Abstract
SCHMITT1 has emphasized the outstandingly interesting properties of VRO 42 22 01 and its associated optical counterpart BL Lac2. Further interest has been aroused recently by the supposed detection of variable circular polarization at a frequency of 2,695 MHz (refs. 3 and 4). We have observed VRO 42 22 01 at various times and frequencies during 1968 with the interferometer of the Owens Valley Radio Observatory, always in conjunction with other programmes.
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References
Schmitt, J. L., Nature, 218, 663 (1968).
MacLeod, J. M., and Andrew, B. H., Astrophys. Lett., 1, 243 (1968).
Biraud, F., and Veron, P., Nature, 219, 254 (1968).
Biraud, F., Astron. Astrophys. (in the press).
Fomalont, E. B., Publ. Owens Valley Rad. Obs., 1 No. 3.
Williams, P. J. S., and Stewart, P., Mon. Not. Roy. Astro. Soc., 135, 319 (1967).
Berge, G. L., and Seielstad, G. A., Astrophys. J. (in the press).
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SEIELSTAD, G., YIP, K. Interferometric Observations of the Radio Source VRO 42 22 01. Nature 222, 967–968 (1969). https://doi.org/10.1038/222967b0
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DOI: https://doi.org/10.1038/222967b0
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