The space frequency and origin of the runaway O and B stars
The space frequency and origin of the runaway O and B stars
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DOI：
10.1086/115880
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发表时间：
1991-07
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影响因子：
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通讯作者：
R. Stone
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文献类型：
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作者：
R. Stone
对逃逸的O星和B星的空间频率的测定非常不一致，并且提出了许多可能的系统误差来源。本文研究了这些来源，以及其他来源，并提出了确定无偏（真）空间频率的方法。在对主要的系统误差源进行校正后，对逃逸的O型恒星的空间频率测定结果非常一致，但对逃逸的b型恒星的空间频率测定结果就不那么一致了。如本文所述，逃逸的O星和B星的真实空间频率分别为46%和4%。前一个值与本文中提出的其他论点一起非常支持逃逸的O型恒星是由大质量双星中的超新星爆炸产生的。b型离家出走的起源尚不清楚。参89。
Determinations of space frequency for runaway O and B stars are in very poor agreement, and many possible sources of systematic errors have been put forward. This paper investigates these sources, as well as others, and presents means for determining unbiased (true) space frequencies. When corrected for major sources of systematic error, space frequency determinations for the runaway O stars are in very good agreement but less so for the B-type runaways. The true space frequencies of runaway O and B stars are, respectively, 46 percent and 4 percent, as discussed in this paper. The former value is very supportive, along with other arguments presented in this paper, for runaway O stars being produced from supernova explosions in massive binaries. The origin of the B-type runaways is less clear. 89 refs.