Long-term X-ray Variability of Circinus X-1

P. M. Saz Parkinson, D. M. Tournear, E. D. Bloom +6

We present an analysis of long term X-ray monitoring observations of Circinus X-1 (Cir X-1) made with four different instruments: Vela 5B, Ariel V ASM, Ginga ASM, and RXTE ASM, ove…