Simultaneous INTEGRAL, RXTE, Swift and FT South observations of the transition of GX 339-4

Cadolle Bel, M.; Kuulkers, E.; Ibarra, A.; Diaz Trigo, M.; Tomsick, J.; Rodriguez, J.; Prat, L.; Corbel, S.; Russell, D. M.; Altamirano, D.; Lewis, F.; Bozzo, E.; Turler, M.; Ferrigno, C.
Bibliographical reference

The Astronomer's Telegram, #2573

Advertised on:
4
2010
Number of authors
14
IAC number of authors
0
Citations
2
Refereed citations
1
Description
As GX 339-4 has started to leave the Low/Hard State (ATel #2545), we triggered the 2nd part of our INTEGRAL campaign on GX 339-4 in the declining phase of the hard X-ray band, as well as contemporaneous Swift observations. The source was observed by INTEGRAL for 158 ks between April 15 (01:57 UTC) and 17 (01:04 UTC), while Swift observed it four times 2 ks during that period (program #30943). During the same period, RXTE observed the source two times, 528 and 672 s (program #95409), plus once before (976 s) and once after the INTEGRAL campaign (1744 s), respectively.