This is gnuastro.info, produced by makeinfo version 7.1 from
gnuastro.texi.

This book documents version 0.23 of the GNU Astronomy Utilities
(Gnuastro).  Gnuastro provides various programs and libraries for
astronomical data manipulation and analysis.

   Copyright © 2015-2024 Free Software Foundation, Inc.

     Permission is granted to copy, distribute and/or modify this
     document under the terms of the GNU Free Documentation License,
     Version 1.3 or any later version published by the Free Software
     Foundation; with no Invariant Sections, no Front-Cover Texts, and
     no Back-Cover Texts.  A copy of the license is included in the
     section entitled "GNU Free Documentation License".
INFO-DIR-SECTION Astronomy
START-INFO-DIR-ENTRY
* Gnuastro: (gnuastro).       GNU Astronomy Utilities.
* libgnuastro: (gnuastro)Gnuastro library. Full Gnuastro library doc.

* help-gnuastro: (gnuastro)help-gnuastro mailing list. Getting help.

* bug-gnuastro: (gnuastro)Report a bug. How to report bugs

* Arithmetic: (gnuastro)Arithmetic. Arithmetic operations on pixels.
* astarithmetic: (gnuastro)Invoking astarithmetic. Options to Arithmetic.

* BuildProgram: (gnuastro)BuildProgram. Compile and run programs using Gnuastro's library.
* astbuildprog: (gnuastro)Invoking astbuildprog. Options to BuildProgram.

* ConvertType: (gnuastro)ConvertType. Convert different file types.
* astconvertt: (gnuastro)Invoking astconvertt. Options to ConvertType.

* Convolve: (gnuastro)Convolve. Convolve an input file with kernel.
* astconvolve: (gnuastro)Invoking astconvolve. Options to Convolve.

* CosmicCalculator: (gnuastro)CosmicCalculator. For cosmological params.
* astcosmiccal: (gnuastro)Invoking astcosmiccal. Options to CosmicCalculator.

* Crop: (gnuastro)Crop. Crop region(s) from image(s).
* astcrop: (gnuastro)Invoking astcrop. Options to Crop.

* Fits: (gnuastro)Fits. View and manipulate FITS extensions and keywords.
* astfits: (gnuastro)Invoking astfits. Options to Fits.

* MakeCatalog: (gnuastro)MakeCatalog. Make a catalog from labeled image.
* astmkcatalog: (gnuastro)Invoking astmkcatalog. Options to MakeCatalog.

* MakeProfiles: (gnuastro)MakeProfiles. Make mock profiles.
* astmkprof: (gnuastro)Invoking astmkprof. Options to MakeProfiles.

* Match: (gnuastro)Match. Match two separate catalogs.
* astmatch: (gnuastro)Invoking astmatch. Options to Match.

* NoiseChisel: (gnuastro)NoiseChisel. Detect signal in noise.
* astnoisechisel: (gnuastro)Invoking astnoisechisel. Options to NoiseChisel.

* Segment: (gnuastro)Segment. Segment detections based on signal structure.
* astsegment: (gnuastro)Invoking astsegment. Options to Segment.

* Query: (gnuastro)Query. Access remote databases for downloading data.
* astquery: (gnuastro)Invoking astquery. Options to Query.

* Statistics: (gnuastro)Statistics. Get image Statistics.
* aststatistics: (gnuastro)Invoking aststatistics. Options to Statistics.

* Table: (gnuastro)Table. Read and write FITS binary or ASCII tables.
* asttable: (gnuastro)Invoking asttable. Options to Table.

* Warp: (gnuastro)Warp. Warp a dataset to a new grid.
* astwarp: (gnuastro)Invoking astwarp. Options to Warp.

