A CASSEGRAIN ECHELLE SPECTROGRAPH

被引：20
|
作者：
HUNTEN, DM
WELLS, WK
BROWN, RA
SCHNEIDER, NM
HILLIARD, RL
机构：
[1] SPACE TELESCOPE SCI INST,BALTIMORE,MD 21218
[2] UNIV COLORADO,BOULDER,CO 80309
[3] OPTOMECH RES INC,VAIL,CO 85641
来源：
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC | 1991年 / 103卷 / 669期
关键词：
INSTRUMENTS; ECHELLE; SPECTROGRAPHS;
D O I：
10.1086/132939
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The "LPL echelle" is a CCD spectrograph with a resolving power of 160,000 and enough sensitivity to detect the brighter airglow emissions in a few minutes. It uses an R3.2 grating in a novel out-of-plane mounting that permits any wavelength to be placed on the blaze. A single order is selected by a medium-band interference filter. Lower dispersions and broader wavelength coverage are obtained by replacing the echelle by a 600 line mm-1 grating or a Littrow prism.
引用
收藏
页码：1187 / 1192
页数：6
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