Decameter-wave observations of the H II region NGC 1499

Details Decameter-wave observations of the H II region NGC 1499 Decameter-wave observations of the H II region NGC 1499

Dec 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978doukr.....1125k&link_type=abstract

Akademiia Nauk Ukrains'koi RSR, Dopovidi, Seriia A - Fiziko-Matematichni ta Tekhnichni Nauki, Dec. 1978, p. 1125-1127. In Ukrai

Astronomy and Astrophysics

Astronomy

Decametric Waves, H Ii Regions, Nebulae, Radio Astronomy, Astronomical Maps, Brightness Temperature, Electron Density (Concentration), Electron Energy, Nonthermal Radiation, Radio Telescopes, Stellar Luminosity, Stellar Spectra

Scientific paper

Brightness distribution maps of the emission nebula NGC 1499 at 12.6 and 25 MHz are presented. The average volume density of nonthermal radiation between the nebula and the sun was found to be 1.7510 x 10 to the -40th W/cu m/Hz/sr at 25 MHz; the average electron temperature was 4000 K plus or minus 1500 K; and the emission measure was 1500 pc/cm to the -6th. Results are compared with other measurements.

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