Inflight calibration of SRG/ART-XC point spread function at large off-axis angles

R. Krivonos, R. Burenin, E. Filippova +12

The knowledge of the point spread function (PSF) of the Mikhail Pavlinsky Astronomical Roentgen Telescope - X-ray Concentrator (ART-XC) telescope aboard the Spectrum-Roentgen-Gamma…