Proceedings of an International Workshop Held in Crystal City, Virginia, USA, on 8 and 9 January 1990 Herausgegeben von Kassim, Namir E.; Weiler, Kurt W.
Proceedings of an International Workshop Held in Crystal City, Virginia, USA, on 8 and 9 January 1990 Herausgegeben von Kassim, Namir E.; Weiler, Kurt W.
Leading experts give an overview of very low frequency radio astronomy. They present for the first time in a single conference the astrophysical need for and possible instrumentation for implementing ground-based, ground-to-space, space-based, and lunar-based observations. The papers cover a wide range of topics such as solar astronomy, planetary science, supernova remnants, pulsars, interstellar thermal material, interstellar plasma refraction and diffraction, cosmic rays, extragalactic radio galaxies and quasars, ancient "fossil" radio sources, and new, coherent emission mechanisms.
Leading experts give an overview of very low frequency radio astronomy. They present for the first time in a single conference the astrophysical need for and possible instrumentation for implementing ground-based, ground-to-space, space-based, and lunar-based observations. The papers cover a wide range of topics such as solar astronomy, planetary science, supernova remnants, pulsars, interstellar thermal material, interstellar plasma refraction and diffraction, cosmic rays, extragalactic radio galaxies and quasars, ancient "fossil" radio sources, and new, coherent emission mechanisms.
For the first time a single conference on very low frequency radio astronomy is presented that covers instrumentation as well as observations. The topics treated include solar astronomy, supernova remnants, interstellar thermal material, cosmic rays, extragalactic radio galaxies and quasars, and new, coherent emission mechanisms.
Inhaltsangabe
Reflections on the radio astronomy explorer program of the 1960s and 70s.- Low frequency astrophysics with a space array.- The Lunar Observer radio astronomy experiment (LORAE).- Very low frequency radio astronomy from the moon.- An evolutionary sequence of low frequency radio astronomy missions.- Hectometer and kilometer wavelength radio astronomy.- A simple low-cost array on the lunar near-side for the early lunar expeditions.- A very low frequency array for the lunar far-side.- Radio noise near the earth in the 1-30 MHz frequency range.- A quantitative assessment of RFI in the near-earth environment.- Status of low frequency radio astronomical allocations at the 1992 World Administrative Radio Conference (WARC-92).- Solar radio astronomy at low frequencies.- Some problems in low frequency solar radio physics.- Broad-band images of AKR from ISEE-3.- Low frequency propagation in the Earth's magnetosphere.- Monitoring Jupiter's hectometric emission.- The low density ionized component of the interstellar medium and free-free absorption at high galactic latitudes.- Supernovae and supernova remnants at low frequencies.- Low frequency spectral lines from the cold ISM.- HII regions in absorption at low frequencies.- Low-frequency angular broadening and diffuse interstellar plasma turbulence.- Low frequency interstellar scattering and pulsar observations.- Pulsar astronomy at meter and decameter wavelengths: Results from Arecibo.- Refractive interstellar scintillation effects at low frequencies.- Low frequency surveying.- The new Cambridge 38 MHz radio survey - 1 steradian at 4 arcmin resolution and sub-Jansky sensitivity.- Cosmic rays in the galaxy and their implications for VLF Radio Astronomy.- Cosmic rays and the galactic radio background emission.- Known and expectedsources of low-frequency radiation.- Extrapolating electron spectra to low energies.- Radio emission from intergalactic gas, and its implications for low frequency astronomy in space.- In and around extragalactic sources at low frequencies.
Reflections on the radio astronomy explorer program of the 1960s and 70s.- Low frequency astrophysics with a space array.- The Lunar Observer radio astronomy experiment (LORAE).- Very low frequency radio astronomy from the moon.- An evolutionary sequence of low frequency radio astronomy missions.- Hectometer and kilometer wavelength radio astronomy.- A simple low-cost array on the lunar near-side for the early lunar expeditions.- A very low frequency array for the lunar far-side.- Radio noise near the earth in the 1-30 MHz frequency range.- A quantitative assessment of RFI in the near-earth environment.- Status of low frequency radio astronomical allocations at the 1992 World Administrative Radio Conference (WARC-92).- Solar radio astronomy at low frequencies.- Some problems in low frequency solar radio physics.- Broad-band images of AKR from ISEE-3.- Low frequency propagation in the Earth's magnetosphere.- Monitoring Jupiter's hectometric emission.- The low density ionized component of the interstellar medium and free-free absorption at high galactic latitudes.- Supernovae and supernova remnants at low frequencies.- Low frequency spectral lines from the cold ISM.- HII regions in absorption at low frequencies.- Low-frequency angular broadening and diffuse interstellar plasma turbulence.- Low frequency interstellar scattering and pulsar observations.- Pulsar astronomy at meter and decameter wavelengths: Results from Arecibo.- Refractive interstellar scintillation effects at low frequencies.- Low frequency surveying.- The new Cambridge 38 MHz radio survey - 1 steradian at 4 arcmin resolution and sub-Jansky sensitivity.- Cosmic rays in the galaxy and their implications for VLF Radio Astronomy.- Cosmic rays and the galactic radio background emission.- Known and expectedsources of low-frequency radiation.- Extrapolating electron spectra to low energies.- Radio emission from intergalactic gas, and its implications for low frequency astronomy in space.- In and around extragalactic sources at low frequencies.
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