Search Results - "Cecatto, J. R"

Coronal fast wave trains of the decimetric type IV radio event observed during the decay phase of the June 6, 2000 flare by Mészárosová, H., Sawant, H.S., Cecatto, J.R., Rybák, J., Karlický, M., Fernandes, F.C.R., de Andrade, M.C., Jiřička, K.

“…The 22 min long decimetric type IV radio event observed during the decay phase of the June 6, 2000 flare simultaneously by the Brazilian Solar Spectroscope…”
Get full text

Highlights of the Brazilian Solar Spectroscope by Sawant, H.S., Cecatto, J.R., Mészárosová, H., Faria, C., Fernandes, F.C.R., Karlický, M., de Andrade, M.C.

“…The digital, decimetric (950–2500 MHz) Brazilian Solar Spectroscope (BSS, Sawant, H.S., Subramanian, K.R., Faria, C., et al. Brazilian Solar Spectroscope…”
Get full text

Solar flare detection system based on tolerance near sets in a GPU–CUDA framework by Poli, G., Llapa, E., Cecatto, J.R., Saito, J.H., Peters, J.F., Ramanna, S., Nicoletti, M.C.

“…This article presents a unique application of tolerance near sets (TNS) for detecting solar flare events in solar images acquired using radio astronomy…”
Get full text

Radio emission observed in decimetric waves associated with the onset of CMEs by Cecatto, J.R., Soares, A.C., Fernandes, F.C.R., Madsen, F.R.H., Andrade, M.C., Sawant, H.S.

“…Since the first observations by Skylab and SMM satellites coronal mass ejections (CME) have been more and more investigated. However, until now their origin…”
Get full text

Discovery of Variation in Solar Coronal Rotation with Altitude by Vats, Hari Om, Cecatto, J. R, Mehta, M, Sawant, H. S, Neri, J. A. C. F

Get full text

High-sensitivity spectral resolution MM-wavelength 18-23 GHz radiometer by SAWANT, H. S, CECATTO, J. R

“…High-sensitivity, high-spectral-resolution solar observations in the millimeter wavelength are scanty. A sensitive radiometer with 1 GHz resolution, operating…”
Get full text

Brazilian Decimetric Array (Phase-I) by Sawant, H S, Ramesh, R, Cecatto, J R, Faria, C, Fernandes, FCR, Rosa, R R, Andrade, M C, Stephany, S, Cividanes, LBT, Miranda, CAI, Botti, LCL, Boas, JWSV, Saito, J H, Moron, CE, Mascarenhas, N D, Subramanian, K R, Sundararajan, MS, Ebenezer, E, Sankararaman, M R

“…An East-West, one-dimensional radio interferometer array consisting of five parabolic dish antennas has been set up at Cachoeira Paulista (longitude 45°0'20''…”
Get full text

Brazilian Decimetre Array (Phase-1): Initial solar observations by Ramesh, R., Sawant, H.S., Cecatto, J.R., Faria, C., Fernandes, F.C.R., Kathiravan, C., Suryanarayana, G.S.

“…An East–West one-dimensional radio interferometer array consisting of 5 parabolic dish antennas has been set-up at Cachoeira Paulista, Brazil (Longitude:…”
Get full text

Double Plasma Resonance for Decimetric dot-Emissions by Krishan, V, Fernandes, Fcr, Cecatto, Jr, Sawant, Hs

“…The mechanism of the double plasma resonance has been applied to the dot-like emission structures observed in the decimetric band. In particular, the existence…”
Get full text

Brazilian Solar Spectroscope (bss) by Sawant, Hs, Subramanian, Kr, Faria, C, Fernandes, Fcr, Sobral, Jha, Cecatto, Jr, Rosa, Rr, Vats, Ho, Neri, Jacf, Alonso, Emb, Mesquita, Fpv, Portezani, Va, Martinon, Arf

“…Digital, decimetric (200-2500 MHz) Brazilian Solar Spectroscope (BSS) with high time (10-1000 ms) and frequency (1-10 MHz) resolution is in regular operation…”
Get full text

Harmonically related decimetric fine structures by Sawant, H.S., Fernandes, F.C.R., Karlický, M., Mészárosová, H., Krishan, V., Cecatto, J.R., Madsen, F.R.H., Andrade, M.C.

