Supernova Remnant W-44: Observations at 8350 Megacycles per Second

Details Supernova Remnant W-44: Observations at 8350 Megacycles per Second Supernova Remnant W-44: Observations at 8350 Megacycles per Second

Sep 1966

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1966sci...153.1633h&link_type=abstract

Science, Volume 153, Issue 3744, pp. 1633-1634

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9

Scientific paper

The region of W-44 was mapped at 8350 megacycles per second. The degree of linear polarization of the most intense portion of W-44 integrated over the 10.8-minute-of-arc beam was 11 ± 2 percent at position angle 45 degrees ± 5 degrees. This high degree of polarization is further evidence that W-44 is a supernova remnant. The integrated flux density of (95 ± 25) × 10-26 watt per square meter per cycle per second for this source is consistent with measurements at lower frequencies extrapolated with the use of a spectral index of -0.44, obtained by other observers. In addition, the compact source 3 minutes of right ascension west of W-44 was unpolarized, within the error of measurement. The flux density of (23 ± 6) × 10-26 watt per square meter per cycle per second determined for it along with the results of other observers indicate that this source has a thermal spectrum.

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