Fourth set of INTEGRAL observations of GX339-4: preliminary spectral fit results

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

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atel.1032....1c&link_type=abstract

The Astronomer's Telegram, #1032

Astronomy and Astrophysics

Astronomy

3

X-Ray, Gamma Ray, Binaries, Black Holes, Transients, Variables

Scientific paper

We present the results of preliminary spectral fits to the fourth period of 130 ksec public INTEGRAL ToO observations of GX 339-4 (see ATels #980, #986, #1000, #1012, #1029), obtained between UT 2007, Mar 16, 17:03 and Mar 18, 07:17. We made joint spectral fits to spectra obtained with the JEM-X (5-20 keV) and IBIS/ISGRI (23-200 keV) instruments. The spectrum has slightly softened with respect to the previous observation (ATel #1029), with a contribution of the disk compared to the power-law emission of 36%.

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