nasa logo, link to nasa home page Goddard Space Flight Center
NASA
> GSFC > Astrophysics Science Division > IXO
   + Search NASA
+ Google Search IXO
+ Intranet + Fast Facts + FAQs + Contact Us + Site Map
+ Home + Science + Technology + People + News + Resources

Related sites

+ NASA
+ NASA GSFC
+ ESA
+ JAXA

 


print Print this page

what
Parameter Requirement Science Drivers Instruments
Mirror Effective
Area
3 m2 @1.25 keV
0.65 m2 @ 6 keV
0.015 m2 @ 30 keV
Black Hole Evolution
Strong gravity
Strong gravity
 
Spectral Resolution
(FWHM), FOV, bandpass
ΔE = 2.5 eV,  2 arcmin,  0.3 – 7 keV
ΔE = 10 eV,  5 arcmin,   0.3 – 7 keV
ΔE =150 eV, 18 arcmin,  0.1– 15 keV
E/ΔE = 3000, point src,  0.3 – 1 keV
Galaxy Cluster Evolution
Cosmic Feedback
Black Hole Evolution
Cosmic Web
XMS
XMS
WFI/HXI
XGS
Angular Resolution 5 arcsec HPD,   0.3 – 7 keV
5 arcsec HPD,   0.3 – 7 keV
30 arcsec HPD,  7.0 – 40 keV
Cosmic feedback,
Black Hole Evolution
Strong Gravity
XMS
WFI/HXI
WFI/HXI
Count Rate 106 cps with < 10% deadtime Neutron Star
Equation of State
HTRS
Polarimetry 1% MDP, 100 ksec, 5×10-12
cgs (2–6 keV)
Strong Gravity XPOL

top of page Top

what
Effective Area Plot

Plot of the effective area of the IXO mirror and focal plane instruments compared to those of current X-ray observatories, showing the large improvement at all energies. Click the image for a larger view.

top of page Top

what
Resolution

Plot of the spectral resolution of the IXO calorimeter and grating (lower limit) compared to current X-ray observatories. The bottom panel shows the emission lines of the various elements in the energy range 0.1-3.0 keV (color) and their sum (black). Click the image for a larger view.


top of page Top