A new Bologna sky survey at 408 MHz

Details A new Bologna sky survey at 408 MHz A new Bologna sky survey at 408 MHz

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26as...59..255f&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 59, Feb. 1985, p. 255-347.

Astronomy and Astrophysics

Astronomy

142

Astronomical Catalogs, Astronomical Spectroscopy, Radio Sources (Astronomy), Sky Surveys (Astronomy), Data Reduction, Instrument Errors, Radio Telescopes

Scientific paper

Observational data at 408 MHz on 13,354 radio sources in an 0.78-sr area between 37 deg 15 arcmin and 47 deg 37 arcmin declination, obtained with the enlarged Northern Cross transit radiotelescope during February-May 1977, are presented in tables and graphs as the first section of a third Bologna sky survey. Telescope parameters include NS length 635 m, EW length 572 m, angular resolution 2.6 arcmin EW and 4.8 arcmin x sec theta NS (where theta is the zenith angle), noise temperature 400 K, single-scan rms noise 10 mJy, bandpass 2.7 MHz, collecting area 27,000 sq m, and single-scan synthesis width 0.5 deg. The data-reduction procedures and the error limits are discussed in detail.

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