Paul, B; Agrawal, P. C; Rao, A. R; Manchanda, R. K
(Astronomical Society of India, 1996)
The hard X-ray pulsar GX 1+4 was observed several times in the last few years with a pair of balloon-borne Xenon filled Multi-cell Proportional Counters (XMPC). In a balloon flight made on 22 March 1995, the source was ...