CXC Home Page
Proposal Planning Toolkit

Main
Proposer
Page
  PIMMS Colden Precess Dates Resource Cost Calculator Star Checker  

PIMMS v4.12d: with ACIS Pile up and Background Count Estimation
Input
 Count Rate  Flux  Flux Density
Mission:
Detector/Grating/Filter:
Input Energy: to keV
Output
 Count Rate  Flux  Flux Density
Mission:
Detector/Grating/Filter:
Output Energy: to
Model: Galactic NH: Redshift(z): Redshifted NH:   Photon Index:   Count Rate:

cm**-2
cm**-2 		 
N=AE**-a 		 
cts/s
Source:
Frame Time:
sec

PIMMS Prediction: Pileup: Predicted piled count rate: Background Count Rate:

cts/sec count rate
%
cts/frame
cts/sec
cts/sec

Note: The CXC updates PIMMS and related calibration files annually in coordination with the release of the Call for Proposals for each Chandra Cycle. Results for other missions included in CXC PIMMS are therefore not guaranteed correct and up-to-date for other missions proposal time frames.

DS10.13 Thursday, September 19, 2024
The Chandra X-Ray Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory. 60 Garden Street, Cambridge, MA 02138 USA.   Email: cxchelp@cfa.harvard.edu Smithsonian Institution, Copyright © 1998-. All rights reserved.