* astscript: (gnuastro)Installed scripts. Gnuastro's installed scripts.
* astscript-ds9-region: (gnuastro)Invoking astscript-ds9-region. Options to this script
* astscript-fits-view: (gnuastro)Invoking astscript-fits-view. Options to this script
* astscript-pointing-simulate: (gnuastro)Invoking astscript-pointing-simulate. Options to this script
* astscript-psf-scale-factor: (gnuastro)Invoking astscript-psf-scale-factor. Options to this script
* astscript-psf-select-stars: (gnuastro)Invoking astscript-psf-select-stars. Options to this script
* astscript-psf-stamp: (gnuastro)Invoking astscript-psf-stamp. Options to this script
* astscript-psf-subtract: (gnuastro)Invoking astscript-psf-subtract. Options to this script
* astscript-psf-unite: (gnuastro)Invoking astscript-psf-unite. Options to this script
* astscript-radial-profile: (gnuastro)Invoking astscript-radial-profile. Options to this script
* astscript-sort-by-night: (gnuastro)Invoking astscript-sort-by-night. Options to this script
* astscript-zeropoint: (gnuastro)Invoking astscript-zeropoint. Options to this script
END-INFO-DIR-ENTRY


Indirect:
gnuastro.info-1: 4282
gnuastro.info-2: 304939
gnuastro.info-3: 604355
gnuastro.info-4: 905827
gnuastro.info-5: 1234188
gnuastro.info-6: 1510709
gnuastro.info-7: 1822278
gnuastro.info-8: 2110605
gnuastro.info-9: 2408124
gnuastro.info-10: 2715522
gnuastro.info-11: 3005411

