Temporal variation in the compact radio structure of NRAO 150 at 1671 MHz

Details Temporal variation in the compact radio structure of NRAO 150 at 1671 MHz Temporal variation in the compact radio structure of NRAO 150 at 1671 MHz

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...241l..73m&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 241, Oct. 15, 1980, p. L73-L76. NSF-supported research.

Astronomy and Astrophysics

Astronomy

6

Radio Sources (Astronomy), Very Long Base Interferometry, Radiant Flux Density, Radio Spectra, Radio Telescopes, Time Dependence, Variations

Scientific paper

The milli-arcsec structure of the unidentified radio source NRAO 150 has been examined at epochs 1978.5 and 1979.5 using a multibaseline VLBI array at 1671 MHz. The structure consists of two bright, barely resolved components (not greater than 5 milli-arcsec) and a weak extended component displaced by about 25 milli-arcsec. Comparison with published visibility data on a single baseline from epoch 1974.4 shows significant differences. The observed changes are consistent with a 1 Jy increase in the flux of a stationary bright component.

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