Foreword | Sponsors | First observations near Jupiter by the Juno Waves investigation | Analysis of Jovian low-frequency radio emissions based on stereoscopic observations with Juno and Earth-based radio telescopes | Quasi-periodic (QP) emissions as observed by Juno Waves (abstract) | Juno-ground-radio observations support (abstract) | Continuous monitoring of Jupiter's aurora and Io plasma torus with the Hisaki satellite: Recent results and future coordination with Juno (abstract) | Jovian decametric emission with the Long Wavelength Array station 1 (LWA1) | Radio emission from satellite-Jupiter interactions (especially Ganymede) | Simulating Jupiter-satellite decametric emissions with ExPRES: A parametric study | Search for Io, Ganymede and Europa induced radio emissions from Cassini/RPWS integrated power time series (abstract) | Statistical analysis of 26 years of observations of decametric radio emissions from Jupiter (abstract) | Morphology of the Jupiter Io-D decametric radio source | Jupiter's Io-C and Io-B decametric emission source morphology from LWA1 data analysis | Zebra-like fine spectral structures in Jovian decametric radio emission | Jupiter radio fine structures observed in decametric frequency range by URAN-2 radio telescope (abstract) | Statistical analysis of periodicity of Jovian S-burst (abstract) | Jovian DAM linear polarization study from coordinated, distant, ground-based radio telescopes (abstract) | Analysis of the observational characteristics of shadow-effects in the Jovian DAM emission (abstract) | The Radio Jove Project: Citizen science for radio astronomy (abstract) | Feasibility of the exploration of the subsurface structures of Jupiter's icy moons by interference of Jovian hectometric and decametric radiation | Variation characteristics of Jupiter's hectometric radiation during the Iogenic plasma enhancement period (abstract) | Auroral electron energy estimation using the H/H2 brightness ratio applied to Jupiter | Quasi-periodic magnetospheric activities of Jupiter and Saturn and magneto{inertial oscillations of their inner radiation belts (extended abstract). | Total  ux measurements of Jupiter's synchrotron radiation during the Hisaki and Juno campaign periods (abstract) | A model of the Jovian internal field derived from in-situ and auroral constraints | Io's ultraviolet spot emission as a probe of the Jovian magnetic field model (abstract). | The Saturnian Kilometric Radiation before the Cassini Grand Finale | Rotational modulation of Saturn Kilometric Radiation, narrrowband emission and auroral hiss | A  flux comparison of northern and southern Saturn kilometric radio bursts during southern summer | Seasonal variation of Saturn's auroral radio emissions in 2004-2015: The correlation with solar wind activity and solar EUV flux (abstract) | How do Saturn's radio emissions respond to magnetospheric compressions and tail reconnection: An analysis of SKR burst and low frequency extensions (LFEs) (abstract) | Auroral signatures of Saturn's magnetospheric dynamics (abstract) | Study of SED's emission parameters | Interpretation of whistler mode chorus observations with the backward wave oscillator model | Whistler-mode chorus and hiss in the inner magnetosphere of Earth: Consequences for the JUICE project (abstract) | High electron cyclotron harmonic emissions from aurora (abstract) | Application of a new method for calculation of low-frequency wave vectors | Generation of Auroral Kilometric Radiation in a dipole magnetic field: 3-D approach | Is the AKR Cyclotron Maser Instability a self-organized criticality system? | On the effciency of the source of electromagnetic emission in the electron diffusion region formed by plasma flow (extended abstract). | The ECMI in turbulent reconnecting current layers in strong guide fields (abstract) | The search for radio emission from giant exoplanets | The search for radio emission from exoplanets using LOFAR low-frequency beamformed observations: Data pipeline and preliminary results for the 55 Cnc system | Magnetospheres of Hot Jupiters: On the physical phenomena potentially observable in radio (abstract) | On the Cyclotron Maser Instability in magnetospheres of Hot Jupiters - Influence of ionosphere models | Searching for brown dwarfs at low radio frequencies (abstract) | Getting to know the nearest stars: Intermittent radio emission from Ross 614 (abstract) | Insight into atmospheres of extrasolar planets through plasma processes | Exo-lightning radio emission: The case study of HAT-P-11b | Characteristics of type III radio bursts and solar S bursts | Properties of groups of solar S-bursts in the decameter band | Observations of the Sun with the radio telescope LOFAR (abstract) | Radio manifestation of the CME observed on April 7, 2011 in the frequency band 8-32 MHz | Brightness temperature of decameter solar bursts with high-frequency cut-off | An active region jet and associated type III radio burst (extended abstract) | Interplanetary type III bursts and density  uctuations in the solar wind (abstract) | Oscillation of solar radio emission at coronal acoustic cut-off frequency (abstract) | HeRO: A space-based low frequency interferometric observatory for heliophysics enabled by novel vector sensor technology | Solar imaging using low frequency arrays | Progress in solar radio imaging with the UTR-2 radio telescope at decameter wavelengths (abstract) | Low frequency solar scrutiny with the Polish LOFAR stations | Database of solar radio bursts observed by solar radio spectro-polarimeter AMATERAS | 1977-2017: 40 years of decametric observations of Jupiter and the Sun with the Nançay Decameter Array | Multi-antenna observations in the low-frequency radio astronomy of solar system objects and related topics studies | The investigations of the solar wind beyond Earth's orbit by IPS observations at decameter wavelengths: Present state and perspectives | Anticipated plasma wave measurement onboard ExoMars 2020 surface platform | Software-type Wave-Particle Interaction Analyzer (S-WPIA) by RPWI for JUICE: Science objectives and implementation | Refurbishing Voyager 1 and 2 Planetary Radio Astronomy (PRA) data | Short antennas on a large spacecraft | Citations to articles of this issue | Email list of participants/authors | Group photo

