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Optical Spectroscopy of the ULX-Associated Nebula MF16
Pavel Abolmasov, S. Fabrika, O. Sholukhova +1
We present the results of optical panoramic and long-slit spectroscopy of the nebula MF16 associated with the Ultraluminous X-ray Source NGC6946 ULX-1. More than 20 new emission li…
Recent Radio Monitoring of Microquasars with RATAN-600 Radio Telescope
S. A. Trushkin, N. N. Bursov, T. Kotani +4
We report about the multi-frequency (1-30 GHz) daily monitoring of the radio flux variability of the three microquasars: SS433, GRS1915+105 and Cyg X-3 during the period from Septe…
Observation Campaign of SS 433 in April 2006
T. Kotani, K. Kubota, M. Namiki +19
A radio-IR-optical-X-ray observation campaign of SS 433 has been performed in April 2006, when the jet axis is almost perpendicular to the line of sight. Five flares have been dete…
SS 433: Radio/X-ray anti-correlation and fast-time variability
Samar Safi-Harb, Taro Kotani
We briefly review the Galactic microquasar SS 433/W50 and present a new RXTE spectral and timing study. We show that the X-ray flux decreases during radio flares, a behavior seen i…
A Massive Jet-Ejection from SS433
T. Kotani, S. Trushkin, E. K. Denissyuk +4
The detection of a massive jet-ejection event from SS433 with RXTE is reported. SS433 in its high state has been monitored with RXTE from 2001/11/09 (MJD = 52222) to 2001/11/25 (MJ…
X-ray Energy Spectra of the Super-soft X-ray Sources CAL87 and RXJ0925.7-4758 Observed with ASCA
K. Ebisawa, K. Mukai, T. Kotani +7
We report observation results of the super-soft X-ray sources (SSS) CAL87 and RXJ0925.7-4758 with the X-ray CCD cameras (Solid-state Imaging Spectrometer; SIS) on-board the ASCA sa…