2009 Fermi Symposium, Washington, D.C., Nov. 2-5 5
FIG. 8: XTEJ1752-223 light curve. Horizontal scale is in
modiﬁed Julian days.
12-25 keV band, where the ﬂux initially rose to about
240 mCrab (2009 Oct 25-28), suddenly dropped to
non-detectable on 2009 October 29-30, then rose again
during the period 2009 October 31 to November 2. As
of mid December 2009, the source remains in a high
intensity state. The light curve is shown for the pe-
riod MJD 54700-55200, again with 1-day resolution,
in Fig. 8. The ﬂuxes for XTE J1752-223 in Table 1
are given are for the interval of ﬂaring activity, TJD
55130-55180.
Acknowledgments
This work is supported by the NASA Fermi Guest
Investigator program. At LSU, additional support is
provided by NASA/Louisiana Board of Regents Co-
operative Agreement NNX07AT62A.
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