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  • 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)
  • Spectropolarimetry of an active region at the photosphere and chromosphere 
    Nagaraju, K; Sankarasubramanian, K; Rangarajan, K. E (Astronomical Society of the Pacific, 2009-06)
    Initial results on the simultaneous spectropolarimetric observations of an active region at the photosphere and chromosphere are presented. For this purpose, the Fe I line at λ6569 and the H I at λ6563 (Hα) are used. ...
  • Spectropolarimetry package for visible emission line coronagraph (VELC) on board Aditya-L1 mission 
    Venkata Suresh, Narra; Prasad, B. R; Singh, J (Springer, 2022-02)
    One of the unique features of Visible Emission Line Coronagraph (VELC) on board Aditya-L1 mission is spectropolarimetric observations in coronal emission line centred at 10747 Å. Spectropolarimetric observations at 10747 ...
  • Spectropolarimetry with the NLST 
    Sankarasubramanian, K; Hasan, S. S; Rangarajan, K. E (Springer, 2010)
    India’s National Large Solar Telescope (NLST) will provide opportunities to observe the Sun with high spatial, spectral, and polarimetric resolution. The large aperture also enables high-cadence spectropolarimetry with ...
  • Spectroscopic analysis of four post-AGB candidates 
    Molina, R. E; Giridhar, S; Pereira, C. B; Arellano Ferro, A; Muneer, S (Institute de Astronomia, 2014-10)
    We have done a detailed abundance analysis of four unexplored cand idate post- Asymptotic Giant Branch(AGB) stars IRAS 13110- 6629, IRAS 175 79 - 3121, IRAS 18321- 1401 and IRAS 18489- 0629 using high resolution spectra. ...
  • Spectroscopic and geometrical evolution of the ejecta of the classical nova ASASSN-18fv 
    Pavana, M; Raj, A; Bohlsen, T; Anupama, G. C; Gupta, R; Selvakumar, G (Oxford University Press on behalf of the Royal Astronomical Society, 2020-05)
    The optical spectroscopic observations of ASASSN-18fv observed from 2018 March 24 to 2019 January 26 are presented. The optical spectra are obtained from Mirranook, Vainu Bappu, and South African Astronomical observatories. ...
  • Spectroscopic and geometrical evolution of the ejecta of the classical nova ASASSN-18fv 
    Pavana, M; Raj, A; Bohlsen, T; Anupama, G. C; Gupta, R; Selvakumar, G (Oxford University Press on behalf of the Royal Astronomical Society, 2020-06)
    The optical spectroscopic observations of ASASSN-18fv observed from 2018 March 24 to 2019 January 26 are presented. The optical spectra are obtained from Mirranook, Vainu Bappu, and South African Astronomical observatories. ...

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