Next:
Contents
Contents
The
Detect
Reference Manual
CIAO
Software Release v3.4
December 2006
http://cxc.harvard.edu/ciao/
Contents
List of Figures
List of Tables
1
. A Tour of
CIAO
Detect
1
.
1
Introduction
1
.
2
Getting Started with
CIAO
1
.
3
Running the
Detect
Tools
1
.
4
Displaying a Region File in ds9
1
.
5
Online Help and Other Resources
2
. Description of Sample Datasets
2
.
1
Dataset A. Simulated
Chandra
Data
2
.
2
Dataset B. 3C 295 on ACIS-S : a radio galaxy in a cluster of galaxies
2
.
3
Dataset C. 3C 273 on HRC-I : a quasar with a bright jet
2
.
4
Dataset D. The
Chandra
Deep Field South on ACIS-I
3
. Comparison of
Detect
Methods
3
.
1
Factors Affecting Performance and Runtime
3
.
2
Sample Runtimes
3
.
3
Comparative Results for the Chandra Deep Field South
4
. Running
celldetect
4
.
1
Key
celldetect
Parameters
4
.
2
Examples Using Dataset A (Simulated ACIS Data)
4
.
3
Examples Using Dataset B (3C 295 on ACIS-S)
4
.
4
Examples Using Dataset C (3C 273 on HRC-I)
5
. False Detection Rates in
celldetect
5
.
1
Introduction
5
.
2
Description of Simulations
5
.
3
celldetect
Settings
5
.
4
Results
5
.
5
Summary
5
.
6
Appendix
5
.
7
References
6
.
celldetect
Theory
6
.
1
Algorithm Overview
6
.
2
Algorithm Details
6
.
3
Cell Size
6
.
4
Background Frame
6
.
5
Output Options
6
.
6
References
7
.
celldetect
Parameters & Data Products Reference
7
.
1
Default Parameter File
7
.
2
Parameter Descriptions
7
.
3
Data Product Descriptions
8
. Running
vtpdetect
8
.
1
Key
vtpdetect
Parameters
8
.
2
Examples Using Dataset A (Simulated ACIS Data)
8
.
3
Examples Using Dataset B (3C 295 on ACIS-S)
8
.
4
Examples Using Dataset C (3C 273 on HRC-I)
9
.
vtpdetect
Theory
9
.
1
Abstract
9
.
2
Introduction
9
.
3
Description of the Algorithm by Data Simulation
9
.
4
Application to
Rosat
X-ray Data
9
.
5
Conclusions
9
.
6
Acknowledgments
9
.
7
References
10
.
vtpdetect
Parameters & Data Products Reference
10
.
1
Default Parameter File
10
.
2
Parameter Descriptions
10
.
3
Data Product Descriptions
11
. Running
wavdetect
11
.
1
Key
wavdetect
Parameters
11
.
2
Examples Using Dataset A (Simulated ACIS Data)
11
.
3
Examples Using Dataset B (3C 295 on ACIS-S)
11
.
4
Examples Using Dataset C (3C 273 on HRC-I)
12
. Advanced
wavdetect
: Using
wtransform
&
wrecon
12
.
1
General Discussion
12
.
2
Running
wtransform
12
.
3
Running
wrecon
13
.
wavdetect
Theory
13
.
1
Source Detection Using Wavelet Functions
13
.
2
Basic Algorithm
13
.
3
Source Pixel Identifications
13
.
4
Constructing the Source List
13
.
5
The Mexican Hat (MH) Function
13
.
6
Solutions to Integrals Involving the MH Function
13
.
7
Computation of Threshold Correlation Values
13
.
8
Normalized Background Map
13
.
9
References
14
.
wavdetect
Parameters & Data Products Reference
14
.
1
Default Parameter File
14
.
2
Parameter Descriptions
14
.
3
Data Product Descriptions
cxchelp@head-cfa.harvard.edu
