INTEGRAL observations of GX339-4: preliminary spectral fit results

Details INTEGRAL observations of GX339-4: preliminary spectral fit results INTEGRAL observations of GX339-4: preliminary spectral fit results

Feb 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atel.1000....1c&link_type=abstract

The Astronomer's Telegram, #1000

Mathematics

Logic

8

Binaries, Black Holes, Transients, Variables

Scientific paper

We present the results of preliminary spectral fits to the first 130 ksec INTEGRAL ToO observation of GX 339-4 (see ATel #980, #986), obtained between 2007, Jan 30, 15:56 and Feb 01, 06:11. We made joint spectral fits to spectra obtained with the JEM-X (5-20 keV) and IBIS/ISGRI (23-300 keV) instruments. The model that best phenomenologically fits the joint spectrum consists of an absorbed multi-color black-body disk plus a powerlaw with a high-energy cut-off at 22 +/- 5 keV and a folding energy of 68 +/- 5 keV.

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