SIMBAD references

2005ApJ...634L..97P - Astrophys. J., 634, L97-L100 (2005/November-3)

RXTE discovery of multiple cyclotron lines during the 2004 December outburst of V0332+53.

POTTSCHMIDT K., KREYKENBOHM I., WILMS J., COBURN W., ROTHSCHILD R.E., KRETSCHMAR P., McBRIDE V., SUCHY S. and STAUBERT R.

Abstract (from CDS):

We present an analysis of the 2-150 keV spectrum of the transient X-ray pulsar V0332+53 taken with the Rossi X-Ray Timing Explorer (RXTE) in 2004 December. We report on the detection of three cyclotron resonance features at 27, 51, and 74 keV in the phase-averaged data, corresponding to a polar magnetic field of 2.7x10¹² G. After 4U 0115+63, this makes V0332+53 the second accreting neutron star in which more than two cyclotron lines have been detected; this has now also been confirmed by INTEGRAL. Pulse-phase spectroscopy reveals remarkably little variability of the cyclotron line through the 4.4 s X-ray pulse.

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Journal keyword(s): Stars: Pulsars: Individual: Alphanumeric: V0332+53 - Stars: Flare - Stars: Magnetic Fields - X-Rays: Binaries - X-Rays: Stars

Simbad objects: 4

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