Tag Table:
(Indirect)
Node: Top4282
Node: Introduction40409
Node: Quick start43219
Ref: Quick start-Footnote-146272
Node: Gnuastro programs list46468
Node: Science and its tools56619
Ref: Science and its tools-Footnote-169217
Ref: Science and its tools-Footnote-269271
Ref: Science and its tools-Footnote-369724
Ref: Science and its tools-Footnote-469869
Ref: Science and its tools-Footnote-570002
Ref: Science and its tools-Footnote-670511
Node: Your rights70614
Ref: Your rights-Footnote-172776
Ref: Your rights-Footnote-272885
Ref: Your rights-Footnote-372950
Node: Logo of Gnuastro73015
Node: Naming convention74652
Node: Version numbering75792
Ref: Version numbering-Footnote-178871
Node: GNU Astronomy Utilities 1.079173
Node: New to GNU/Linux?80099
Ref: New to GNU/Linux?-Footnote-183959
Ref: New to GNU/Linux?-Footnote-284049
Node: Command-line interface84115
Ref: Command-line interface-Footnote-189913
Ref: Command-line interface-Footnote-289945
Ref: Command-line interface-Footnote-390048
Node: Report a bug90284
Ref: Report a bug-Footnote-197104
Ref: Report a bug-Footnote-297167
Node: Suggest new feature97229
Node: Announcements100090
Node: Conventions101046
Node: Acknowledgments103396
Node: Tutorials109454
Ref: Tutorials-Footnote-1115898
Ref: Tutorials-Footnote-2116008
Node: General program usage tutorial116826
Ref: General program usage tutorial-Footnote-1121239
Ref: General program usage tutorial-Footnote-2121316
Ref: General program usage tutorial-Footnote-3121360
Node: Calling Gnuastro's programs121404
Node: Accessing documentation122321
Ref: Accessing documentation-Footnote-1127023
Node: Setup and data download127104
Ref: Setup and data download-Footnote-1129035
Node: Dataset inspection and cropping129172
Ref: Dataset inspection and cropping-Footnote-1135829
Ref: Dataset inspection and cropping-Footnote-2136110
Ref: Dataset inspection and cropping-Footnote-3136171
Ref: Dataset inspection and cropping-Footnote-4136619
Node: Angular coverage on the sky136671
Ref: Angular coverage on the sky-Footnote-1144329
Node: Cosmological coverage and visualizing tables145277
Node: Building custom programs with the library151447
Ref: Building custom programs with the library-Footnote-1157035
Node: Option management and configuration files157433
Node: Warping to a new pixel grid166284
Node: NoiseChisel and Multi-Extension FITS files169792
Ref: NoiseChisel and Multi-Extension FITS files-Footnote-1177876
Node: NoiseChisel optimization for detection177955
Ref: NoiseChisel optimization for detection-Footnote-1193989
Node: NoiseChisel optimization for storage194807
Node: Segmentation and making a catalog198559
Ref: Segmentation and making a catalog-Footnote-1207346
Ref: Segmentation and making a catalog-Footnote-2207670
Node: Measuring the dataset limits207813
Ref: Measuring the dataset limits-Footnote-1221602
Ref: Measuring the dataset limits-Footnote-2221732
Ref: Measuring the dataset limits-Footnote-3221787
Node: Working with catalogs estimating colors221874
Ref: Working with catalogs estimating colors-Footnote-1237830
Node: Column statistics color-magnitude diagram238099
Node: Aperture photometry245461
Ref: Aperture photometry-Footnote-1249220
Node: Matching catalogs249276
Node: Reddest clumps cutouts and parallelization253066
Node: FITS images in a publication258480
Ref: FITS images in a publication-Footnote-1269201
Node: Marking objects for publication269264
Node: Writing scripts to automate the steps281760
Ref: Writing scripts to automate the steps-Footnote-1300229
Node: Citing and acknowledging Gnuastro304939
Node: Detecting large extended targets306024
Ref: Detecting large extended targets-Footnote-1308324
Node: Downloading and validating input data308374
Ref: Downloading and validating input data-Footnote-1313203
Ref: Downloading and validating input data-Footnote-2313441
Node: NoiseChisel optimization313791
Ref: NoiseChisel optimization-Footnote-1333450
Ref: NoiseChisel optimization-Footnote-2333538
Ref: NoiseChisel optimization-Footnote-3333647
