Accueil > Équipes > Cosmologie > Jean-Luc Atteia > Some plots illustrating the scientific performance of SVOM

 

Some plots illustrating the scientific performance of SVOM

Par Jean Luc Atteia - 26/08/2008

 

Yet to come...

 - Expected redshift distribution of SVOM-ECLAIRs GRBs

Note: Some of the plots below make use of the Swift GRB Table.
The SVOM Science Team acknowledges the Swift collaboration for providing this Table at
http://swift.gsfc.nasa.gov/docs/swift/archive/grb_table/


 

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Detection of Swift XRFs - 46.7 kb
This figure shows the sensitivity of SVOM-ECLAIRs to the X-Ray Flashes detected by Swift-BAT. The figure shows Swift GRBs in a plane showing their photon fluence as a function of their duration, XRFs are shown as red diamonds, and red and blue lines respectively show the sensitivity of SCOM-ECLAIRs for GRBs arriving on-axis and 30 degrees off-axis.


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Time & Frequency coverage - 46.3 kb
Spectral coverage of the prompt GRB and its afterglow with SVOM instruments, as a function of time. The upper panel refers to space-born instruments (GRM, ECLAIRS, XIAO, VT) and the lower panel refers to ground-based instruments (GWAC, C-GFT, F-GFT).


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Detection of Swift important GRBs - 52.6 kb
This figure shows the sensitivity of SVOM-ECLAIRs to the some important GRBs detected by Swift-BAT. The figure shows Swift GRBs in a plane showing their photon fluence as a function of their duration. The red and blue lines respectively show the sensitivity of SCOM-ECLAIRs for GRBs arriving on-axis and 30 degrees off-axis. We have shown in red 4 GRBs detected with Swift which had a strong impact in the field, all of them would be easily detectable by SVOM-ECLAIRs.


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Detection of visible afterglows with the VT - 35.2 kb
This plot summarizes the observation of GRB visible afterglows with Swift-UVOT, in the V band. Red circles indicate positive detections, while the black triangles represent upper limits on the magnitude of the visible afterglow. The thick blue line shows the sensitivity of SVOM-VT. The green dotted vertical line shows the time at which the VT is ready to observe. The black dashed line shows the temporal decay of a typical afterglow, evidencing the capability of the VT to detect many afterglows which were not detectable by Swift-UVOT.


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Detection of redshifted GRBs - 48.3 kb
This figure shows the sensitivity of SVOM-ECLAIRs to GRBs at moderate and high redshift detected by Swift-BAT. The figure shows Swift GRBs in a plane showing their photon fluence as a function of their duration, GRBs beyond redshift z=3 are shown as red dots. The red and blue lines respectively show the sensitivity of SCOM-ECLAIRs for GRBs arriving on-axis and 30 degrees off-axis.This plot shows that all GRBs with z>3 detected by SWIFT can be detected by ECLAIRs. Note that the size of the red symbols scales with z: larger symbols indicate GRBs at higher redshift.

 

 

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