Der achte internationale Workshop über planetare, solare und heliosphärische Radiostrahlung wurde im Oktober 2016 im historischen Schloss Seggau, ca. 35 km südlich von Graz, abgehalten. Die gesammelten Beiträge des Workshops erscheinen nun als Buch mit dem Titel „Planetary Radio Emissions VIII“ (PRE VIII), welches eine Fortsetzung der „silbernen Reihe“ PRE I–VII darstellt. Alle schriftlichen Beiträge wurden einem Begutachtungsverfahren unterworfen, das von den vier Herausgebern geleitet wurde. Die Entwicklungen im Bereich der planetaren und solaren Radiostrahlung werden bereits seit mehr als drei Jahrzehnten in den PRE-Sammelbänden dokumentiert. Der neue Band PRE VIII enthält Artikel über die ersten Messungen der Raumsonde Juno, die seit Mitte 2016 den Jupiter umkreist, und Artikel, in denen die Daten der Raumsonde Cassini, deren Mission im September 2017 endete, analysiert werden. Eine große Anzahl an Beiträgen gibt es zum Thema der Radiostrahlung von Jupiter: Hier wird die Unterstützung von Satellitenmissionen durch bodengebundene Radioteleskope immer wichtiger, und neue statistische Analysen von großen Datenmengen haben zu neuen Erkenntnissen über den Einfluss der Galileischen Monde auf die Jupiterradiostrahlung geführt. Neben Jupiter gibt es für die großen Radioteleskope auf der Erde (LOFAR, UTR-2, GURT, LWA, NDA u. a.) noch weitere Schwerpunkte, besonders die Sonne und Exoplaneten. Die Artikel zu den Exoplaneten in PRE VIII hinterlassen den Eindruck, dass die erste Entdeckung von Radioemissionen von Exoplaneten nicht mehr lange auf sich warten lassen wird. Weiters gibt es Beiträge zu terrestrischen Radioemissionen und zur Theorie der Radiostrahlung. Die technischen Entwicklungen bei den Instrumenten haben zur Entdeckung von neuen Feinstrukturen in den Emissionen und zu einer verbesserten Lokalisierung von Radioquellen auf der Sonne geführt, und neu entwickelte Datenbanken sollen Radiodaten für alle daran interessierten Wissenschaftler verfügbar machen. The “8th International Workshop on Planetary, Solar and Heliospheric Radio Emissions” was held in October 2016 in the historical castle Schloss Seggau, about 35 km south of Graz, Austria. The proceedings of this workshop are now available as the book Planetary Radio Emissions VIII (PRE VIII), which is a continuation of the “PRE silver series” issued by the Austrian Academy of Sciences Press. All contributions were peer-reviewed under the guidance of the four editors. For more than three decades the developments in the field of planetary and solar radio emissions have been documented in the PRE proceedings. The new volume PRE VIII contains articles about the first observations from the Juno spacecraft, which started to orbit Jupiter in mid-2016, and articles analysing the data of Cassini, whose mission ended in September 2017. A large number of contributions deals with the topic of Jovian radio emissions, where the ground-based support of space missions has become increasingly important, and where the statistical analysis of years of data have led to new conclusions about the influence of the Galilean moons. The large ground-based radio telescopes (LOFAR, UTR-2, GURT, LWA, NDA and others) have other important scientific targets besides Jupiter, namely the Sun and exoplanets. The articles about exoplanets in PRE VIII give the impression that a first detection of radio emission signatures could happen in a not too distant future. Other contributions deal with terrestrial radio emissions and theory. Finally, the technical developments in instrumentation have led to the discovery of new fine structures in radio emissions or to improved solar radio imaging, and newly developed databases should make radio data available to all interested scientists around the globe. 

Proceedings of the 8th International Workshop held at Seggauberg near Graz, October 25-27, 2016

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Philippe Zarka

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Planetary Radio Emissions VIII