Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-03-31
Astrophys.J. 646 (2006) 76-84
Astronomy and Astrophysics
Astrophysics
19 pages, 5 figures, including 1 colour figure. Accepted in ApJ
Scientific paper
10.1086/504822
We present far-ultraviolet spectra of the Seyfert2 galaxy Mrk533 obtained with FUSE. These spectra show narrow asymmetrical OVI 1032,1038 emission lines with stronger wings shortward of the peak wavelength, but the degree of asymmetry of these wings in velocity is much lower than that of the wings of the lines of lower ionization. In the combined OVI profile there are marginal indications of local absorptions in the outflow. The CIII 977 line is seen weakly with a similar profile, but with very low signal to noise. These FUV spectra are among the first for a Seyfert of type2, i.e., a purportedly obscured Seyfert. The HST STIS spectral image of Mrk533 allows delineation of the various components of the outflow, and we infer that the outflow is accelerated. We discuss the results in terms of nuclear geometry and kinematics.
Hutchings John
Murthy Jayant
Shastri Prajval
Whittle Mark
Wills Beverley J.
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