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Browsing by Author "Rajalingam, M"

Browsing by Author "Rajalingam, M"

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  • Design and Performance of a Low-Frequency Cross-Polarized Log-Periodic Dipole Antenna 
    Sasikumar Raja, K; Kathiravan, C; Ramesh, R; Rajalingam, M; Barve, Indrajit V (IOP Publishing, 2013-07)
    We report the design and performance of a cross-polarized log-periodic dipole (CLPD) antenna for observations of polarized radio emission from the solar corona at low frequencies. The measured isolation between the two ...
  • Gauribidanur low-frequency solar spectrograph 
    Kishore, P; Kathiravan, C; Ramesh, R; Rajalingam, M; Barve, Indrajit V (Springer, 2014-10)
    A new radio spectrograph, dedicated to observe the Sun, has been recently commissioned by the Indian Institute of Astrophysics (IIA) at the Gauribidanur Radio Observatory, about 100 km North of Bangalore. The instrument, ...
  • High Angular Resolution Radio Observations of a Coronal Mass Ejection Source Region at Low Frequencies during a Solar Eclipse 
    Ramesh, R; Kathiravan, C; Barve, Indrajit V; Rajalingam, M (IOP Publishing, 2012-01-10)
    We carried out radio observations of the solar corona in the frequency range 109-50 MHz during the annular eclipse of 2010 January 15 from the Gauribidanur Observatory, located about 100 km north of Bangalore in India. The ...
  • High dynamic range observations of solar coronal transients at low radio frequencies with a spectro-correlator 
    Hariharan, K; Ramesh, R; Kathiravan, C; Abhilash, H. N; Rajalingam, M (IOP Publishing, 2016-02)
    A new antenna system with a digital spectro-correlator that provides high temporal, spectral, and amplitude resolutions has been commissioned at the Gauribidanur Observatory near Bangalore in India. Presently, it is used ...
  • An Image Auto Guider System for Kodaikanal Tower Tunnel Telescope 
    Mathur, Harsh; Thulasidharen, K. C; Hemanth, P; Nagaraju, K; Rajalingam, M (World Scientific Publishing, 2023-02)
    The Kodaikanal Tower Tunnel Telescope (KTT) is a three-mirror Coelostat-based Solar telescope. An inherent variable image drift is present in the KTT which is detrimental to observations particularly to slit-based spectroscopic ...
  • Installation of solar chromospheric telescope at the Indian Astronomical Observatory, Merak 
    Ravindra, B; Prabhu, K; Thulasidharen, K. C; Rajalingam, M; Sagayanathan, K; Kamath, P. U; Dorjey, N; Angchuk, D; Kemkar, P. M. M; Dorjai, T; Banyal, R. K (Indian Academy of Sciences, 2018-10)
    We report the observations of the solar chromosphere from a newly commissioned solar telescope at the incursion site near Pangong Tso lake in Merak (Leh/Ladakh). This new Hα telescope at the Merak site is identical to the ...
  • Kodaikanal solar observatory radio spectrograph 
    Barve, Indrajit V; Kathiravan, C; Gireesh, G. V. S; Anand, M. N; Rajesh, M; Rajalingam, M; Ebenezer, E; Ramesh, R (Springer Nature B.V., 2021-09)
    The Indian Institute of Astrophysics (IIA) has commissioned a low frequency (<100 MHz) spectrograph at its Kodaikanal Solar Observatory (KSO) for coordinated observations of transients in the solar atmosphere with other ...
  • A low-frequency radio spectropolarimeter for observations of the solar corona 
    Kishore, P; Ramesh, R; Kathiravan, C; Rajalingam, M (Springer, 2015-09)
    A new spectropolarimeter for dedicated ground-based observations of radio emission from the solar corona at low frequencies (<100 MHz) has recently been commissioned at the Gauribidanur Radio Observatory near Bengaluru, ...
  • Radio Observations of the Solar Corona During an Eclipse 
    Kathiravan, C; Ramesh, R; Barve, Indrajit V; Rajalingam, M (Institute of Physics Publishing, 2011-04-01)
    We carried out radio observations of the solar corona at 170 MHz during the eclipse of 2008 August 1, from the Gauribidanur observatory located about 100 km north of Bangalore in India. The results indicate the presence ...

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