rgibson> How can I recover the original counts spectrum of the rgibson> instrumental background, binned to the grid of my data rgibson> set? Hi Rob, Since you have done: > define_back( n, back_file) ; you could also do: > n_back = load_data( back_file ) ; and treat it like any other counts histogram. (assuming you then bin it like your data are binned). Does that suffice for what you want to do? -- Dave David Huenemoerder 617-253-4283 (o); -253-8084 (f); http://space.mit.edu/home/dph MIT Kavli Institute for Astrophysics and Space Research 70 Vassar St., NE80-6065, Cambridge, MA 02139 [Admin. Asst.: Elaine Tirrell, 617-253-7480, egt_at_email.domain.hidden rgibson> I have: rgibson> bScale = BACKSCAL of background rgibson> sScale = BACKSCAL of source rgibson> expo = exposure in seconds rgibson> print(get_iback(1) * bScale / sScale / expo) comes close to giving a list of rgibson> integer counts, but not quite. rgibson> Thanks, rgibson> Rob rgibson> ---- ---- You received this message because you are subscribed to the isis-users list. To unsubscribe, send a message to isis-users-request_at_email.domain.hiddenwith the first line of the message as: unsubscribeReceived on Thu Oct 18 2007 - 11:36:17 EDT
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