Search Results - "Bhat, C.K."

Cosmic-ray composition with TACTIC telescope using Fractal and Wavelet analysis by Bhat, C.K.

“…► A preliminary flux estimate of various cosmic-ray constituents using Fractal and Wavelet analysis. ► Wavelet parameter B6 Provides ⩾90% segregation of the…”
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Multiwavelength study of the radio galaxy NGC 1275 with TACTIC, Fermi and Swift during December, 2016 – February, 2017 by Ghosal, B., Tolamatti, A., Singh, K.K., Yadav, K.K., Rannot, R.C., Tickoo, A.K., Chandra, P., Goyal, A., Kumar, N., Marandi, P., Agarwal, N.K., Kothari, M., Gaur, K.K., Chouhan, N., Borwankar, C., Dhar, V.K., Koul, M.K., Venugopal, K., Chanchalani, K., Bhat, C.K., Godiyal, S., Mankuzhiyil, N., Godambe, S., Sahayanathan, S., Sharma, M.

“…•Observation with TACTIC telescope in search for TeV gamma-rays above 0.85 TeV energy from NGC 1275.•Nearly simultaneous observation with Fermi-LAT, Swift-XRT,…”
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Multiwavelength study of the radio galaxy NGC 1275 with TACTIC, F e r m i and S w i f t during December, 2016 – February, 2017 by Ghosal, B., Tolamatti, A., Singh, K.K., Yadav, K.K., Rannot, R.C., Tickoo, A.K., Chandra, P., Goyal, A., Kumar, N., Marandi, P., Agarwal, N.K., Kothari, M., Gaur, K.K., Chouhan, N., Borwankar, C., Dhar, V.K., Koul, M.K., Venugopal, K., Chanchalani, K., Bhat, C.K., Godiyal, S., Mankuzhiyil, N., Godambe, S., Sahayanathan, S., Sharma, M.

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A time dependent approach to model X-ray and γ–ray light curves of Mrk 421 observed during the flare in February 2010 by Singh, K.K., Sahayanathan, S., Sinha, A., Bhatt, N., Tickoo, A.K., Yadav, K.K., Rannot, R.C., Chandra, P., Venugopal, K., Marandi, P., Kumar, N., Goyal, H.C., Goyal, A., Agarwal, N.K., Kothari, M., Chanchalani, K., Dhar, V.K., Chouhan, N., Bhat, C.K., Koul, M.K., Koul, R.

“…•Time dependent single zone SSC model is used to reproduce the broad band emission.•Temporal analysis of light curves indicates asymmetric flare with fast rise…”
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VHE observation of Mrk 421 with TACTIC during 2012; multiwavelength study by Ghosal, B., Yadav, K.K., Singh, K.K., Rannot, R.C., Tickoo, A.K., Chandra, P., Bhatt, H., Gaur, K.K., Goyal, A., Goyal, H.C., Kumar, N., Marandi, P., Kothari, M., Sahayanathan, S., Chanchalani, K., Agarwal, N.K., Dhar, V.K., Kaul, S.R., Koul, M.K., Koul, R., Venugopal, K., Bhat, C.K., Borwankar, C., Chouhan, N.

“…The nearby (z=0.031) TeV γ-ray emitter BL Lac object Mrk 421 has been observed with the TACTIC telescope for nearly 118 hours during 01 February to 26 April,…”
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Multiwavelength study of VHE emission from Markarian 501 using TACTIC observations during April–May, 2012 by Chandra, P., Singh, K.K., Rannot, R.C., Yadav, K.K., Bhatt, H., Tickoo, A.K., Ghosal, B., Kothari, M., Gaur, K.K., Goyal, A., Goyal, H.C., Kumar, N., Marandi, P., Chouhan, N., Sahayanathan, S., Chanchalani, K., Agarwal, N.K., Dhar, V.K., Kaul, S.R., Koul, M.K., Koul, R., Venugopal, K., Bhat, C.K., Borwankar, C., Bhagwan, J., Gupta, A.C.