Ref: NoiseChisel optimization-Footnote-4333783
Node: Skewness caused by signal and its measurement333938
Node: Image surface brightness limit345144
Ref: Image surface brightness limit-Footnote-1359682
Ref: Image surface brightness limit-Footnote-2359929
Ref: Image surface brightness limit-Footnote-3359992
Node: Achieved surface brightness level360178
Ref: Achieved surface brightness level-Footnote-1367472
Ref: Achieved surface brightness level-Footnote-2368312
Node: Extract clumps and objects368452
Ref: Extract clumps and objects-Footnote-1377226
Ref: Extract clumps and objects-Footnote-2377339
Node: Building the extended PSF377683
Node: Preparing input for extended PSF378818
Ref: Preparing input for extended PSF-Footnote-1380920
Node: Saturated pixels and Segment's clumps381069
Ref: Saturated pixels and Segment's clumps-Footnote-1392835
Node: One object for the whole detection393085
Node: Building outer part of PSF401127
Node: Inner part of the PSF411186
Node: Uniting the different PSF components414222
Node: Subtracting the PSF426595
Ref: Subtracting the PSF-Footnote-1440288
Node: Sufi simulates a detection440538
Ref: Sufi simulates a detection-Footnote-1472525
Ref: Sufi simulates a detection-Footnote-2472779
Ref: Sufi simulates a detection-Footnote-3473154
Node: Detecting lines and extracting spectra in 3D data473214
Ref: Detecting lines and extracting spectra in 3D data-Footnote-1476317
Ref: Detecting lines and extracting spectra in 3D data-Footnote-2476379
Ref: Detecting lines and extracting spectra in 3D data-Footnote-3476453
Ref: Detecting lines and extracting spectra in 3D data-Footnote-4476527
Ref: Detecting lines and extracting spectra in 3D data-Footnote-5476586
Node: Viewing spectra and redshifted lines477230
Node: Sky lines in optical IFUs487763
Node: Continuum subtraction489725
Ref: Continuum subtraction-Footnote-1495305
Node: 3D detection with NoiseChisel495459
Ref: 3D detection with NoiseChisel-Footnote-1501769
Node: 3D measurements and spectra501922
Node: Extracting a single spectrum and plotting it514751
Node: Pseudo narrow-band images517818
Ref: Pseudo narrow-band images-Footnote-1525410
Node: Color images with full dynamic range526049
Node: Color channels in same pixel grid529110
Node: Color image using linear transformation533859
Node: Color for bright regions and grayscale for faint542322
Node: Manually setting color-black-gray regions559131
Node: Weights contrast markers and other customizations563756
Node: Zero point of an image574096
Node: Zero point tutorial with reference image576030
Ref: Zero point tutorial with reference image-Footnote-1599918
Node: Zero point tutorial with reference catalog604355
Node: Pointing pattern design608361
Node: Preparing input and generating exposure map611777
Ref: Preparing input and generating exposure map-Footnote-1621240
Ref: Preparing input and generating exposure map-Footnote-2621383
Ref: Preparing input and generating exposure map-Footnote-3621500
Node: Area of non-blank pixels on sky621743
Node: Script with pointing simulation steps so far625566
Node: Larger steps sizes for better calibration629843
Node: Pointings that account for sky curvature638273
Ref: Pointings that account for sky curvature-Footnote-1647237
Node: Accounting for non-exposed pixels647333
Ref: Accounting for non-exposed pixels-Footnote-1653840
Ref: Accounting for non-exposed pixels-Footnote-2654160
Node: Moire pattern in stacking and its correction654388
Ref: Moire pattern in stacking and its correction-Footnote-1668069
Node: Clipping outliers668163
Node: Building inputs and analysis without clipping670528
Node: Sigma clipping680013
Node: MAD clipping696719
Node: Contiguous outliers704756
Node: Installation709646
Ref: Installation-Footnote-1712221
Node: Dependencies712308
Node: Mandatory dependencies713943
Node: GNU Scientific Library714683
Node: CFITSIO715532
Ref: CFITSIO-Footnote-1719987
Node: WCSLIB720149
Ref: WCSLIB-Footnote-1722418
Ref: WCSLIB-Footnote-2722552
Ref: WCSLIB-Footnote-3722638
Ref: WCSLIB-Footnote-4722669
