About Chandra Archive Proposer Instruments & Calibration Newsletters Data Analysis HelpDesk Calibration Database NASA Archives & Centers Chandra Science Links

Skip the navigation links
Last modified: 1 Dec 2006
Hardcopy (PDF): A4 | Letter

Image 1: Data grouped by 15 and 30 counts per group



The top plot shows the data as read in to Sherpa - which is binned by 15 counts per group - and the bottom plot shows the dataset after groupByCounts() has been called to re-group the data to 30 counts per group.

[Image 1: Data grouped by 15 and 30 counts per group]

Postscript version of image

Return to thread
Hardcopy (PDF): A4 | Letter
Last modified: 1 Dec 2006


The Chandra X-Ray Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory.
60 Garden Street, Cambridge, MA 02138 USA.    Email: cxcweb@head.cfa.harvard.edu
Smithsonian Institution, Copyright © 1998-2004. All rights reserved.