Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006head....9.1341b&link_type=abstract
American Astronomical Society, HEAD meeting #9, #13.41; Bulletin of the American Astronomical Society, Vol. 38, p.373
Astronomy and Astrophysics
Astrophysics
Scientific paper
CGX-2 was identified as a ULX and young SN in the Circinus Galaxy based on Chandra and HST observations in 1999/2000. Surprisingly, prior optical monitoring failed to detect any recent SN within the Circinus Galaxy; thus CGX2 might have important implications for currently adopted local SN rates. We recently obtained a VLT spectrum of the optical counterpart to CGX2 to confirm its nature and will present its optical identification. CGX2 has also been observed with Chandra several times now spanning a 5 yr period and we will present the first X-ray investigation of its temporal and spectral evolution.
F.E.B gratefully acknowledges the support provided by NASA through Chandra Postdoctoral Fellowship grant PF4-50032 awarded by the Chandra X-ray Center, which is operated by the Smithsonian Astrophysical Observatory for NASA under contract NAS8-03060.
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