Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975pasau...2..330c&link_type=abstract
(Astronomical Society of Australia, Annual General Meeting, 9th, Parkes, New South Wales, Australia, May 14-16, 1975.) Astronomi
Astronomy and Astrophysics
Astronomy
4
Astronomical Maps, Galactic Structure, Low Frequencies, Milky Way Galaxy, Radio Astronomy, Antenna Arrays, Computer Techniques, H Ii Regions, Interstellar Gas, Ionized Gases, Numerical Control, Pointing Control Systems, Radio Antennas
Scientific paper
A preliminary report is presented concerning sky mapping operations conducted at the University of Tasmania with the aid of the Llanherne low frequency array. A scanning system containing a computer is used. The computer is programmed to steer the telescope beam to a number of declinations with a time interval between settings such that a scan takes 5 minutes. Observations are being made at 3.6, 5.5, 8.3, and 13 MHz together with some at 16.5 MHz. The main features of the map are the discrete regions of absorption due to nearby HII regions and a band of absorption along the galactic plane.
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