Node: Optional dependencies722715
Ref: Optional dependencies-Footnote-1731228
Node: Bootstrapping dependencies731508
Ref: Bootstrapping dependencies-Footnote-1740403
Ref: Bootstrapping dependencies-Footnote-2740676
Ref: Bootstrapping dependencies-Footnote-3741135
Ref: Bootstrapping dependencies-Footnote-4741441
Ref: Bootstrapping dependencies-Footnote-5741592
Node: Dependencies from package managers741794
Ref: Dependencies from package managers-Footnote-1754248
Ref: Dependencies from package managers-Footnote-2754330
Ref: Dependencies from package managers-Footnote-3754377
Node: Downloading the source754414
Node: Release tarball755396
Node: Version controlled source758619
Ref: Version controlled source-Footnote-1761687
Node: Bootstrapping761960
Ref: Bootstrapping-Footnote-1767785
Node: Synchronizing767905
Ref: Synchronizing-Footnote-1772271
Ref: Synchronizing-Footnote-2772467
Node: Build and install772656
Node: Configuring774450
Node: Gnuastro configure options776140
Node: Installation directory783590
Ref: Installation directory-Footnote-1798072
Ref: Installation directory-Footnote-2798170
Ref: Installation directory-Footnote-3798301
Ref: Installation directory-Footnote-4798380
Ref: Installation directory-Footnote-5798562
Node: Executable names799215
Node: Configure and build in RAM803089
Node: Separate build and source directories805646
Node: Tests814097
Node: A4 print book815761
Node: Known issues817180
Ref: Known issues-Footnote-1824223
Ref: Known issues-Footnote-2824262
Ref: Known issues-Footnote-3824451
Ref: Known issues-Footnote-4824506
Node: Common program behavior824567
Ref: Common program behavior-Footnote-1828170
Node: Command-line828434
Node: Arguments and options829471
Node: Arguments833146
Node: Options835901
Node: Common options842783
Node: Input output options843686
Ref: Input output options-Footnote-1852212
Ref: Input output options-Footnote-2852349
Node: Processing options852422
Node: Operating mode options860077
Ref: Operating mode options-Footnote-1875848
Node: Shell TAB completion875910
Ref: Shell TAB completion-Footnote-1880073
Ref: Shell TAB completion-Footnote-2880154
Ref: Shell TAB completion-Footnote-3880201
Ref: Shell TAB completion-Footnote-4880292
Ref: Shell TAB completion-Footnote-5880399
Node: Standard input880569
Node: Shell tips884665
Node: Separate shell variables for multiple outputs885178
Ref: Separate shell variables for multiple outputs-Footnote-1889713
Ref: Separate shell variables for multiple outputs-Footnote-2889967
Node: Truncating start of long string FITS keyword values890362
Ref: Truncating start of long string FITS keyword values-Footnote-1891972
Node: Configuration files892331
Ref: Configuration files-Footnote-1894302
Ref: Configuration files-Footnote-2894371
Node: Configuration file format894591
Node: Configuration file precedence896998
Ref: Configuration file precedence-Footnote-1901376
Node: Current directory and User wide905827
Node: System wide907100
Node: Getting help908640
Node: --usage911142
Node: --help912487
Node: Man pages916346
Node: Info917177
Node: help-gnuastro mailing list919585
Node: Multi-threaded operations920654
Node: A note on threads922092
Node: How to run simultaneous operations924653
Ref: How to run simultaneous operations-Footnote-1929006
Ref: How to run simultaneous operations-Footnote-2929404
Ref: How to run simultaneous operations-Footnote-3929449
Ref: How to run simultaneous operations-Footnote-4929501
Node: Numeric data types930029
Node: Memory management936907
Ref: Memory management-Footnote-1947697
Node: Tables947817
Node: Recognized table formats951125
Node: Gnuastro text table format956503
Node: Selecting table columns966617
Node: Tessellation970483
Node: Automatic output976232
Ref: Automatic output-Footnote-1978819
Node: Output FITS files979032
Node: Numeric locale986143
Node: Data containers989083
Node: Fits991990
Ref: Fits-Footnote-1997305
Node: Invoking astfits997372
Node: HDU information and manipulation1002842
Node: Keyword inspection and manipulation1014158
