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Browsing by Author "Raghavender Rao, C"

Browsing by Author "Raghavender Rao, C"

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  • HR3040- on the Am track ? 
    Sreedhar Rao, S; Raghavender Rao, C; Kilambi, G. C (Astronomical Society of India, 1999)
    HR 3040 (HD 63589) exhibits pseudo-luminosity effects similar to many a main-sequence Am star, especially a strong Sr II 4077 line indicating a higher luminosity class. Its K-line matches that of A3 V, violet and blue ...
  • The long period spectroscopic binary HR 1176 
    Raghavender Rao, C; Abhyankar, K. D (Astronomical Society of Indian, 1989-12)
    Radial velocity measurements of the long-period spectroscopic binary HR 1176 are obtained from spectrograms made with a 1.22-m telescope at Japal-Rangapur Observatory in India. The spectral line and radial velocity ...
  • A note on the spectra of epsilon Aurigae 
    Subrahmanyam, P. V; Raghavender Rao, C; Sreedhar Rao, S (Astronomical Society of India, 1993-03)
    Spectroscopic observations of the long period variable epsilon Aurigae were made during its 1982-84 eclipse. It is found that the Ca II H and K lines show variation in their equivalent widths. The equivalent widths of these ...
  • Photographic astrometry of Comet Halley 
    Ballabh, G. M; Kilambi, G. C; Sanwal, N. B; Sreedhar Rao, S; Swaminathan, R; Raghavender Rao, C (Astronomical Society of Indian, 1989-12)
    The 20-cm astrograph of the Nizamiah and Japal-Rangapur Observatoies in India was used to obtain photographic plates of Comet Halley before and after perihelion during the 1985-1986 apparition. The images are reduced and ...
  • Spectroscopic Orbits of HR:3009 and HR:3335 
    Raghavender Rao, C; Abhyankar, K. D (Astronomical Society of India, 1990)
    New spectroscopic orbital elements of two short period doublelined spectroscopic eclipsing binaries HR 3009 and HR 3335 are presented

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