Abstract
Abstract We report on an ASCA discovery of a new X-ray pulsar, AX J0049−732, in the Small Magellanic Cloud (SMC). The pulse shape is sinusoidal with a barycentric period of 9.1320 ± 0.0004 s. The X-ray spectrum was fitted by an absorbed power-law model with a photon index of 0.6+1.0−0.7 and a column density of 1.3+2.9−1.3 × 1022 cm−2. An unabsorbed flux at 0.7−10.0 keV was estimated to be 8 × 10−13 erg cm−2 s−1 corresponding to an X-ray luminosity of 4 × 1035 erg s−1 at the SMC distance of 62 kpc.
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