Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...436..871t&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 436, no. 2, p. 871-874
Astronomy and Astrophysics
Astronomy
34
Pulsars, Spaceborne Astronomy, Stellar Models, Stellar Oscillations, X Ray Astronomy, X Ray Binaries, Astronomical Spectroscopy, Ginga Satellite, Mathematical Models, X Ray Spectra
Scientific paper
The discovery of quasi-periodic oscillations (QPOs) in the X-ray flux from the recurrent transient X-ray pulsar VO332+53 is reported. The centroid frequency, full width at half maximum (FWHM), and the relative root mean square (RMS) amplitude of the QPOs are (5.1 +/- 0.5) x 10-2 Hz, (3.3 +/- 1.5) x 10-2 Hz, and 4.8% +/- 1.2%, respectively. The beat frequency model is tested using these results and previously reported QPOs from other X-ray binary pulsars.
Dotani Tadayasu
Mitsuda Kazuhisa
Nagase Fumiaki
Takeshima Toshiaki
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