Lambda 8-CM solar maps observed with the RSIP, a real-time multi-channel digital correlator backend installed to the radioheliograph at Toyokawa

Details Lambda 8-CM solar maps observed with the RSIP, a real-time multi-channel digital correlator backend installed to the radioheliograph at Toyokawa Lambda 8-CM solar maps observed with the RSIP, a real-time multi-channel digital correlator backend installed to the radioheliograph at Toyokawa

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987nuria..34...35e&link_type=abstract

Nagoya University, Research Institute of Atmospherics, Proceedings (ISSN 0077-264X), vol. 34, March 1987, p. 35-47.

Astronomy and Astrophysics

Astronomy

Astronomical Maps, Correlators, Image Processing, Real Time Operation, Solar Instruments, Calibrating, Coronagraphs, Data Processing, Radio Astronomy

Scientific paper

The lambda 8-cm radioheliograph at Toyokawa has been improved with respect to sensitivity and time resolution by the introduction of a new real-time digital correlator backend, which is called RSIP (Real-Time Solar Image Processor). Observations were started in late February, 1986. Radio maps of the daily observations are shown in part, and synoptic charts of total period of observations are illustrated for solar rotations between Carrington rotation number 1773, which started March 10, 1986, and 1783. Active regions are clearly seen on these synoptic charts, some of which are at high latitude of the new solar cycle and also absorption features are definitely recognized corresponding to dark filaments. Quality of the images is estimated to be 30 to 1 or 15 dB. Applied data processings are described briefly to obtain present images from observed antenna output correlations.

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