140 citations · 212 across the 2 of their papers we have counts for
5 papers
First high energy observations of Narrow Line Seyfert 1s with INTEGRAL/IBIS
A. Malizia, L. Bassani, A. J. Bird +8
Narrow Line Seyfert 1 galaxies (NLS1) are very interesting objects which display peculiar properties when compared to their broad line analogues (BLS1). Although well studied in ma…
Unveiling the nature of INTEGRAL objects through optical spectroscopy. V. Identification and properties of 21 southern hard X-ray sources
N. Masetti, L. Morelli, E. Palazzi +13
Optical spectroscopic identification of the nature of 21 unidentified southern hard X-ray objects is reported here in the framework of our campaign aimed at determining the nature…
Unveiling the nature of INTEGRAL objects through optical spectroscopy. III. Observations of seven southern sources
N. Masetti, M. L. Pretorius, E. Palazzi +9
Context. The detection, thanks to the INTEGRAL satellite, of a number of new hard X-ray sources calls for the identification of their nature by means of observations at longer wave…
Unveiling the nature of INTEGRAL objects through optical spectroscopy. II. The nature of four unidentified sources
N. Masetti, E. Mason, L. Bassani +9
We present the results of our optical spectrophotometric campaign ongoing at the Astronomical Observatory of Bologna in Loiano (Italy) on hard X-ray sources detected by INTEGRAL. W…
Systematic effects induced on IBIS detectors by background and inhomogeneity of the spatial response
L. Natalucci, A. J. Bird, A. Bazzano +4
The spatial distribution of the background events may affect the source detection capability of IBIS at high energies (> 200 keV) for both ISGRI and PICsIT layers. The observed bac…