Observing conditions for optical astronomy at Leh

Details Observing conditions for optical astronomy at Leh Observing conditions for optical astronomy at Leh

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989basi...17...83s&link_type=abstract

Astronomical Society of India, Bulletin (ISSN 0304-9523), vol. 17, Sept. 1989, p. 83-94. Research sponsored by the Department of

Astronomy and Astrophysics

Astronomy

6

Astronomical Observatories, Seeing (Astronomy), Sky Surveys (Astronomy), Astronomical Photometry, Astronomical Spectroscopy, Frequency Distribution, Humidity, Transparence, Ubv Spectra

Scientific paper

The sky and atmospheric conditions at Leh have been monitored since 1984 with a view to determining its suitability as a site for a high-altitude observatory. During May-November, 1987, relative humidity and other parameters were monitored giving qualitative indices viz. photometric and spectroscopic hours, and seeing conditions throughout the nonwinter months. Extinction coefficients in UBV bands have been measured on 30 nights in 1987. The average values of extinction coefficients are k(v) = 0.18 + or - 0.05 (s.d.), k(b) = 0.28 + or - 0.04, and k(u) = 0.53 + or - 0.04. These values agree well with those reported earlier for 1985-1986, and appear to represent consistent conditions.

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