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Transient and Variable Ultra-luminous X-ray Sources in NGC 4552
V. Jithesh, A. S. Sreya, Riya Elza Mathew +2
We searched for transient and variable X-ray sources in the elliptical galaxy NGC 4552 using the {\it Chandra} and {\it XMM-Newton} observations from 2001-2012. We detected 14 tran…
X-Ray Spectral Variability of the TeV HBL Blazar PG 1553+113 with XMM-Newton
P. U. Devanand, Alok C. Gupta, Paul J. Wiita +2
We present an extensive X-ray spectral variability study of the TeV photon-emitting high-energy-peaked BL Lacertae object PG 1553+113, using the data from EPIC-PN camera of XMM-New…
Thermonuclear X-ray bursts across the eclipse transitions in the LMXBs EXO 0748-676 and XTE J1710-281
Ketan Rikame, Biswajit Paul, Rahul Sharma +1
The primary radiation from thermonuclear X-ray bursts observed in the neutron star low-mass X-ray binary (LMXB) systems can interact with various parts of the binary system. This i…
Serendipitous detection of an intense X-ray flare in the weak-line T Tauri star KM Ori with SRG/eROSITA
Savithri H. Ezhikode, Hema Anilkumar, R. Arun +8
Weak-line T Tauri stars (WTTS) exhibit X-ray flares, likely resulting from magnetic reconnection that heats the stellar plasma to very high temperatures. These flares are difficult…
Flares during Eclipses of High Mass X-ray Binary Systems Vela X-1, 4U 1700-37, and LMC X-4
Ketan Rikame, Biswajit Paul, Rahul Sharma +2
In eclipsing X-ray binary systems, the direct X-ray emission is blocked by the companion star during the eclipse. We observe only reprocessed emission that contains clues about the…