XMMNewton
Users Handbook
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3.3.12.2 EPIC flux to count rate conversion
The following set of figures
(Figs. 4874)
provides EPIC flux to count rate conversion factors for a variety of
standard spectral models, for each camera type (pn and MOS), with the thin,
medium and thick optical blocking filters. Families of curves for various values
of the foreground absorbing column density, , are plotted. Both the
(unabsorbed) fluxes (i.e., after taking into account the attenuation by
the foreground gas) and the count rates are calculated for the 0.112
keV band.
Note that these plots are based on the most recent canned response
matrices and effective area files using SAS 15.0.0.
The order of the plots is:
 Power law models
 Thermal plasma (mekal) models with solar metallicities
 Black body models
For each model type, three pn camera plots are shown first (thin, medium
and thick filter, in that order), then six MOS plots.
Note: Plots in the previous and in this section are presented only as a
quicklook reference. Users are strongly advised to estimate the
expected count rates and spectra for their sources through proper
simulations via, e.g. the command fakeit in XSPEC. The most updated EPIC response matrices should be used for
this purpose.
Figure 48:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for pn camera for various
power law spectra and for different values of the absorbing column density,
(thin filter).

Figure 49:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for pn camera for various
power law spectra and for different values of the absorbing column density,
(medium filter).

Figure 50:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for pn camera for various
power law spectra and for different values of the absorbing column density,
(thick filter).

Figure 51:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS1
camera for various power law spectra and for different values of the
absorbing column density, (thin filter).

Figure 52:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS1
camera for various power law spectra and for different values of the
absorbing column density, (medium filter).

Figure 53:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS1
camera for various power law spectra and for different values of the
absorbing column density, (thick filter).

Figure 54:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS2
camera for various power law spectra and for different values of the
absorbing column density, (thin filter).

Figure 55:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS2
camera for various power law spectra and for different values of the
absorbing column density, (medium filter).

Figure 56:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS2
camera for various power law spectra and for different values of the
absorbing column density, (thick filter).

Figure 57:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for pn camera for various
mekal spectra and for different values of the absorbing column
density, (thin filter).

Figure 58:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for pn camera for various
mekal spectra and for different values of the absorbing column
density, (medium filter).

Figure 59:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for pn camera for various
mekal spectra and for different values of the absorbing column
density, (thick filter).

Figure 60:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS1
camera for various mekal spectra and for different values of the
absorbing column density, (thin filter).

Figure 61:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS1
camera for various mekal spectra and for different values of the
absorbing column density, (medium filter).

Figure 62:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS1
camera for various mekal spectra and for different values of the
absorbing column density, (thick filter).

Figure 63:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS2
camera for various mekal spectra and for different values of the
absorbing column density, (thin filter).

Figure 64:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS2
camera for various mekal spectra and for different values of the
absorbing column density, (medium filter).

Figure 65:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS2
camera for various mekal spectra and for different values of the
absorbing column density, (thick filter).

Figure 66:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for pn camera for various
black body spectra and for different values of the absorbing column
density, (thin filter).

Figure 67:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for pn camera for various
black body spectra and for different values of the absorbing column
density, (medium filter).

Figure 68:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for pn camera for various
black body spectra and for different values of the absorbing column
density, (thick filter).

Figure 69:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS1
camera for various black body spectra and for different values of the
absorbing column density, (thin filter).

Figure 70:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS1
camera for various black body spectra and for different values of the
absorbing column density, (medium filter).

Figure 71:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS1
camera for various black body spectra and for different values of the
absorbing column density, (thick filter).

Figure 72:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS2
camera for various black body spectra and for different values of the
absorbing column density, (thin filter).

Figure 73:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS2
camera for various black body spectra and for different values of the
absorbing column density, (medium filter).

Figure 74:
EPIC flux to count rate conversion factors (in units of
10 counts erg cm) for MOS2
camera for various black body spectra and for different values of the
absorbing column density, (thick filter).

Next: 3.3.12.3 Count rate conversion from other Xray satellite missions
Up: 3.3.12 EPICspecific proposal submission information
Previous: 3.3.12.1 EPIC spectral quality
European Space Agency  XMMNewton Science Operations Centre