В работе описываются результаты изучения вариаций величины и направления потоков ионов солнечного ветра, измерявшихся с высоким временным разрешением (до 31 мсек). В отличие от прежних работ, представлявших, в основном, измеренные с периодичностью в несколько минут величины, нами показано, что направление потока ионов в солнечном ветре может испытывать большие (до нескольких градусов) и быстрые (до нескольких секунд) вариации.

Composition and tasks of the PLAZMA-F experiment onboard the SPEKTR-R satellite are described in this paper. A record high time resolution is a feature of solar wind plasma flux and energetic particle flux measurements. It allowed detecting a number of new and significant properties and parameters.

This paper describes the results of the investigation of variations of the value and direction of the solar wind ion flux, measured with high time resolution (up to 31 msec). Unlike previous papers that mainly represent values measured at intervals of several minutes, we have shown that the direction of the ion flux in the solar wind can undergo high (up to several degrees) and rapid (up to several seconds) variations.

Design of the plasma spectrometer BMSW (Fast Monitor of the Solar Wind, possessing high temporal resolution) is described in the paper, as well as its characteristics and modes of operation. Some examples of measurements of various properties of the solar wind, made with this instrument installed onboard the high-apogee satellite Spektr-R, are presented.

В статье описываются устройство, характеристики и режимы работы плазменного спектрометра БМСВ – быстрого монитора солнечного ветра, обладающего высоким временным разрешением. Приводятся примеры измерений различных свойств солнечного ветра с помощью этого прибора, работающего на высокоапогейном спутнике Спектр-Р.

The article provides a description of the determination of solar wind parame- ters such as the ion flux - its value and direction by analyzing of the measurements by a Fast Monitor of Solar Wind (FMSW) instrument (which is being a part of the experi- ment Plasma-F that is currently in a stage of preparation for the satellite Spectr-R). Simultaneous measurements of currents of three differently directed integral Faraday cups are used in this new method. The paper presents a continuation of the work de- scribed in our recent publication (1) and shows a new approach to the algorithm of pa- rameters' determination that gives us a better accuracy and wider limit of possibilities.

A simple model of e.m. emission created by the electron beam moving in the time varying selfconsisting electrostatic potential is presented. In the model the one dimensional electron beam is injected from the a charging up body to which the one dimensional plasma neutralisation current is coming. The calculation were related to the observation on the electron emitting payload Gruziya-60-Spurt.

This paper discusses photometric measurements made of the ionospheric excitation of the line λ = 5577Å at the time of electron beam injection from a rocket into the Earth's ionosphere. The gradual increase of the glow intensity per impulse occurs due to accumulation of the energy of excited states of N2(A3Σ+u) and O(′S) during their lifetimes. The large disturbed zone in the near-rocket environment (size >500 m) is connected via the interaction of ions accelerated in the rocket potential field with ionospheric components. The glow intensity modulation is observed at a height of ∼98 km during the electron beam injection simultaneously with the ignition of the beam-plasma discharge (BPD). The intensity minima are explained by a decrease of the energy of accelerated ions due to effective neutralization of the rocket body by the BPD plasma. The height profile of the glow intensity revealed two maxima at heights of ∼103 km and ∼115 km. The second maximum (at ∼115 km) indicates that, at these heights, both collision and collision-free mechanisms of accelerated ion energy transport to ionospheric components exist.

The paper presents some results obtained when a beam of electrons (energy 2 to 3.5 keV, current 0.2 to 0.4A) was injected from aboard the rocket at 100 to 150 km.

This paper describes two rocket experiments “Aelita” with high power lithium plasma injection. The results of onboard magnetometer, massspectrometer, photometer, plasma, corpuscular and ground radar measurements are given. Dynamics and structure of plasma formation are discussed.