“…We report rare events, above 1000 MHz, in which emission at the fundamental and at second harmonic frequencies show nearly identical fine structures. These…”
Get full text

High resolution studies of intermediate drift bursts by FERNANDES, F, KRISHAN, V, ANDRADE, M, CECATTO, J, FREITAS, D, SAWANT, H

“…We report high resolution observations of the Intermediate Drift (IMD) bursts in decimetric band (v = 950-2650 MHz). With a time resolution of 20- 50 ms and a…”
Get full text

Decimetric dot-like structures by Sawant, H.S., Fernandes, F.C.R., Cecatto, J.R., Vats, H.O., Neri, J.A.C.F., Portezani, V.A., Martinon, A.R.F., Karlický, M., Jiřička, K., Mészárosová, H.

“…Various types of fine structures have been observed by the Brazilian Solar Spectroscope (BSS) in the frequency range of (1000 – 2000) MHz, since its regular…”
Get full text

Brazilian Decimetric Array by Sawant, H.S., Subramanian, K.R., Lüdke, E., Sobral, J.H.A., Swarup, G., Fernandes, F.C.R., Rosa, R.R., Gonzalez, W.D., Cecatto, J.R.

“…A radio heliograph operating in the frequency range of 1200–1700 MHz is planned by INPE, Brazil, for investigations of time evolution of active regions, which…”
Get full text

SOURCE PARAMETERS FOR IMPULSIVE BURSTS OBSERVED IN THE RANGE 18-23 GHz by Sawant, H S, Rosa, R R, Cecatto, J R, Gopalswamy, N

“…Here, we report on impulsive solar radio bursts observed for the first time with high time/spectral resolution in the range 18 to 23 GHz. Using observational…”
Get full text

Phenomenological dynamics of coronal loops using a neural network approach by Rosa, R.R., Sawant, H.S., Cecatto, J.R., Rodrigues Neto, C., Lopes, V.C.A., Subramanian, K.R., Fernandes, F.C.R., Saito, J.H., Moron, C.E., Mucheroni, M.L., Furuya, N., Mascarenhas, N.

“…The objective of this study is to simulate the X-ray 2D-coronal dynamics using an artificial neural network — multilayer backpropagation algorithm with inputs…”
Get full text

Solar imaging capabilities of the Brazilian Decimetric Array by M. L. Mucheroni, C. E. Moron, W. D. Gonzalez, J. H. A. Sobral, G. Swarup, R. R. Rosa, J. R. Cecatto, F. C. R. Fernandes, K. R. Subramanian, H. S. Sawant, E. Lüdke

“…In collaboration with the Department of Physics at the Universidade Federal de São Carlos (UFSC), the Instituto Nacional de Pesquisas Espaciais (INPE), and the…”
Get full text

Radio observations of total solar eclipse of November 3, 1994 at Chapecó (Brzil) by Sawant, H.S., Srivastava, N., Trigoso, H.E., Sobral, J.H.A., Fernandes, F.C.R., Cecatto, J.R., Subramanian, K.R.

“…Radio observations of the eclipse on November 3, 1994, were carried out at Chapecó, Brazil by using a decimetric spectrograph having high spectral and time…”
Get full text

Solar imaging capabilities of the Brazilian decimetric array by E. Lüdke, H. S. Sawant, K. R. Subramanian, F. C. R. Fernandes, J. R. Cecatto, R. R. Rosa, J. H. A. Sobral, G. Swarup, W. D. Gonzalez, C. E. Moron, M. L. Mucheroni

“…En colaboración con la Universidad Federal de São Carlos, el Instituto Nacional de Pesquisas y la Universidad Federal de Santa María se hacen esfuerzos para…”
Get full text

High resolution time profile of decimetric type-III bursts by Cecatto, J R, Sawant, H S, Fernandes, FCR, Krishan, V, Neri, JACF, Filho, JCM

“…Type-III bursts are signatures of the electron beams accelerated during the solar flares, their observation and investigation provide information of the…”
Get full text