论文标题
非常广泛的漫射星际乐队的调查
Survey of very broad Diffuse Interstellar Bands
论文作者
论文摘要
本文考虑了一组非常特殊的星际特征---宽扩散的星际乐队（DIB），位于4430、4882、5450、5779和6175Å。该集合很小，由于严重的恒星，星际，有时在其广泛的特征中，这些DIB的等效宽度的测量很具有挑战性。然而，我们证明它们确实与其他较窄的漫射频带以及颜色过剩的E（b $ - $ v）的其他较窄的漫射频带相关联（虽然较小的程度为4882和5450）。所研究的宽dibs与星际分子CH和星际K {\ sc i}均息息相关，即几乎不可能验证这些环境是促进非常宽的DIB载体形成的环境是否以分子或原子气体为主导的，因为这两种物种都可能占据相同的体积。
This paper considers a very special set of a few interstellar features --- broad diffuse interstellar bands (DIBs) at 4430, 4882, 5450, 5779 and 6175 ÅÅ. The set is small, and measurements of equivalent widths of these DIBs are challenging because of severe stellar, interstellar, and sometimes, also telluric contaminations inside their broad profiles. Nevertheless, we demonstrate that they do correlate pretty tightly (DIBs 4882 and 5450 to a lesser extent though) with other narrower diffuse bands, as well as with the color excess E(B$-$V). The studied broad DIBs correlate well with both interstellar molecule CH and interstellar K{\sc i}, i.e. it is hardly possible to verify whether the environments, facilitating the formation of very broad DIB carriers, are dominated by either molecular or atomic gas as both these species likely occupy the same volume.
