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Title: Microsat and lunar - based imaging of radio bursts.
Authors: MacDowall, R. J.
Gopalswamy, N.
Kaiser, M. L.
Demaio, L. D.
Bale, S. D.
Kasper, J. C.
Lazarus, A. J.
Howard, R. E.
Jones, D. L.
Reiner, M. J.
Weiler, K. W.
Keywords: low frequency
radio astronomy
Issue Date: 20-Apr-2005
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005.
Citation: Planetary Radion Emissions VI, Graz, Austria, April 20-22, 2005.
Abstract: No present or approved spacecraft mission has the capability to provide high angular resolution imaging of solar or magnetospheric radio bursts or of the celestial sphere at frequencies below the ionospheric cutoff. Here, we describe a MIDEX-class mission to perform such imaging in the frequency range ~30 kHz to 15 MHz. This mission, the Solar Imaging Radio Array (SIRA), is solar and exploration-oriented, with emphasis on improved understanding and application of radio bursts associated with solar energetic particle (SEP) events and on tracking shocks and other components of coronal mass ejections (CMEs). SIRA will require 12 to 16 micro-satellites to establish a sufficient number of baselines with separations on the order of kilometers. The constellation consists of microsats located quasi-randomly on a spherical shell, initially of ~l0 km diameter. The baseline microsat is 3-axis stabilized with body-mounted solar arrays and an articulated, earth pointing high gain antenna. The constellation will likely be placed at Ll, which is the preferred location for full-time solar observations. We also discuss briefly follow-on missions that would be lunar-based with of order 10,000 dipole antennas.
Appears in Collections:JPL TRS 1992+

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