Probing heartbeat oscillations from the black hole X-ray binary GRS 1915+105 using spectral-timing analysis

Karan Akbari, Chintan Patel, Sayantan Bhattacharya +2

GRS 1915+105 is a black hole X-ray binary whose $\rho$-class ("heartbeat") oscillations ($\sim$50--100 s) are attributed to radiation-pressure instabilities in the inner accretion dis…