• Progress of meteorology in India 

  Das, A. K (Indian Science Congress Association, 1938)
• Distribution of radiation flux across a sunspot 

  Das, A. K; Ramanathan, A. S (Springer, 1953)
• Temperature at the poles and at the equator of the sun 

  Das, A. K; Abhyankar, K. D (Elsevier, 1955)

  The equivalent widths of the g and K lines are measured at the pole and at the equator of the Sun during a period of minimum solar activity. The difference of temperature between pole and equator is evaluated by Woolley's ...
• Kodaikanal Observatory 

  Das, A. K (Nature Publishing Group, 1952-07-12)
• Sunspot activity during the current cycle - A review 

  Ananthakrishnan, R; Sethumadhavan, K; Das, A. K (National Institute of Science Communication And Information Resources, 1947-09)
• Solar noise burst of 11 April 1952 and associated ionospheric and magnetic disturbances 

  Das, A. K (The Manager of Publications, 1952-07)
• The motion of gases in the sun's atmosphere: Part IV On the occurrence of highly stripped atoms in the corona 

  Das, A. K; Paramasiva Rao, Y (Indian Association for the Cultivation of Science, 1942-10)
• On the presence of highly stripped atoms in the solar corona 

  Das, A. K (Indian Science News Association, 1941-11-24)
• Summary of prominence and calcium flocculus observations for the first half of 1958 

  Das, A. K (Government Observatory, Madras, 1958-08)
• Summary of prominence and calcium flocculus observations for the second half of 1957 

  Das, A. K (Government Observatory, Madras, 1958-11)
• Oppositions of Mars in 1954 and 1956 

  Das, A. K (Government Observatory, Madras, 1958-07)
• The solar cycle and the associated behaviours of sunspots and prominences 

  Das, A. K (Government Observatory, Madras, 1958-01)
• Summary of prominence and calcium flocculus observations for the first half of 1957 

  Das, A. K (Government Observatory, Madras, 1958-03)
• Summary of prominence and calcium flocculus observations for the second half of 1956 

  Das, A. K (Government Observatory, Madras, 1957-11)
• Summary of prominence and calcium flocculus observations for the first half of 1956 

  Das, A. K (Government Observatory, Madras, 1957-04)
• Summary of prominence and calcium flocculus observations for the second half of 1955 

  Das, A. K (Government Observatory, Madras, 1957-02)
• Summary of prominence and calcium flocculus observations for the first half of 1955 

  Das, A. K (Government Observatory, Madras, 1956-12)
• Indian eclipse expedition to observe the total solar eclipse of June 20, 1955 

  Das, A. K (Government Observatory, Madras, 1956-06)
• Summary of prominence observations for the second half of 1954 

  Das, A. K (Government Observatory, Madras, 1956-08)
• Summary of prominence observations for the first half of 1954 

  Das, A. K (Government Observatory, Madras, 1956-06)

View more