Displacement of X-Ray Sources from Star Clusters in Starburst Galaxies

Preprint

21 December 2003

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.astro-ph/0312568

Abstract

We examine the spatial offsets between X-ray point sources and star clusters in three starburst galaxies. We find that the X-ray sources are preferentially located near the star clusters. Because the star clusters are very good tracers of the star formation activity in the galaxies, this indicates that the X-ray sources are young objects associated with current star formation. We find significant displacements of the X-ray sources from the clusters. These displacements are likely due to motion of the X-ray sources and indicates that they are X-ray binaries. We find that brighter X-ray sources preferentially occur closer to clusters. The absence of very bright sources at large displacements from clusters may help constrain models of the sources.

Keywords

All Related Versions

Version 1, 2003-12-21, ArXiv
Published version: Monthly Notices of the Royal Astronomical Society, 348 (2), L28.

This publication has 0 references indexed in Scilit: