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Circinus X-1 at 408 MHz

  • A. G. Little (a1)


The radio source associated with Circinus X-1 has been observed several times at Molonglo since 1970 and some of these observations have already been reported (Whelan et al. 1977). In 1977 the source was again observed, this time for 17 consecutive days and during these observations the position and flux of the reference source 1505-56.9 were more precisely determined. A few sporadic observations have also been made in 1978. This note brings together the new observations and all the old measurements which have been corrected on the basis of the new data for 1505-56.9 Other observations have been made which were not calibrated against this source but these have not been included in this note since they are less well calibrated.



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Whelan, J.A.J., Mayo, S.K., Wickramasinghe, D.T., Murdin, P.G., Peterson, B.A., Hawarden, T.G., Longmore, A.J., Haynes, R.F., Goss, W.M., Simons, L.W., Caswell, J.L., Little, A.G. and McAdam, W.B., Mon. Not. R. Astron. Soc. 181, 259. (1977)

Circinus X-1 at 408 MHz

  • A. G. Little (a1)


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