Why doesn't Sherpa plot in energy scale, even if I enter "PLOTX 2 ENERGY"?
Make sure that the instrument model for the data is defined:
sherpa> INSTRUMENT 2 = RSP[acis](my.rmf, my.arf,)
and that the ARF file has non-zero elements.
|
|
|
 |
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. |