Lunar occultations of 4C 24.11 and 4C 17.43 at decameter wavelengths

Details Lunar occultations of 4C 24.11 and 4C 17.43 at decameter wavelengths Lunar occultations of 4C 24.11 and 4C 17.43 at decameter wavelengths

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986azh....63...45b&link_type=abstract

(Astronomicheskii Zhurnal, vol. 63, Jan.-Feb. 1986, p. 45-49) Soviet Astronomy (ISSN 0038-5301), vol. 30, Jan.-Feb. 1986, p. 28-

Astronomy and Astrophysics

Astronomy

Astronomical Spectroscopy, Decametric Waves, Lunar Occultation, Radio Occultation, Brightness Distribution, Lunar Limb, Position (Location), Radiant Flux Density

Scientific paper

The results of observations of the lunar occultations of the sources 4C 24.11 and 4C 17.43 at the frequencies 20 and 25 MHz are presented. The coordinates, flux densities and upper limits of angular size are determined. For the source 4C 24.11 α(1950.0) = 06h01m51s.8±0s.3, δ(1950.0) = 24°30arcmin12arcsec±10arcsec the angular size is smaller than 20arcsec, the flux density is 27±4 and 23±4 Jy at the frequencies 20 and 25 MHz. For 4C 17.43 α(1950.0) = 08h12m43s.1±0s.8, δ(1950.0) = 17°51arcmin23arcsec±16arcsec the size is smaller than 30arcsec, the flux density is 27±5 and 22±4 Jy at 20 and 25 MHz respectively.

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