A laboratory database of solid CO and CO2 for ISO

被引：0
|
作者：
Ehrenfreund, P
Boogert, ACA
Gerakines, PA
Jansen, DJ
Schutte, WA
Tielens, AGGM
vanDishoeck, EF
机构：
[1] KAPTEYN ASTRON INST, NL-9700 AV GRONINGEN, NETHERLANDS
[2] RENSSELAER POLYTECH INST, DEPT PHYS APPL PHYS & ASTRON, TROY, NY 12180 USA
[3] NASA, AMES RES CTR, MOFFETT FIELD, CA 94035 USA
来源：
ASTRONOMY & ASTROPHYSICS | 1996年 / 315卷 / 02期
关键词：
ISM; molecules; dust; infrared; interstellar; lines;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present laboratory measured infrared spectra of mixtures containing CO and CO:! at low temperatures. The profiles and peak position of the absorption features due to these species are very sensitive to molecular environment, temperature, irradiation history and particle shape. Illustrative examples of these variations are briefly discussed. We have compiled datafiles containing the laboratory spectra, derived optical constants, as well as extinction efficiency calculations for small grains. These files can be retrieved from the WWW in various formats after November 1st, 1996, under http://www.strw.leidenuniv.nl/similar to ehrenfreund/isodb. Together with astronomical spectra taken by the ISO satellite these laboratory data will be valuable for the determination of the grain mantle composition and grain evolution in dense clouds.
引用
收藏
页码：L341 / L344
页数：4
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