Kumar, Brijesh ; Ram Sagar, ; Rautela, B. S. ; Srivastava, J. B. ; Srivastava, R. K. (2000) Sky transparency over Naini Tal : a retrospective study Bulletin of the Astronomical Society of India, 28 (4). pp. 675-686. ISSN 0304-9523
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Abstract
We present an analysis of the atmospheric extinction coefficients measured during 1964 to 1999 in broad-band photometric passbands at U.P. State Observatory, Naini Tal. The extinction properties are also studied from the monochromatic extinction measurements carried out during 1970 to 1978. It is observed that except the yearly variation, no noticeable long term variation in extinction has been found over last 35 years. The extinctions in the ultraviolet region were found low at Naini Tal in comparison to other sites in the world. The extinctions due to aerosols are observed to be the minimum.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Astronomical Society of India. |
| Keywords: | Atmospheric Extinction; Observatory Site; Aerosols |
| ID Code: | 67778 |
| Deposited On: | 31 Oct 2011 13:35 |
| Last Modified: | 18 May 2016 14:44 |
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