3 papers
astro-ph.HE2026
Exotic optical variability in the black hole X-ray binary IGR J17091-3624
Payaswini Saikia, David M. Russell, D. M. Bramich +9
IGR J17091-3624 is a distinctive black hole X-ray binary exhibiting exotic variability, including complex "heartbeat" oscillations in its X-ray light curves, similar to those obser…
astro-ph.HE2025
Evidence for enhanced mass transfer in the disc preceding the transition to the soft state in MAXI J1820+070
Pengcheng Yang, Guobao Zhang, David M. Russell +6
We investigate the 2018-2019 main outburst and the subsequent mini-outbursts of the black hole low-mass X-ray binary MAXI J1820+070 using optical/ultraviolet data from the Las Cumb…
astro-ph.HE2025
Search for the Optical Counterpart of Einstein Probe Discovered Fast X-ray Transients from Lulin Observatory
Amar Aryan, Ting-Wan Chen, Sheng Yang +24
The launch of the Einstein Probe (EP) mission has revolutionized the detection and follow-up observations of fast X-ray transients (FXTs) by providing prompt and timely access to t…