A new generation of satellites observes Xray binaries

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A new generation of satellites observes X-ray
binaries
XMM-NEWTON

Diana Hannikainen
on behalf of the High Energy Space Astronomy
group Observatory, University of Helsinki
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• was successfully
• launched on Oct 17, 2002
• It carries four instruments on
• board
• The imager IBIS
• The spectrometer SPI
• The X-ray monitor JEM-X
• The optical monitor OMC

INTEGRAL images and takes spectra of
celestial objects in the 3 keV 10 MeV energy
range
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1994
VLA images Vapp 1.25c V 0.92c
Mirabel Rodriguez 1994
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GRS 1915105
BH 14 Msun
K-M III late-type giant
Mirabel et ql. 98
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GRS 1915105 on March 6, 2003
GRS 1915105
IBIS/ISGRI
20-40 keV 12 x 22 degrees
Hannikainen et al. 2003
New source (IAUC 8088)
SPI
100-200 keV
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JEM-X2 3-35 keV lightcurve
Hannikainen et al. 2003
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Cygnus X-3 during the performance verification
phase December 2002
PCA HEXTE
JEMX
Cyg X-3
Vilhu et al. 2003
SPI
ISGRI
Cyg X-1
SPI 34-52 keV
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XMM-NEWTON

• ESA X-ray Observatory
• Launched in December 1999
• Three identical X-ray telescopes (but with
  different detectors)
• 0.15 15 keV
• Optical monitor

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UW CrB (MS160326)

• An X-ray binary with either a neutron star or
  black hole primary
• Short orbital period of only 111 minutes
• High galactic latitude
• VERY unstable optical light curves changing from
  night to night in shape.

Nordic Optical Telescope
Hakala et al.
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XMM-Newton EPIC image
Optical monitor
Hakala et al.
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ROSAT PSPC
XMM-Newton EPIC
Hakala et al.
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Conclusions

• HESA group is actively involved in using the
  latest X-ray and
• gamma-ray detectors for the study of X-ray
  binaries
• We are involved in several INTEGRAL Core
  Programs
• involving X-ray binaries in general (Bright
  Low-Mass XRBs)
• and Cygnus X-3 in particular
• SMART-1 cruise science starts next year (GRS
  1915105
• and Cygnus X-3 amongst others)