Ref: Keyword inspection and manipulation-Footnote-11044254
Ref: Keyword inspection and manipulation-Footnote-21045103
Node: Pixel information images1045176
Ref: Pixel information images-Footnote-11048554
Node: ConvertType1048628
Ref: ConvertType-Footnote-11050781
Node: Raster and Vector graphics1050850
Node: Recognized file formats1053075
Ref: Recognized file formats-Footnote-11062701
Node: Color1062748
Node: Pixel colors1063694
Node: Colormaps for single-channel pixels1065766
Node: Vector graphics colors1069566
Ref: colornames1070621
Node: Annotations for figure in paper1070806
Ref: Annotations for figure in paper-Footnote-11086465
Ref: Annotations for figure in paper-Footnote-21086547
Ref: Annotations for figure in paper-Footnote-31086617
Ref: Annotations for figure in paper-Footnote-41086756
Ref: Annotations for figure in paper-Footnote-51086836
Ref: Annotations for figure in paper-Footnote-61086884
Ref: Annotations for figure in paper-Footnote-71086954
Node: Full script of annotations on figure1087036
Node: Invoking astconvertt1091578
Node: ConvertType input and output1093547
Node: Pixel visualization1100551
Ref: Pixel visualization-Footnote-11108349
Node: Drawing with vector graphics1108401
Node: Table1126512
Ref: Table-Footnote-11129938
Node: Printing floating point numbers1130324
Ref: Printing floating point numbers-Footnote-11136228
Node: Vector columns1136308
Ref: Vector columns-Footnote-11146762
Node: Column arithmetic1146838
Ref: Column arithmetic-Footnote-11169267
Node: Operation precedence in Table1169461
Node: Invoking asttable1184406
Node: Query1234188
Ref: Query-Footnote-11237024
Ref: Query-Footnote-21237065
Node: Available databases1237107
Node: Invoking astquery1247890
Node: Data manipulation1263440
Node: Crop1264172
Node: Crop modes1266317
Node: Crop section syntax1273853
Node: Blank pixels1276983
Node: Invoking astcrop1278662
Node: Crop options1282915
Ref: Crop options-Footnote-11298420
Ref: Crop options-Footnote-21298494
Node: Crop output1298542
Node: Crop known issues1308491
Node: Arithmetic1310264
Node: Reverse polish notation1311641
Ref: Reverse polish notation-Footnote-11318795
Ref: Reverse polish notation-Footnote-21318851
Node: Integer benefits and pitfalls1318965
Node: Noise basics1324619
Node: Photon counting noise1325885
Ref: Photon counting noise-Footnote-11332999
Ref: Photon counting noise-Footnote-21333117
Ref: Photon counting noise-Footnote-31333313
Node: Instrumental noise1333740
Node: Final noised pixel value1335211
Node: Generating random numbers1335732
Ref: Generating random numbers-Footnote-11340928
Ref: Generating random numbers-Footnote-21341028
Ref: Generating random numbers-Footnote-31341099
Node: Arithmetic operators1341433
Node: Basic mathematical operators1346674
Node: Trigonometric and hyperbolic operators1353572
Node: Constants1356297
Node: Coordinate conversion operators1358109
Node: Unit conversion operators1364813
Ref: Unit conversion operators-Footnote-11375687
Node: Statistical operators1375985
Ref: Statistical operators-Footnote-11383817
Node: Stacking operators1383990
Node: Filtering operators1393189
Node: Pooling operators1399371
Node: Interpolation operators1408735
Node: Dimensionality changing operators1412756
Ref: Dimensionality changing operators-Footnote-11429664
Ref: Dimensionality changing operators-Footnote-21429733
Node: Conditional operators1429906
Node: Mathematical morphology operators1438693
Node: Bitwise operators1446136
Node: Numerical type conversion operators1452483
Node: Random number generators1455495
Ref: Random number generators-Footnote-11482760
Node: Coordinate and border operators1483011
Node: Loading external columns1492677
Node: Size and position operators1494248
Node: New operands1510709
Node: Operand storage in memory or a file1514452
Ref: Operand storage in memory or a file-Footnote-11520830
Node: Invoking astarithmetic1521121
Node: Convolve1537046
Ref: Convolve-Footnote-11539688
Ref: Convolve-Footnote-21539900
Node: Spatial domain convolution1540184
