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arXiv:astro-ph/0406310 (astro-ph)
[Submitted on 14 Jun 2004]

Title:High resolution Chandra X-ray imaging of the nucleus of M33

Authors:G. Dubus, P. A. Charles, K. S. Long
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Abstract: We show with a short Chandra HRC-S exposure that the powerful X-ray source coincident with the nucleus of M33 is unresolved at the highest spatial resolution available to date (0"4). The source flux is variable, doubling during the 5 ks exposure. The combination of properties exhibited by M33 X-8 establishes the source as the nearest example of the ultra-luminous X-ray sources that have been uncovered in other nearby galaxies. On short timescales, we set limits of 9% r.m.s. variability for pulsations in the 0.01-1000 Hz range.
Comments: accepted for publication in A&A
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0406310
  (or arXiv:astro-ph/0406310v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0406310
Journal reference: Astron.Astrophys. 425 (2004) 95-98
Related DOI: https://doi.org/10.1051/0004-6361%3A20041253

Submission history

From: Guillaume Dubus [view email]
[v1] Mon, 14 Jun 2004 11:44:33 UTC (23 KB)
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