World Library  


Add to Book Shelf
Flag as Inappropriate
Email this Book

An X-Ray Spectral Fitting Package User's Guide for Version 11. 3. X: by Keith Arnaud

By Arnaud, Keith

Click here to view

Book Id: WPLBN0000659370
Format Type: PDF eBook
File Size: 695.11 KB
Reproduction Date:
Full Text

Title: An X-Ray Spectral Fitting Package User's Guide for Version 11. 3. X: by Keith Arnaud  
Author: Arnaud, Keith
Volume:
Language: English
Subject: Government publications, National Aeronautics and Space Administration (U.S.), NASA reference publication
Collections: NASA Publication Collection
Historic
Publication Date:
Publisher: National Aeronautics and Space Administration Publication

Citation

APA MLA Chicago

Keith, A. (n.d.). An X-Ray Spectral Fitting Package User's Guide for Version 11. 3. X. Retrieved from http://www.ebooklibrary.org/


Excerpt
Description: This document contains information regarding topics such as Walks through XSPEC, Brief Discussion of XSPEC Files, and Fitting Models to Data: An Example from EXOSAT...

Table of Contents
Contents 1 Introduction 1 1.1 XSPEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 New in Version 11.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.3 How to contact us . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.4 Relationship to HEAsoft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.5 History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.6 Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 Spectral Fitting and XSPEC 5 2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1.1 The Basics of Spectral Fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2 The XSPEC implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2.1 C(I): The Observed Spectrum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2.2 R(I,E): The Instrumental Response . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2.3 f(E): The Model Spectrum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.2.4 Fits and Confidence Intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.3 Helpful Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.3.1 Scripts and the Save command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.3.2 How to return to the XSPEC?? prompt . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.3.3 Simulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.3.4 Plotting Devices and Hardcopy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.3.5 Data groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.3.6 What to do when you have small numbers of counts . . . . . . . . . . . . . . . . . 10 2.3.7 Binning and Grouping data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.3.8 How to shut XSPEC up (somewhat) . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.3.9 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3 An overview of XSPEC 13 3.1 Command syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.2 Reading data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.3 Defining models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.4 Fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.5 Plotting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.6 Getting help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.7 Simulated data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.8 Fluxes, luminosities, equivalent widths, and line IDs . . . . . . . . . . . . . . . . . . . . . 15 3.9 Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 i

 

Click To View

Additional Books


  • Common File User's Guide (by )
  • National Polar-Orbiting Operational Envi... (by )
  • Flight According to Principle (by )
  • National Aeronautics and Space Administr... (by )
  • Space Shuttle: Information Management Re... (by )
  • Landsat 7 Processing System (Lps) Users ... (by )
  • Space Telescope Science Institute Next G... (by )
  • Version 3 (by )
  • Analysis of Phase-Type Stochastic Petri ... (by )
  • Developing an Open Source Option for Nas... (by )
  • Assessing Generalization of Feed Forward... (by )
  • Mission Operations Directorate Flight Di... (by )
Scroll Left
Scroll Right

 



Copyright © World Library Foundation. All rights reserved. eBooks from World eBook Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.