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  • Spectrophotometric observations of the comet Swift-Tuttle (1992t) 
    Sanwal, B. B; Rautela, B. S; Mahendra Singh; Srivastava, J. B (Astronomical Society of India, 1993)
    Periodic comet Swift-Tuttle (1992t) period 135 years was observed with 104 cm reflector of Uttar Pradesh State Observatory, Naini Tal, using OMA (Optical Multichannel Analyser) reticon array detector in the visible region ...
  • Spectrophotometric studies of Am stars 
    Babu, G. S. D; Shylaja, B. S (D. Reidel Publishing Company, 1982-04)
    The relationships among the various physical parameters, namely the effective temperatures, radii and bolometric magnitudes, determined on the basis of the energy distribution curves of 25 Am stars are investigated. The ...
  • Spectrophotometric studies of Ap stars 
    Babu, G. S. D; Shylaja, B. S (D. Reidel Publishing Company, 1982-01)
    Based on the observed energy distribution curves of about a hundred Ap stars, the various relationships among their physical parameters: namely, the temperatue, colour index, bolometric correction and bolometric magnitude ...
  • Spectrophotometric studies of CO Cephei 
    Shylaja, B. S (Indian Academy of Sciences, 1986-09)
    Spectrophotometric and spectroscopic observations of CQ Cep, the shortest-period binary with a WN component, are presented. Excepting the N V 4603 A, the fluxes of all other emission lines show enhancement at minima. They ...
  • Spectrophotometric study of sunspots 
    Ananthakrishnan, R (Indian Academy of Sciences, 1953-02)
  • Spectrophotometric study of the Comet C/1996 B2 Hyakutake 
    Singh, M; Sanwal, B. B (Astronomical Society of India, 1998)
  • A spectrophotometric study of the Wolf-Rayet star HD 50896 
    Shylaja, B. S (Indian Academy of Sciences, 1986-12)
    New spectrophotometric observations of the Wolf-Rayet system HD 50896 are presented and interpreted in terms of its binary nature. The lines of N V, N IV and C IV show moderate variations which can be explained using a ...
  • Spectrophotometry of chemically peculiar stars with a moderate size telescope 
    Babu, G. S. D (Astronomical Society of India, 1998)
  • Spectrophotometry of Comet P/Halley. I - Flux, column density and emission gradients within the coma in the emission bands and the continuum 
    Sivaraman, K. R; Babu, G. S. D; Shylaja, B. S; Rajamohan, R (European Southern Observatory, 1987-11)
    The authors made spectral scans of comet P/Halley using the scanner at the Cassegrain focus (f/13) of the 102 cm reflector at Kavalur. The scans cover generally the wavelength region from 3900 to 6200 Å and are at 40 Å ...
  • Spectrophotometry of Nova Coronae Austrinae, 1981 
    Shylaja, B. S (D. Reidel Publishing Co., 1984-10)
    Spectrophotometric observations of Nova Coronae Austrinae 1981, during its nebular phase are reported. The various emission lines are identified. The electron densities and the mass of the ionized hydrogen in the shell ...
  • Spectrophotometry of Nova Muscae 1983 
    Shylaja, B. S (The observatory, 1983-08)
  • Spectrophotometry of Nova Vulpeculae 1984:1 
    Shylaja, B. S (European Space Agency, 1985)
    The Spectrophotometric observations of the nova Vulpeculae, 1984, # 1 obtained at the Kavalur observatory in September 1984 have been identified and compared with other novae. The nova appears to be in the early decline ...
  • Spectrophotometry of RZ CAS 
    Chaubey, U. S (Astronomical Society of India, 1996)
    Spectrum scans of the eclipsing binary star RZ Cas at different phases in the wavelength range λλ 3300 - 7600 Amstrong taken through Hilger and Watts monochromator equipped with 104-cm telescope of Uttar Pradesh State ...
  • Spectrophotometry of the comet C/2002 V1 (NEAT) 
    Sanwal, B. B; Kumar, Brijesh Kumar (Astronomical Society of India, 2004-03)
    We took spectrophotometric observations of the coma of the comet C/2002 V1 (NEAT) on January 24, 25 and February 4, 2003, with 104-cm telescope of the State Observatory, Nainital. CN (3883 A) and C2 swan bands (4695, 5165 ...
  • Spectrophotometry of the comets C /2000 WM 1(LINEAR) and C /2002 C1 (Ikeya-Zhang) 
    Sanwal, B. B; Kumar, B; Singh, M (Astronomical Society of India, 2002-12)
    Spectrophotometric observations of the coma of the comets Cj2000 WM1 (LINEAR) and Cj2002 C1 (Ikeya-Zhang) were taken during Nov, Dec 2001 and Mar, Apr 2002 respectively with 104-cm telescope of the State Observatory, ...
  • Spectrophotometry of the inner corona 
    Rajamohan, R; Raheem, K. C. A; Jayarajan, A. P (Indian National Science Academy, 1981)
  • Spectropolarimeter for the Vainu Bappu Telescope 
    Chakraborty, P (Vatican Observatory Foundation, 1999)
    Fabrication of an optical spectropolarimeter for the Vainu Bappu Telescope, consisting of a Pancharatnam half-wave plate and a modified Glan-Talyor polarizing beam splitter fitted as an add-on facility to an existing ...
  • Spectropolarimeter on board the Aditya-L1: polarization modulation and demodulation 
    Nagaraju, K; Prasad, B. R; Hegde, Bhavana S; Venkata Suresh, Narra; Utkarsha, D; Kumar, Amit; Singh, J; Kumar, Varun (Optical Society of America, 2021-09-10)
    One of the major science goals of the Visible Emission Line Coronagraph (VELC) payload aboard the Aditya-L1 mission is to map the coronal magnetic field topology and quantitative estimation of longitudinal magnetic field ...
  • Spectropolarimetric Observations of Solar Noise Storms at Low Frequencies 
    Mugundhan, V; Ramesh, R; Kathiravan, C; Gireesh, G. V. S; Aathira Hegde (Springer, 2018-03)
    "A new high-resolution radio spectropolarimeter instrument operating in the frequency range of 15 – 85 MHz has recently been commissioned at the Radio Astronomy Field Station of the Indian Institute of Astrophysics ...
  • Spectropolarimetry of Active Regions on the Sun 
    Nagaraju, K (Indian Institute of Astrophysics, 2008-06)

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