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Browsing by Author "Raheem, K. C. A"

Browsing by Author "Raheem, K. C. A"

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  • A double-pass spectrograph for solar research 
    Kariyappa, R; Jayarajan, A. P; Raheem, K. C. A; Sivaraman, K. R (Astronomical Society of India, 1993-06)
    We have described the double-pass spectrograph built at the Indian Institute of Astrophysics. Measurements of the scattered light within the spectrograph using the photoelectric scans of the NaI D-lines show that this is ...
  • Emission lines of inner corona observed during the total solar eclipse of 1980 February 16 
    Singh, J; Rajamohan, R; Raheem, K. C. A (Astronomical Society of India, 1983-12)
    Spectrograms of the inner solar corona were obtained during the 1980 total solar eclipse. Two Ebert-Fastie type spectrographs with circular slits were used to obtain spectra on the east and the west at 1.06 R. These ...
  • On the Polar Coronal Rays of the Sun 
    Bhatnagar, A; Raheem, K. C. A (Kodaikanal Observatory, 1970-10)
    A study of the polar coronal rays made on two eclipse photographs is presented. From the frequency distribution of polar rays, it is shown that the maximum distribution of polar rays occurs in an annular zone arround ...
  • Spectrophotometry of the inner corona 
    Rajamohan, R; Raheem, K. C. A; Jayarajan, A. P (Indian National Science Academy, 1981)

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