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Broad Band X-ray Spectra of M31 Sources with BeppoSAX
Ginevra Trinchieri, Gian Luca Israel, Lucio Chiappetti +5
We present the first spectral study of the X-ray emitting stellar sources in M31 in the energy band from 0.1 to 10 keV. We find that the globular cluster sources have spectral char…
Further evidence that 1RXS J170849.0-400910 is an Anomalous X-ray pulsar
GianLuca Israel, Stefano Covino, Luigi Stella +2
We report the results of two ROSAT HRI observations of the recently discovered 11s X-ray pulsar 1RXS J170849.0-400910. A refined position with a smaller error radius (10" uncertain…
The identification of the long-period X-ray pulsar 1WGA J1958.2+323 with a Be-star/X-ray binary
G. L. Israel, S. Covino, V. F. Polcaro +1
We present the results of optical observations performed between May and September 1998 of the stars within the position error circle of the recently discovered 12min pulsating X-r…