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Radio Bursts

LOFAR tied array imaging and spectroscopy of solar radio bursts

LOFAR tied array imaging and spectroscopy of solar radio bursts

... fluctuating bursts of high energy radiation such as hard X-rays (HXR) and sometimes ...produce radio bursts at a broad range of frequencies from a few GHz to MHz and sometimes down to kHz frequencies ...

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Statistical Relation Of Coronal Mass Ejections And Solar Wind Disturbances With Radio Bursts Related Geomagnetic Storms

Statistical Relation Of Coronal Mass Ejections And Solar Wind Disturbances With Radio Bursts Related Geomagnetic Storms

... solar radio bursts, occurred during the period 1997 to ...and radio bursts related geomagnetic and interplanetary parameters, we have found that CMEs and radio bursts related ...

6

LOFAR tied-array imaging of Type III solar radio bursts

LOFAR tied-array imaging of Type III solar radio bursts

... III radio bursts have been studied in detail at specific frequency ranges: kHz up to ∼10 MHz and >150 MHz, leaving a gap at frequencies of ∼10–150 ...of radio instru- ments onboard the Ulysses ...

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Observations of Low Frequency Solar Radio Bursts from the Rosse Solar Terrestrial Observatory

Observations of Low Frequency Solar Radio Bursts from the Rosse Solar Terrestrial Observatory

... solar radio bursts and the response of the Earth’s ionosphere and geomagnetic ...solar radio spectrometer set-up, and present dynamic spectra of a sample of Type II, III and IV radio ...II ...

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The SUrvey for Pulsars and Extragalactic Radio Bursts II: New FRB discoveries and their follow-up

The SUrvey for Pulsars and Extragalactic Radio Bursts II: New FRB discoveries and their follow-up

... the radio Universe have led to the discovery of Fast Radio Bursts ...Parkes radio telescope data (Lorimer et ...Parkes radio telescope, the Arecibo Observatory, the upgraded Molonglo ...

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Observation of quasi periodic solar radio bursts associated with propagating fast mode waves

Observation of quasi periodic solar radio bursts associated with propagating fast mode waves

... II radio bursts are usually seen as two paral- lel emission lanes on solar radio spectrograms with an instant frequency ratio of approximately 2, drifting from high to low ...this radio ...

9

Quasi periodic radio bursts associated with fast mode waves near a magnetic null point

Quasi periodic radio bursts associated with fast mode waves near a magnetic null point

... the radio band. The hard X-ray/radio obser- vations have shown that the particle acceleration sites are generally located in the reconnection region ...dio bursts, whereas the downward electrons ...

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The search for high-energy neutrinos coincident with fast radio bursts with the ANTARES neutrino telescope

The search for high-energy neutrinos coincident with fast radio bursts with the ANTARES neutrino telescope

... Fast radio bursts are candidate sources of efficient particle acceleration as they may release a great amount of energy in a short timescale, similar to the short gamma-ray ...

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Statistical Analysis of Associated and Non-Associated Type II Solar Radio Bursts during the Increasing Phase of Solar Cycle 23

Statistical Analysis of Associated and Non-Associated Type II Solar Radio Bursts during the Increasing Phase of Solar Cycle 23

... these bursts are due to non- thermal electrons and represent energy release in the ...II bursts are the violent eruptions from the Sun that result in shock waves propagating through the corona and ...

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Design and Performance analysis of a LPDA in VHF range for observing Solar Radio Bursts

Design and Performance analysis of a LPDA in VHF range for observing Solar Radio Bursts

... of radio emission which are associated with sunspots and flare ...more radio burst, having different amplitudes and durations. Some bursts occurred for duration as long as 30 minutes as that on ...

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DETECTION OF JOVIAN RADIO BURSTS AT HIGH ALTITUDES

DETECTION OF JOVIAN RADIO BURSTS AT HIGH ALTITUDES

... decametric radio signals seem to be linked to three longitude regions around the planet marked as A, B, and C source ...of radio signals detected here on ...the radio emissions [8, ...of ...

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WIND-PROOF LOG PERIODIC DIPOLE ARRAY FOR CAPTURING SOLAR RADIO BURSTS

WIND-PROOF LOG PERIODIC DIPOLE ARRAY FOR CAPTURING SOLAR RADIO BURSTS

... We have been designed and developed a wind-proof log periodic dipole array (LPDA) at Kalyani, West Bengal for recording solar bursts in the frequency range 50 to 300 MHz. From a consideration of design parameters, ...

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Type III solar radio bursts and Langmuir waves in the solar wind

Type III solar radio bursts and Langmuir waves in the solar wind

... The growth rate formulae for Langmuir waves generated by non-relativistic, anisotropic electrons for the cases of a continuous and discontinuous electron pitch angle distribution are giv[r] ...

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Tracking of an electron beam through the solar corona with LOFAR

Tracking of an electron beam through the solar corona with LOFAR

... The radio images also lead to the path-time diagram for a radio source in the plane of ...the bursts’ onset times and of the centroid ...type-III radio sources is nonuniform in the plane of ...

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A search for optical bursts from the rotating radio transient J1819-1458 with ULTRACAM

A search for optical bursts from the rotating radio transient J1819-1458 with ULTRACAM

... With the high-speed, triple-beam CCD camera ULTRACAM at our disposal (Dhillon & Marsh 2001), we have the ideal tool with which to search for optical bursts from RRATs. In this paper, we re- port on an attempt ...

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Astrophysics: Macroobject Shell Model

Astrophysics: Macroobject Shell Model

... The Lorimer Burst (FRB 010724) was discovered in 2007 in archived data taken in 2001. Just after the publication of the e-print with the first discovery, it was proposed that Fast Radio Bursts (FRBs) could ...

15

On the Gamma Ray Bursts Origin

On the Gamma Ray Bursts Origin

... so bursts) to the current on spin shock-waves and X-ray is FRBs can be observed as ULXs ...fast radio bursts means that in the range of Decimetric waves has a place the same mechanism from external ...

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A search for optical bursts from the rotating radio transient J1819−1458 with ULTRACAM – II. Simultaneous ULTRACAM–Lovell Telescope observations

A search for optical bursts from the rotating radio transient J1819−1458 with ULTRACAM – II. Simultaneous ULTRACAM–Lovell Telescope observations

... on 2008 August 6 with a total exposure time of 127 s. The two ULTRACAM drift-mode windows used to acquire high-speed data on J1819−1458 and the comparison star are shown by the boxes. The X-ray position of J1819−1458 ...

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A search for optical bursts from the repeating fast radio burst FRB 121102

A search for optical bursts from the repeating fast radio burst FRB 121102

... optical bursts from the repeating fast radio burst FRB 121102 using simultaneous observations with the high-speed optical camera ULTRASPEC on the ...and radio observations with the 100-m Effelsberg ...

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Impact and mitigation of space weather effects on GNSS receiver performance

Impact and mitigation of space weather effects on GNSS receiver performance

... solar radio flux density at ...solar radio burst power for this event was 4000–12,000 SFU, much lower than the level (40,000 SFU) expected to have significant effect on GPS receiv- ...solar radio ...

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