“…•We search for TeV gamma-ray emission from blazar Mrk 501 using TACTIC telescope.•The source was found in relatively high state during 22–27 May,…”
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Non-destructive analysis of didymium and praseodymium molybdate crystals using energy dispersive X-ray fluorescence technique by Bhat, C.K., Joseph, Daisy, Pandita, Sanjay, Kotru, P.N.

“…Analysis of didymium (Di) and praseodymium molybdate crystals were carried out using energy dispersive X-ray fluorescence (EDXRF). The assigned empirical…”
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TeV γ-ray emission from Mrk 421 observed with TACTIC during December 2014–February 2015 by Yadav, K.K., Chanchalani, K., Singh, K.K., Ghosal, B., Chandra, P., Rannot, R.C., Tickoo, A.K., Agarwal, N.K., Kothari, M., Gaur, K.K., Goyal, H.C., Goyal, A., Kumar, N., Marandi, P., Kaul, S.R., Dhar, V.K., Koul, M.K., Koul, R., Venugopal, K., Bhat, C.K., Chouhan, N., Borwankar, C.

“…•VHE gamma-ray observations of Mrk 421 with TACTIC during 2014-15.•Near simultaneous multi-wavelength data used to complement the TACTIC…”
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Search for diffuse cosmic gamma-ray flux using fractal and wavelet analysis from galactic region using single imaging Cerenkov telescopes by Bhat, C.K.

“…We show from a simulations-based study of the TACTIC telescope that fractal and wavelet analysis of Cerenkov images, recorded in a single imaging Cerenkov…”
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Search for very high energy gamma-ray emission from the peculiar radio galaxy IC 310 with TACTIC during 2012 to 2015 by Ghosal, B., Singh, K.K., Yadav, K.K., Tickoo, A.K., Rannot, R.C., Chandra, P., Kothari, M., Gaur, K.K., Goyal, H.C., Goyal, A., Kumar, N., Marandi, P., Chanchalani, K., Agarwal, N.K., Dhar, V.K., Koul, M.K., Koul, R., Venugopal, K., Bhat, C.K., Chouhan, N., Borwankar, C., Kaul, S.R., Bhatt, H., Agarwal, A., Gupta, A.C.

“…•Long term observation (three years) with TACTIC telescope in search for TeV gamma-rays from IC 310.•Nearly simultaneous observation with Fermi-LAT and from…”
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Search for TeV γ-ray emission from blazar 1ES1218+304 with TACTIC telescope during March–April 2013 by Singh, K.K., Yadav, K.K., Tickoo, A.K., Rannot, R.C., Chandra, P., Agarwal, N.K., Gaur, K.K., Goyal, A., Goyal, H.C., Kumar, N., Marandi, P., Kothari, M., Bhatt, H., Chanchalani, K., Chouhan, N., Dhar, V.K., Ghosal, B., Kaul, S.R., Koul, M.K., Koul, R., Venugopal, K., Bhat, C.K., Borwankar, C., Bhagwan, J., Gupta, A.C.

“…•We search for TeV gamma-ray emission from blazar 1ES 1218+304 with TACTIC telescope.•No activity in TeV energy regime is observed from the source.•We present…”
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Estimation of gallium in a bauxite-ore deposit using an energy-dispersive X-ray fluorescence technique by Bhat, C.K.

“…Energy-dispersive X-ray fluorescence (EDXRF) technique was used to determine the gallium content of bauxite ore samples collected from several sites located in…”
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Energy-dispersive X-ray fluorescence spectrometry technique as an efficient monitoring tool for mercury contamination by Bhat, C.K, Bhat, C.L, Lodha, G.S, Koul, D.K

“…This paper illustrates the useful early-warning role of the energy-dispersive X-ray fluorescence technique against a potential health hazard being posed by…”
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