Aperture synthesis observations of M17 at 5 GHz

Details Aperture synthesis observations of M17 at 5 GHz Aperture synthesis observations of M17 at 5 GHz

Feb 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....72..224m&link_type=abstract

Astronomy and Astrophysics, vol. 72, no. 1-2, Feb. 1979, p. 224-228. Research supported by the Royal Society.

Astronomy and Astrophysics

Astronomy

19

Hydrogen Clouds, Nebulae, Radio Astronomy, Radio Sources (Astronomy), Astronomical Maps, Infrared Astronomy, Point Sources, Radiant Flux Density

Scientific paper

M17 has been observed with the Westerbork Synthesis Radio Telescope at a frequency of 4.995 GHz (6 cm wavelength) with a resolution of 7 x 40 arcsec. Comparison with single-dish measurements indicates that about 30% of the total flux density of M17 originates in structures larger than 4 arcmin. The northern complex, G15.1-0.7, is quite diffuse and only about 45% of the single-dish flux density is detected. By contrast, essentially all of the flux density of the southern complex (G15.0-0.7) is contained in the map. A 6-cm point source of about 450 mJy is coincident with the 10.6-micron point source found by Harper et al. (1976).

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