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Browsing by Author "Barve, Indrajit V"

Browsing by Author "Barve, Indrajit V"

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  • 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 (30-110 MHz) Antenna system for observations of polarized radio emission from the solar corona 
    Ramesh, R; Kathiravan, C; Sundararajan, M. S; Barve, Indrajit V; Sastry, Ch. V (Springer Netherlands, 2008-12)
    An interferometer antenna system to observe polarized radio emission from the solar corona at different frequencies in the range 30-110 MHz has been commissioned recently by the Indian Institute of Astrophysics at the ...
  • Low-Frequency Observations of Drifting, Non-Thermal Continuum Radio Emission Associated With the Solar Coronal Mass Ejections 
    Ramesh, R; Kishore, P; Mulay, S. M; Barve, Indrajit V; Kathiravan, C; Wang, T. J (IOP Publishing, 2013-11-20)
    Low-frequency (80 MHz) imaging and spectral (≈85-20 MHz) observations of moving type IV radio bursts associated with coronal mass ejections (CMEs) from the Sun on three different days are reported. The estimated drift speed ...
  • Low-frequency radio observations of the solar corona with arcminute angular resolution: implications for coronal turbulence and weak energy releases 
    Mugundhan, V; Ramesh, R; Barve, Indrajit V; Kathiravan, C; Gireesh, G. V. S; Kharb, P; Misra, A (IOP Publishing, 2016-11-10)
    We report on the first long baseline interferometer (length ≈8 km) observations of the solar corona at 37 MHz that were carried out recently with an angular resolution of ≈1'. The results indicate that, (1) discrete radio ...
  • Prototype for pulsar observations at low radio frequencies using log-periodic dipole antennas 
    Bane Kshitij, Suhas Trupti; Barve, Indrajit V; Gireesh, G. V. S; Kathiravan, C; Ramesh, R (SPIE-The International Society for Optical Engineering, 2022-01)
    A prototype for dedicated observations of pulsars and other astrophysical transients in the frequency range of 50 to 80 MHz has been recently commissioned in the Gauribidanur Radio Observatory near Bangalore in India. ...
  • Radio interferometric observations of the Sun using commercial dish TV antennas 
    Gireesh, G. V. S; Kathiravan, C; Barve, Indrajit V; Ramesh, R (Springer, 2021-08)
    The radio astronomy group in the Indian Institute of Astrophysics (IIA) has been carrying out routine observations of radio emission from the solar corona at low frequencies (≈40 – 440 MHz) at the Gauribidanur observatory, ...
  • 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 ...
  • Radio observations of weak energy releases in the solar corona 
    Ramesh, R; Kathiravan, C; Barve, Indrajit V; Beeharry, G. K; Rajasekara, G. N (IOP Science, 2010-08-10)
    We report observations of weak, circularly polarized, structureless type III bursts from the solar corona in the absence of Hα/X-ray flares and other related activity, during the minimum between the sunspot cycles 23 and ...
  • RRI-GBT multi-band receiver: motivation, design, and development 
    Maan, Yogesh; Deshpande, Avinash A; Chandrashekar, Vinutha; Chennamangalam, Jayanth; Raghavendra Rao, K. B; Somashekar, R; Anderson, Gary; Ezhilarasi, M. S; Sujatha, S; Kasturi, S; Sandhya, P; Bauserman, Jonah; Duraichelvan, R; Amiri, Shahram; Aswathappa, H. A; Barve, Indrajit V; Sarabagopalan, G; Ananda, H. M; Beaudet, Carla; Bloss, Marty; Dhamnekar, Deepa B; Egan, Dennis; Ford, John; Krishnamurthy, S; Mehta, Nikhil; Minter, Anthony H; Nagaraja, H. N; Narayanaswamy, M; O'Neil, Karen; Raja, Wasim; Sahasrabudhe, Harshad; Shelton, Amy; Srivani, K. S; Venugopal, H. V; Viswanathan, Salna T (IOP Publishing, 2013-01)
    We report the design and development of a self-contained multi-band receiver ( MBR ) system, intended for use with a single large aperture to facilitate sensitive and high time-resolution observations simultaneously in 10 ...
  • Solar Radio Spectro-polarimeter (50–500 MHz). I. Design, Development, and Characterization of a Cross-polarized, Log-periodic Dipole Antenna 
    Kumari, Anshu; Gireesh, G. V. S; Kathiravan, C; Mugundhan, V; Barve, Indrajit V; Ramesh, R; Monstein, C (American Astronomical Society, 2023-12-01)
    The Zeeman effect has been routinely used to image and quantify the solar photospheric magnetic field (B). Such a direct measuring technique is not yet available for the corona (Lin et al. 2004). Since almost all ...

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