Kapanadze, B.B.Kapanadze0000-0003-0258-7469VERCELLONE, STEFANOSTEFANOVERCELLONE0000-0003-1163-1396ROMANO, PatriziaPatriziaROMANOHughes, P.P.HughesAller, M.M.AllerAller, H.H.AllerKharshiladze, O.O.KharshiladzeKapanadze, S.S.KapanadzeTabagari, L.L.Tabagari2024-01-112024-01-112018http://hdl.handle.net/20.500.12386/34525The source was observed 109 times by XRT between 2005 March 20 and 2008 June 12, with a total exposure of 367.4ks. The source was observed in the ultraviolet bands UVW1, UVM2, and UVW2 at the central wavelengths of 2600Å, 2200Å, and 193Å, respectively (along with the 0.3-10 band) and an average duration of 150s in each filter, ranging between 50 and 900s. The information about each pointing and the corresponding count rates are provided in Table 1. <P />(4 data files).enVizieR Online Data Catalog: Swift observations of Mrk 421. I. 2005-2008 (Kapanadze+, 2018)Databasehttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/854/662018yCat..18540066KFIS/05 - ASTRONOMIA E ASTROFISICA