INTEGRAL and RXTE observations of accreting millisecond pulsar IGR J 00291 + 5934 in outburst

@inproceedings{Falanga2005INTEGRALAR,
  title={INTEGRAL and RXTE observations of accreting millisecond pulsar IGR J 00291 + 5934 in outburst},
  author={Maurizio Falanga and Lucien Kuiper and Juri Poutanen and E. W. Bonning and W. Hermsen and Tiziana di Salvo and Paolo Goldoni and Andrea Goldwurm and Simon E. Shaw and Luigi Stella},
  year={2005}
}
Simultaneous observations of the accretion-powered millisecond pulsar IGR J00291+5934 by International Gamma-Ray Astrophysics Laboratory and Rossi X-ray Timing Explorer during the 2004 December outburst are analysed. The average spectrum is well described by thermal Comptonization with an electron temperature of 50 keV and Thomson optical depth τT ∼ 1 in a slab geometry. The spectral shape is almost constant during the outburst. We detect a spin-up of the pulsar with ν̇ = 8.4 × 10Hz s. The… CONTINUE READING
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