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Browsing by Author "Bagare, S. P"

Browsing by Author "Bagare, S. P"

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  • Molecular parameters for D, E, F, and G-A band systems of the astrophysically significant molecule AlF 
    Kumar, K. B; Bagare, S. P; Rajamanickam, N (Springer, 2004-01)
    Franck-Condon factors andr-centroids, which are a measure oftransition probabilities, have been evaluated by a numerical integration procedure for the bands of D1Δ,E1Π, F1Π and G1Σ+ A1Π systems of AlFmolecule.The species ...
  • On the effective temperature of sunspot umbrae using beryllium hydride isotopomer lines 
    Sangeetha, R; Sriramachandran, P; Bagare, S. P; Rajamanickam, N; Shanmugavel, R (Astronomical Observatory, Serbia, 2009-12)
    A search for fourteen bands of the visible and infrared systems of the beryllium hydride isotopomers, in addition to the previously identified bands A - X(0, 0; 1, 1; 2, 2) for BeH, A - X(0, 0; 1, 1; 2, 2) for BeD and A - ...
  • On the Franck-Condon factors and R-centroids of the astrophysically interesting molecule CS 
    Karthikeyan, B; Raja, V; Rajamanickam, N; Bagare, S. P (National Library of Serbia, 2007-12)
    In molecular astrophysics, the Franck-Condon (FC) factors and r-centroids are essential for the interpretation of spectral intensities in terms of emitting astrophysical source conditions. They have been evaluated for the ...
  • On the Location of Footpoints of Sub-Arc Magnetic Structures in the Quiet Solar Photosphere 
    Sivaraman, K. R; Bagare, S. P; November, L. J (International Astronomical Union, 1990)
  • On the relation between magnetic field strength and Wilson depression in sunspots 
    Bagare, S. P; Gupta, S. S (Astronomical Society of India, 1998)
    At the Solar Tower Telescope of Kodaikanal Observatory, we obtained Zeeman spectra of sunspots on their disk passage during 1979-84 (Solar max. 21). Using this data and full disk white light pictures obtained at the ...
  • On the rotational temperature of AlH in Sunspots 
    Karthikeyan, B; Rajamanickam, N; Bagare, S. P (Springer, 2010-07)
    A search has been carried out for the presence of rotational lines of two bands of the (0, 0) and (1, 1) A 1Π – X 1Σ+ system of the AlH molecule in the high resolution Fourier Transform Spectra of sunspots observed at the ...
  • On the search for BF, BH and BS molecular lines in sunspot spectra 
    Karthikeyan, B; Bagare, S. P; Rajamanickam, N; Raja, V (Elsevier, 2009-02)
    A search has been carried out for the presence of rotational lines of boron containing diatomic molecules BF, BH and BS in the high resolution Fourier Transform Spectra of sunspots observed at the National Solar Observatory ...
  • Presence of LaO, Presence of LaO, ScO and VO molecular lines in sunspot umbral spectra 
    Sriramachandran, P; Bagare, S. P; Rajamanickam, N; Balachandra Kumar, K (Springer, 2008-11)
    High-resolution Fourier Transform Spectrometer sunspot umbral spectra of the National Solar Observatory/National Optical Astronomy Observatory at Kitt Peak were used to detect rotational lines from 19 electronic transition ...
  • Revisit of the classic Wilson effect 
    Bagare, S. P (Springer, 2010)
    We have examined theWilson effect in 580 epochs of sunspots observed at the Kodaikanal Observatory. Only unipolar spots that are well isolated from opposite polarity spots or pores (49%) exhibit the classic Wilson effect. ...
  • Search for Hydrogen-alpha Emitting Cool Pockets in Corona During the Total Solar Eclipse of October 24, 1995 
    Cowsik, R; Singh, J; Raju, K. P; Saxena, A. K; Samson, J. P. A; Naidu, B. N (Indian Institute of Astrophysics, Bangalore, 1997)
    Narrow pass band hydrogen alpha filtergrams were obtained during totality at Kalpi, to look for cool pockets of H-alpha emission in corona first observed by Bappu and Bhattacharyya during the 1970 Mexican eclipse observations. ...
  • Solar astronomy at high altitude 
