4u0142+61 movie back to top




30625 ULTRACAM i' frames, each of 0.5 seconds exposure time, were co-added into 10 phase bins covering the 8.688 s RXTE spin period to give the movie of the field of 4U0142+61 shown here. The AXP, of magnitude 25, is at pixel position (475,524) and the field of view is approximately 13"x19". The vertical streaks are due to bright stars above the CCD windows.