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Browsing by Author "Stawarz, Lukasz"
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First Hard X-ray Observation of a Compact Symmetric Object : A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra
Sobolewska, Malgosia; Siemiginowska, Aneta; Guainazzi, Matteo; Hardcastle, Martin; Migliori, Giulia; Ostorero, Luisa; Stawarz, Lukasz (2019-10-22)Compact Symmetric Objects (CSOs) have been observed with Chandra and XMM-Newton to gain insights into the initial stages of a radio source evolution and probe the black hole activity at the time of relativistic outflow ... -
The Impact of the Environment on the Early Stages of Radio Source Evolution
Sobolewska, Malgosia; Siemiginowska, Aneta; Guainazzi, Matteo; Hardcastle, Martin; Migliori, Giulia; Ostorero, Luisa; Stawarz, Lukasz (2019-01-23)Compact Symmetric Objects (CSOs) show radio features such as jets, lobes, hot spots that are contained within the central 1 kpc region of their host galaxy. Thus, they are thought to be among the progenitors of large-scale ... -
X-ray properties of the Youngest Radio Sources and their Environments
Siemiginowska, Aneta; Sobolewska, Malgosia; Migliori, Giulia; Guainazzi, Matteo; Hardcastle, M.J.; Ostorero, Luisa; Stawarz, Lukasz (2016-05-23)We present the first results from our X-ray study of young radio sources classified as compact symmetric objects (CSOs). Using the Chandra X-ray Observatory we observed six CSOs for the first time in X-rays, and re-observed ...