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Browsing by Author "Nandy, K"

Browsing by Author "Nandy, K"

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  • 3.0 to 3.5 micron spectrum of V 348 SGR and R CrB 
    Nandy, K; Kameswara Rao, N; Morgan, D. H (D. Reidel Publishing Co, 1986)
    With a view to search for weaker dust spectral features the authors obtained the spectrum of R CrB and V348 Sgr with higher resolution than employed before.
  • The hydrogen-deficient irregular variable star V348 SGR 
    Kameswara Rao, N; Nandy, K (1984-07)
    The distribution of the reddening material around V 348 Sgr was studied using the IUE low resolution spectra. The nebula surrounding the star has a reddening of E(B-V) = 0.3 caused mainly by the foreground interstellar ...
  • IRAS observations of R Cor Bor stars 
    Kameswara Rao, N; Nandy, K (Royal Astronomical Society, 1986-09)
    The IRAS observations of R Cr B, SU Tau and V 348 Sgr indicate the existence of a cool dust component of temperature about 30 K in R Cr B and SU Tau and less than or equal to 100 K in V 348 Sgr, in addition to the hot dust. ...
  • The large Magellanic cloud R CrB Star - HV 12842 
    Morgan, D. H; Nandy, K; Kameswara Rao, N (D. Reidel Publishing Co, 1986)
    This paper describes the behaviour of HV 12842 during the period 1976 - 1985 as it appears on the 38 I plates of LMC(N) taken with the UK 1.2 m Schmidt Telescope.
  • Presence of Mg II emission in R Coronae Borealis at maximum light 
    Kameswara Rao, N; Nandy, K; Bappu, M. K. V (Royal Astronomical Society, 1981-06)
    The high dipersion spectrum of R CrB in the long wavelength obtained near its maximum with the International Ultraviolet Explorer shows the presence of chromospheric Mg II emission. For comparison the spectrum of Gamma Cyg ...
  • Reddening and dust distribution around V348 SGR 
    Kameswara Rao, N; Nandy, K (Bruxelles : Palais des Académies, 1988)
    Radio and Brackett gamma observations indicate large value of reddening E(B - V) = 1.5 to the nebula surrounding V348 Sgr, where as the star appears to be reddened by only E(B - V) is approximately 0.4. The infrared ...
  • Search for CO (1-0) emission in R CrB with large infrared excesses 
    Kameswara Rao, N; Nyman, L. A; Nandy, K; Houziaux, L (Cambridge University Press, 1991)
  • Ultraviolet observations of the hydrogen-deficient variable star MV Sagittarii 
    Kameswara Rao, N; Nandy, K (Indian Academy of Sciences, 1982)
    IUE observations of the hydrogen-deficient irregular variable star MV Sgr obtained in June-October 1980 and November 1979 are discussed. The observations reveal a prominent 2200 A absorption feature. A value of E(B - V) = ...
  • The UV spectrum of the WC 11 star CPD -56 deg 8032 
    Kameswara Rao, N; Giridhar, S; Nandy, K (The European Southern Observatory, 1990-08)
    UV observations of the WC 11 central star of the compact planetary nebula CPD -56 deg 8032 show that the continuum flux is variable. This variability appears to be caused by a change in the circumstellar extinction properties. ...

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