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Browsing by Author "Shylaja, B. S"

Browsing by Author "Shylaja, B. S"

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  • The solar corona in the He II line 
    Shylaja, B. S (Indian Institute of Astrophysics, 1997)
    The corona of the sun was photographed with the filters centered at 4686Å, 4921 Å and 5812 Å, on 24th October 1995, during totality at Nim Ka Thana The PDS scans of these Images were presented The differences In the contours ...
  • Spatial distribution of molecules and dust within the coma of Comet Halley 
    Sivaraman, K. R; Babu, G. S. D; Shylaja, B. S; Rajamohan, R (European Space Agency, 1986-12)
    Spectral scans of comet Halley were made at high spatial resolution using the Cassegrain focus (f/13) of the 102 cm reflector at Kavalur (India). The scans cover the wavelength region from 3900 to 6200 A and at 40 A ...
  • Spectrophotometric Observations of GAMMA-2-VELORUM 
    Shylaja, B. S (Astronomical Society of India, 1990)
  • 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 ...
  • 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 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 ...
  • Sporadic Variations in Wolf-Rayet Stars 
    Shylaja, B. S (International Astronomical Union, 1991)
    Many Wolf-Rayat stars display variations which are observable either spectroscopically or photometrically or both. These are not exclusively associated with binery systems. A study is made of the sporadic events in the ...
  • Stone Inscriptions on Eclipses in Karnataka 
    Shylaja, B. S; Murthy, Chidananda. M (Indian Institute of Astrophysics, Bangalore, 1997)
    The solar and lunar eclipses have been documented on stone inscriptions in various parts of Karnataka, from the 9th century onwards. The records testify the knowledge of positional astronomy and also the cultural and ...
  • Study of the Wolf-Rayet members of the cluster NGC 6231 
    Shylaja, B. S (Indian Academy Sciences, 1988-09)
    Two Wolf-Rayet members of the cluster NGC 6231 are studied spectrophotometrically. HD 151932, a suspected variable, shows variations in the emission line flux as well as continuum magnitude measurements. An attempt is made ...
  • The variability of HD 76536 
    Shylaja, B. S (Kluwer Academic Publishers, 1990-02)
    The spectrophotometric and photometric observations of the WC star HD 76536 are reported. The flux and the magnitude variations appear to be periodic. The possibilities of a compact binary are discussed.
  • The variation of the 5200 feature in HD 34452 
    Shylaja, B. S; Babu, G. S. D (Royal Astronomical Society, 1986-10)
    Spectrophotometric observations of the hot Si star HD 34452 = HR 1732 obtained over a duration of four years, from 1979 to 1983, are presented. The period of variation in the broad-band feature centred around λ5200 is found ...
  • What's New With Hale Bopp? 
    Shylaja, B. S (Astronomical Society of India, 1997)

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