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

页码：3315 / 3321

页数：7

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