The bipolar jets associated with the planetary nebulae NGC 2392 and NGC 6543 |
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Authors: | L. F. Miranda J. Solf |
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Affiliation: | (1) Sternberg Astronomical Institute, Moscow, U.S.S.R. |
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Abstract: | TheUBV-photometry of a well-known X-ray binary Her X-1/HZ Her over 16 years is presented. The mean light curves of this system were constructed, using our and published data. Based on our observations in primary minimum the colour behaviour of Her X-1/HZ Her was investigated. An additional radiation during total eclipse of accretion disk is found at the ascending branch of the light curve.Paper presented at the 11th European Regional Astronomical Meetings of the IAU on New Windows to the Universe, held 3–8 July, 1989, Tenerife, Canary Islands, Spain. |
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