Ref: Spatial domain convolution-Footnote-11541404
Node: Convolution process1541461
Node: Edges in the spatial domain1544293
Ref: Edges in the spatial domain-Footnote-11547510
Ref: Edges in the spatial domain-Footnote-21547606
Node: Frequency domain and Fourier operations1547688
Node: Fourier series historical background1550449
Ref: epicycle1552018
Ref: Fourier series historical background-Footnote-11555197
Ref: Fourier series historical background-Footnote-21555294
Node: Circles and the complex plane1555650
Ref: iandtime1560104
Ref: Circles and the complex plane-Footnote-11560351
Node: Fourier series1560715
Ref: Fourier series-Footnote-11564831
Node: Fourier transform1564928
Ref: Fourier transform-Footnote-11567999
Node: Dirac delta and comb1568241
Node: Convolution theorem1571635
Ref: Convolution theorem-Footnote-11575716
Node: Sampling theorem1575777
Ref: samplingfreq1578547
Ref: Sampling theorem-Footnote-11582659
Node: Discrete Fourier transform1582804
Ref: Discrete Fourier transform-Footnote-11586114
Ref: Discrete Fourier transform-Footnote-21586220
Node: Fourier operations in two dimensions1586353
Ref: Fourier operations in two dimensions-Footnote-11589129
Node: Edges in the frequency domain1589294
Node: Spatial vs. Frequency domain1592980
Node: Convolution kernel1594537
Node: Invoking astconvolve1597278
Node: Warp1607054
Ref: Warp-Footnote-11610410
Ref: Warp-Footnote-21610552
Node: Linear warping basics1610714
Ref: Linear warping basics-Footnote-11616661
Ref: Linear warping basics-Footnote-21616757
Ref: Linear warping basics-Footnote-31616820
Ref: Linear warping basics-Footnote-41616881
Ref: Linear warping basics-Footnote-51616931
Node: Merging multiple warpings1617185
Node: Resampling1618681
Ref: Resampling-Footnote-11624574
Ref: Resampling-Footnote-21624659
Ref: Resampling-Footnote-31624752
Ref: Resampling-Footnote-41624818
Ref: Resampling-Footnote-51625015
Node: Invoking astwarp1625063
Node: Align pixels with WCS considering distortions1630537
Ref: Align pixels with WCS considering distortions-Footnote-11646029
Ref: Align pixels with WCS considering distortions-Footnote-21646105
Node: Linear warps to be called explicitly1646205
Node: Data analysis1655079
Node: Statistics1655955
Node: Histogram and Cumulative Frequency Plot1657617
Ref: Histogram and Cumulative Frequency Plot-Footnote-11661792
Node: 2D Histograms1661950
Node: 2D histogram as a table for plotting1664728
Ref: 2D histogram as a table for plotting-Footnote-11669739
Node: 2D histogram as an image1669837
Node: Least squares fitting1675954
Ref: Least squares fitting-Footnote-11690412
Node: Sky value1690882
Node: Sky value definition1693032
Ref: Sky value definition-Footnote-11696467
Ref: Sky value definition-Footnote-21696787
Node: Sky value misconceptions1696891
Ref: Sky value misconceptions-Footnote-11699390
Node: Quantifying signal in a tile1699661
Ref: Quantifying signal in a tile-Footnote-11710189
Node: Invoking aststatistics1710284
Ref: Invoking aststatistics-Footnote-11717023
Node: Input to Statistics1717229
Node: Single value measurements1719594
Ref: Single value measurements-Footnote-11732582
Ref: Single value measurements-Footnote-21732677
Node: Generating histograms and cumulative frequency plots1732840
Ref: Generating histograms and cumulative frequency plots-Footnote-11744992
Node: Fitting options1745062
Node: Contour options1755295
Node: Statistics on tiles1756498
Node: NoiseChisel1763640
Node: NoiseChisel changes after publication1771716
Ref: NoiseChisel changes after publication-Footnote-11774433
Node: Invoking astnoisechisel1774535
Ref: Invoking astnoisechisel-Footnote-11782421
Node: NoiseChisel input1782674
Node: Detection options1790611
Node: NoiseChisel output1822278
Node: Segment1830914
Ref: Segment-Footnote-11835798
Ref: Segment-Footnote-21835867
Node: Invoking astsegment1836003
Node: Segment input1838878
Node: Segmentation options1850014
Node: Segment output1859180
Node: MakeCatalog1866097
Ref: MakeCatalog-Footnote-11870911
Ref: MakeCatalog-Footnote-21871113
