Computer Science
Scientific paper
Mar 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..206c&link_type=abstract
XMM-Newton Proposal ID #02038801
Computer Science
Ngc1672, Xmm-Newton Proposal 02038801
Scientific paper
The two very-luminous ULXs (L[X] greater than 2E39 erg/s) in NGC 1672 are positioned precisely at the ends of the nuclear bar. The most luminous ULXs are the most difficult to explain as 'normal' X-ray binaries, and so are likely ULX candidates for IMBHs. We propose a detailed study, for the first time, of the X-ray spectra of these two fascinating ULXs, to study their spectral features and compare with ULX model predictions. A comparison with XMM-Newton X-ray spectra of ULXs in non-barred spirals will allow an important test to see if ULXs in spiral bars have unique spectral properties.
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