当然包括许多普通的恒星，但它也可能揭示许多可能感兴趣的物体，这些物体不会被包括在要测量的物体的先验选择中。事实上，我们已经发现了一些非常红的恒星，因为这些“超红”恒星大多数都出现在银河系中，星际变红可能是一种后果;但至少在少数情况下，这些恒星似乎本质上是非常红的。这些初步结果似乎足够有趣，值得在这个时候简要描述。
As one part of a program of infrared astronomy carried on at the California Institute of Technology, a survey of the sky in two infrared spectral ranges, 0.68-0.92 μand 2.01-
2.41 μ, is being carried out. The motivation for such a survey is to obtain an unbiased census of objects that emit in the 2.0-2.5-μ atmospheric window; this will, of course, include many ordinary stars, but it might also reveal many potentially interesting objects that would not be included in an a priori selection of objects to be measured. In fact, a number of strikingly red stars have already been found. Since most of these "superred" stars occur in the Milky Way, interstellar reddening may be of some consequence; but in at least a few cases the stars seem to be intrinsically extremely red. These preliminary results seem of sufficient interest to merit brief description at this time.