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Browsing by Author "Sagar, Ram"

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Altitude variation of aerosol properties over the Himalayan range inferred from spatial measurements

Dumka, U. C.; Moorthy, K. K.; Tripathi, S. N.; Hegde, P.; Sagar, Ram (Science Direct, 2011)

Altitude variations of the mass concentration of black carbon, number concentration of composite aerosols are examined along with the columnar spectral aerosol optical depths using state of the art instruments and the ...
ARIES ST Radar: The First Central Himalayan Wind Profiler

Bhattacharjee, Samaresh; Naja, Manish; Jaiswal, Aditya; Rawat, Kishan Singh; Sagar, Ram; Ananthakrishnan, S. (Journal of Astronomical Instrumentation, 2022-12)

Recently, a 206.5 MHz Stratosphere Troposphere (ST) Radar system was successfully installed and made operationalized at Aryabhatta Research Institute of Observational Sciences (ARIES) (29.4N, 79.2E, 1793 m amsl), Nainital, ...
The gap in the H-R diagram of open clusters with special reference to NGC 2169, NGC 1778 and Tr ׀

Sagar, Ram; Joshi, U. C. (1978)

The colour-magnitude diagrams of the open clusters NGG 1778 and Tr 1 indicate the presence of gaps of the rising branches of the evolving main sequence. the positions of these gaps are compared with those found in other ...
History of ARIES: a premier research institute in the area of observational sciences

Sagar, Ram (Indian Journal of History of Science, 2022-08)

The Aryabhatta Research Institute of Observational Sciences (ARIES), a premier autonomous research institute under the Department of Science and Technology, Government of India has a legacy of about seven decades with ...

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