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19982019
most citedDiscrete sources as the origin of the Galactic X-ray ridge emission

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astro-ph2000★ 94 cited

New class of low frequency QPOs: signature of nuclear burning or accretion disk instabilities?

M. Revnivtsev, E. Churazov, M. Gilfanov +1

We report the discovery of a new class of low frequency quasi--periodic variations of the X-ray flux in the X-ray bursters 4U1608-52 and 4U1636-536. We also report an occasional de…