COBE FIRAS Products

Chi-Squared

Download Links:
firas_chi_get.html

The Chi-Squared files are used in the FIRAS temperature scale calibration. They contain pixel weights, degrees of freedom and chi-squared values. For a full discussion, see the FIRAS Explanatory Supplement (especially subsections 5.5 [link needed] and 7.7 ). 6 FITS files are available, corresponding to the FIRAS modes HRES, HIGH, LOWF and HIF(3 files). FITS headers are listed in the FIRAS Explanatory Supplement Appendix G.


A service of the HEASARC and of the Astrophysics Science Division at NASA/GSFC
Goddard Space Flight Center, National Aeronautics and Space Administration
HEASARC Director: Dr. Alan P. Smale
LAMBDA Director: Dr. Thomas M. Essinger-Hileman
NASA Official: Dr. Thomas M. Essinger-Hileman
Web Curator: Mr. Michael R. Greason