Measurement of rotational temperature at kolhapur, India

被引：5
作者：
Mukherjee, GK [1 ]
Parihar, N [1 ]
机构：
[1] Indian Inst Geomagnetism, Navi Mumbai 410218, India
来源：
ANNALES GEOPHYSICAE | 2004年 / 22卷 / 09期
关键词：
atmospheric composition and structure; middle atmosphere; composition and chemistry; pressure; density and temperature; history of geophysics; atmospheric sciences;
D O I：
10.5194/angeo-22-3315-2004
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Measurements of the hydroxyl rotational temperature for the (8,3) Meinel band have been reported from the observations of the ratio of the relative intensities of P-1(2) and P-1(4) lines of the OH(8,3) band at Kolhapur (16.8degrees N, 74.2degrees E, dip lat. 10.6degrees N) in India during the period 1 November 2002-29 April 2003 using tilting-filter photometers. Mean values of rotational temperature have been computed for 60 nights. The monthly mean value of temperature lies in the range 194(+/-11)-208(+/-18) K. The mean rotational temperature obtained from all the measurements was found to be 202 +/- 15 K. The results agree with other lowlatitude measurements of rotational temperature using photometric airglow techniques. Quasi-periodic fluctuations with a period of about one to two hours have been prominent on many nights. Further-more, the results show the general agreement between observations and model (MSIS-86) predictions.
引用
收藏
页码：3315 / 3321
页数：7
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