Also know as: AX J1639.0-4642 Simbad

X-ray mass function argues against LMXB classification (Pearlman et al., 2011, in prep.)

Available data

RXTE: >300ksec, last one Jan 2008 for 79ksec Thompson et al., 2006
Chandra: monitoring with ACIS-I of the Norma region, scheduled for Jun 2011; 30ksec ACIS-I with 20" off-axis on HESS J1640-465 (May 2007
XMM-Newton: 10ksec (Apr 2004), 22ksec (__Feb 2010!__), obtained under the impression to observe a HMXB
Swift: 8 and 9ksec XRT in Jan 2008 and Mar 2007; more off-axis pointings on J1637-4642 and HESSJ1640-465 (~28ksec between Feb 2006 and Feb 2007)
Suzaku: 50ksec (__Mar 2010!__)
BeppoSAX: only some GRB observations close by
ASCA: ~20" off-axis in Galactic ridge programm (50ksec, 1999 and 2000)

IGR J16393-4643