    Hasan, S. S; Bagare, S. P; Rangarajan, K. E (Indian National Science Academy, 2014-11)
    A major project called the National Large Solar Telescope (NLST) has been proposed for pursuing Solar Astronomy at High Altitude. The project envisages the development of a state-of-the-art 2-m class telescope to carry ...
  • Solar flare 1982 April 14 
    Bagare, S. P (Astronomical Society of India, 1985-12)
    We have obtained a good time sequence of spectroheliograms and spatial sequence spectra in the K-line of Ca II using the Kodaikanal tower telescope. We have derived the two dimensional pattern of the mass motions of the ...
  • Solar physics at the Kodaikanal observatory: a historical perspective 
    Hasan, S. S; Mallik, D. C. V; Bagare, S. P; Rajaguru, S. P (Springer, 2010)
    The Kodaikanal Observatory traces its origins to the East India Company, which started an observatory in Madras “for promoting the knowledge of astronomy, geography, and navigation in India.” Observations began in 1787 at ...
  • Some useful data for the astrophysical molecules AlS and BS 
    Karthikeyan, B; Rajamanickam, N; Bagare, S. P (Elsevier B.V, 2007-06)
    The vibronic (vibration-electronic) transition probability parameters such as Franck-Condon (FC) factors and r-centroids of diatomic molecular species could be useful in the identification of molecular lines and in the ...
  • A Study of Inner Solar Corona during Total Solar Eclipse of October 24, 1995 
    Saxena, A. K; Cowsik, R; Lancelot, J. P; Samson, J. P. A; Bagare, S. P; Ismail, R (Indian Institute of Astrophysics, Bangalore, 1997)
    To study the inner corona during the total solar eclipse of October 24, 1995, an experiment was setup at Kalpi, the second location of the two IIA camps. Continuous broad record at regular interval at 40ms (TV rate) using ...
  • Sunspots Data Analysis Using Time Series 
    Shaikh, Y. H; Khan, A. R; Iqbal, M. I; Behere, S. H; Bagare, S. P (World Scientific Publishing, 2008-09)
    The record of the sunspot number visible on the sun is regularly collected over the centuries by various observatories for studying the different factors influencing the sunspot cycle and solar activity. Sunspots appear ...
  • Temporal asymmetry in aerosol optical characteristics: A case study at a high-altitude station, Hanle, in Ladakh region 
    Shantikumar, N. S; Bagare, S. P; Srivastava, A. K; Kanawade, V. P; Rajendra, B. S; Padhy, S. K (Elsevier, 2014-12)
    Diurnal features of aerosol optical depth (AOD) at a high-altitude station, Hanle (4500 m amsl) in the western Himalayas, were studied using direct/diffuse solar irradiance measurement from a Skyradiometer (Prede) during ...
  • Transient activity in the loop prominence system of a flare active region 
    Bagare, S. P; Nagabhushana, B. S; Aleem, P. S. M (Astronomical Society of Indian, 1989-09)
    Solar limb observations of the activity in a loop prominence system associated with an active region were obtained on February 2, 1984. The activity was observed for a total duration of over seven hours of which the maximum ...
  • Transition probabilities and dissociation energy of astrophysical molecule CoH 
    Prithivikumaran, N; Fernandez Gomez, M; Lopez Gonzalez, J. J; Bagare, S. P; Rajamanickam, N (Springer, 2002)
    The Franck-Condon (FC) factors (transition probabilities) and r-centroids have been evaluated by the reliable numerical integration procedure for the bands of the A^3 φ_4 --> X^3 φ_4 system of astrophysical molecule CoH, ...
  • Transition probability parameters for certain band systems of astrophysical molecule GeO 
    Rajamanickam, N; Shanmugavel, R; Prithivikumaran, N; Palaniselvam, T; Bagare, S. P (Elsevier Science B.V., 2003-05)
    The transition probability parameters, Franck-Condon factors and /r-centroids, have been evaluated using the most reliable numerical integration procedure for the bands of E1Σ+, F1Σ+, /GΣ, HΠ, JΣ-X1Σ+ systems of astrophysical ...

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