A new survey of diffuse interstellar bands (5650-6865Å)

被引：45
|
作者：
Weselak, T
Schmidt, M
Krelowski, J
机构：
[1] Nicholas Copernicus Univ, Ctr Astron, PL-87100 Torun, Poland
[2] Niclaus Copernicus Astron Ctr, PL-87100 Torun, Poland
来源：
ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES | 2000年 / 142卷 / 02期
关键词：
ISM : general; ISM : molecules;
D O I：
10.1051/aas:2000309
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
This paper presents a new systematic survey of diffuse interstellar bands in the optical wavelength range from 5650 to 6865 Angstrom based on echelle spectra of medium-reddened early-type stars acquired at McDonald Observatory. Adding up interstellar spectra of the same type (as it was done by Krelowski et al. 1997) we reached a very high signal-to-noise ratio. In this spectral range 89 new features have been discovered, 62 of them certain. In the whole spectral range of this survey we have found 240 features, 213 of them certain.
引用
收藏
页码：239 / 246
页数：8
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