Modulation structures in the dynamic spectra of Jovian radio emission obtained with high time-frequency resolution

G. V. Litvinenko; A. Lecacheux; H. O. Rucker; A. A. Konovalenko; B. P. Ryabov; U. Taubenschuss; V. V. Vinogradov; V. E. Shaposhnikov

doi:10.1051/0004-6361:200809676

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Volume 493 / No 2 (January II 2009)

A&A, 493 2 (2009) 651-660

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Issue		A&A Volume 493, Number 2, January II 2009


Page(s)		651 - 660
Section		Planets and planetary systems
DOI		https://doi.org/10.1051/0004-6361:200809676
Published online		20 November 2008

A&A 493, 651-660 (2009)

Modulation structures in the dynamic spectra of Jovian radio emission obtained with high time-frequency resolution

G. V. Litvinenko¹, A. Lecacheux², H. O. Rucker³, A. A. Konovalenko¹, B. P. Ryabov¹, U. Taubenschuss³, V. V. Vinogradov¹ and V. E. Shaposhnikov⁴

¹ Institute of Radio Astronomy, Kharkov, Ukraine e-mail: gallitv@rian.kharkov.ua
² CNRS & Observatoire de Paris, France
³ Space Research Institute, Graz, Austria
⁴ Institute of Applied Physics, Nizhny Novgorod, Russia

Received: 28 February 2008
Accepted: 16 September 2008

Abstract

Aims. The wide-band dynamic spectra of Jovian decameter emission obtained over the last decade with high-frequency and high time resolution equipment on the largest decameter band antenna array, the Ukrainian T-shape Radio telescope (UTR-2), are presented.

Methods. We analyzed the data obtained with the Digital SpectroPolarimiter (DSP) and WaveForm Reciever (WFR) installed at UTR-2. The combination of the large antenna and high performance equipment gives the best sensitivity and widest band of analysis, dynamic range, time and frequency resolutions. The wavelet transform method and the Fourier technique was used for further data processing.

Results. The main characteristics of already known and newly detected modulation events were investigated and specified. The new receiving-recording facilities, methodology and program of observations are described in detail.

Key words: planets and satellites: individual: Jupiter

© ESO, 2009

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