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| author | Aaron LI <aaronly.me@outlook.com> | 2017-02-09 20:25:02 +0800 |
|---|---|---|
| committer | Aaron LI <aaronly.me@outlook.com> | 2017-02-09 20:25:02 +0800 |
| commit | 5880e2daed06c4edda1422bcfc0d6a0589110db3 (patch) | |
| tree | 19b4b084e42778f8869563d626a01ab47d896dc2 /doc/sbp_extract.org | |
| parent | 7328fd52b749bbf89582c2bdd5d435eea1b02d62 (diff) | |
| download | chandra-acis-analysis-5880e2daed06c4edda1422bcfc0d6a0589110db3.tar.bz2 | |
Update doc/sbp_extract.org a bit
Diffstat (limited to 'doc/sbp_extract.org')
| -rw-r--r-- | doc/sbp_extract.org | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/doc/sbp_extract.org b/doc/sbp_extract.org index 5ce3330..f750b38 100644 --- a/doc/sbp_extract.org +++ b/doc/sbp_extract.org @@ -1,13 +1,15 @@ -#+TITLE: Surface Brightness Profile Extraction +#+TITLE: Surface Brightness Profile (SBP) Extraction #+AUTHOR: Weitian LI <liweitianux@live.com> #+DATE: 2016-06-05 -* TODO sbp extraction procedure +* TODO SBP extraction procedures -* NOTE: how =dmextract= calculate the area of extraction region +TODO + +* How =dmextract= calculate the area of extraction region The =dmextract= can take either *events* file or binned *image* file as the input file. However, the extracted SBP may be *different*, mainly due to the area calculation. -Above all, let's have a look at how the SBP quantities are calculated ([fn:dmextract]): +Above all, let's have a look at how the SBP quantities are calculated ([[dmextract]]): #+BEGIN_EXAMPLE MEAN_SRC_EXP = TOTAL_SRC_EXP / EXP_AREA SUR_BRI = COUNTS / AREA ~ AREA^{-1} @@ -71,4 +73,4 @@ Therefore, using the events file as the input file for SBP extraction is *not* r * References -[fn:dmextract] CIAO =dmextract= help: http://cxc.cfa.harvard.edu/ciao/ahelp/dmextract.html ++ <<dmextract>> CIAO =dmextract= help: http://cxc.cfa.harvard.edu/ciao/ahelp/dmextract.html |