A soft-spectrum PULX candidate is reported in Cen A but XMM-SAS randomisation during data reduction renders the marginal 1.27 Hz pulsation detection unreliable across repeated reductions.
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astro-ph.HE 2years
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Comparative analysis reveals a potential separate population of ULXs in spiral galaxies with single occurrences, featuring both soft and hard sources, while highlighting globular cluster links in elliptical galaxies.
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Significant or Not? The Impact of Randomisation During Data Reduction on Confirming a New Pulsating Ultraluminous X-ray Source Candidate in Centaurus A
A soft-spectrum PULX candidate is reported in Cen A but XMM-SAS randomisation during data reduction renders the marginal 1.27 Hz pulsation detection unreliable across repeated reductions.
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A comparative study of occurrence rates and nature of Ultraluminous X-ray sources in spiral and elliptical galaxies
Comparative analysis reveals a potential separate population of ULXs in spiral galaxies with single occurrences, featuring both soft and hard sources, while highlighting globular cluster links in elliptical galaxies.