Fig. 5.
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Results of many different measurements for the ratio of flux densities of Cas A to Cyg A at 38 MHz in time (from 1954 to 2019) that were published in literature (Baars et al. 1977; Rees 1990; Vinyaikin 2006; Helmboldt & Kassim 2009). Also included are scaled versions of the 80 MHz data of Martirossyan et al. (2002, BAO) as well as the GURT observations obtained in 2014 (Bubnov et al. 2014) and 2019.
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