X-ray spectral features and classification of selected QSOs
  We present the results of a systematic analysis of the XMM-Newton spectra of
nearby optically bright QSOs. The objects have been selected from X-ray Galaxy
Catalog Xgal20. It is a catalog of 1172 manually identified and classified
galaxies, obtained as a cross-correlation between the 4XMM-DR9 catalog and the
Hyper-Linked Extragalactic Databases and Archives (HyperLeda) with an X-ray
flux greater than 1E-13 erg/cm^2/s.
  The goal of this work is to characterize the X-ray spectral properties of
selected QSOs in the 0.1 - 10 keV energy band. The majority of the sources (6
out of 11), are classified as radio-quiet QSOs. We studied optical spectra,
hardness ratios and performed X-ray spectral fits for the 10 brighter sources.
In most cases, the power law model with absorption is good enough to simulate
observed continua. Although the details of the spectrum in some sources
significantly complicate the model for fitting. The majority of sources have
steep spectra Gamma > 2.1. Extremely steep photon index 2.4 - 2.5 in our sample
occurs for three radio-loud type I quasars. We detected Fe K-alpha line for two
radio-loud type II quasars. We find no strong evidence for spectral hardening
above 2 keV neither for quasars of type I nor for obscured type II. For each
quasar its type was established both based on the features and details of
observed X-ray spectrum and previous data.