Ref: MakeCatalog-Footnote-31871211
Node: Detection and catalog production1871360
Ref: Detection and catalog production-Footnote-11875207
Node: Brightness flux magnitude1875264
Ref: Brightness flux magnitude-Footnote-11887382
Ref: Brightness flux magnitude-Footnote-21887446
Ref: Brightness flux magnitude-Footnote-31887731
Ref: Brightness flux magnitude-Footnote-41887903
Ref: Brightness flux magnitude-Footnote-51888199
Ref: Brightness flux magnitude-Footnote-61888252
Node: Quantifying measurement limits1888339
Node: Standard deviation vs error1890694
Node: Magnitude measurement error of each detection1900446
Node: Surface brightness error of each detection1901918
Node: Completeness limit of each detection1903262
Node: Upper limit magnitude of each detection1905146
Ref: Upper limit magnitude of each detection-Footnote-11909609
Node: Magnitude limit of image1909784
Node: Surface brightness limit of image1911657
Ref: Surface brightness limit of image-Footnote-11918060
Ref: Surface brightness limit of image-Footnote-21918235
Ref: Surface brightness limit of image-Footnote-31918428
Ref: Surface brightness limit of image-Footnote-41918653
Node: Upper limit surface brightness of image1919007
Node: Measuring elliptical parameters1922787
Node: Adding new columns to MakeCatalog1931241
Node: MakeCatalog measurements1936516
Node: Identifier columns1939045
Node: Position measurements in pixels1940413
Node: Position measurements in WCS1944713
Node: Brightness measurements1949053
Node: Surface brightness measurements1960294
Node: Morphology measurements nonparametric1966259
Node: Morphology measurements elliptical1976300
Node: Measurements per slice spectra1978279
Node: Invoking astmkcatalog1982463
Node: MakeCatalog inputs and basic settings1984987
Node: Upper-limit settings1997481
Ref: Upper-limit settings-Footnote-12006576
Ref: Upper-limit settings-Footnote-22006659
Node: MakeCatalog output2006844
Ref: MakeCatalog output-Footnote-12014033
Node: Match2014294
Node: Matching algorithms2015169
Node: Invoking astmatch2024980
Node: Data modeling2045605
Node: MakeProfiles2046145
Node: Modeling basics2048702
Node: Defining an ellipse and ellipsoid2049495
Ref: Defining an ellipse and ellipsoid-Footnote-12054386
Ref: Defining an ellipse and ellipsoid-Footnote-22054593
Node: PSF2054653
Ref: PSF-Footnote-12059327
Node: Stars2059501
Node: Galaxies2060154
Ref: Galaxies-Footnote-12061466
Node: Sampling from a function2061664
Node: Oversampling2066447
Node: If convolving afterwards2067809
Node: Profile magnitude2069070
Node: Invoking astmkprof2070848
Ref: Invoking astmkprof-Footnote-12076755
Node: MakeProfiles catalog2077008
Ref: MakeProfiles catalog-Footnote-12086798
Node: MakeProfiles profile settings2087185
Ref: MakeProfiles profile settings-Footnote-12106173
Node: MakeProfiles output dataset2110605
Ref: MakeProfiles output dataset-Footnote-12123648
Ref: MakeProfiles output dataset-Footnote-22124225
Node: MakeProfiles log file2124697
Node: High-level calculations2126049
Node: CosmicCalculator2126844
Node: Distance on a 2D curved space2128272
Ref: flatplane2131040
Ref: sphereandplane2133266
Ref: Distance on a 2D curved space-Footnote-12139969
Ref: Distance on a 2D curved space-Footnote-22140251
Ref: Distance on a 2D curved space-Footnote-32140695
Ref: Distance on a 2D curved space-Footnote-42140866
Node: Extending distance concepts to 3D2140954
Node: Invoking astcosmiccal2142474
Node: CosmicCalculator input options2145353
Node: CosmicCalculator basic cosmology calculations2147896
Node: CosmicCalculator spectral line calculations2155023
Node: Installed scripts2159721
Ref: Installed scripts-Footnote-12163486
Node: Sort FITS files by night2164133
Node: Invoking astscript-sort-by-night2169289
Node: Generate radial profile2175852
Node: Invoking astscript-radial-profile2176814
Node: SAO DS9 region files from table2198403
Ref: SAO DS9 region files from table-Footnote-12199398
Node: Invoking astscript-ds9-region2199426
Node: Viewing FITS file contents with DS9 or TOPCAT2206457
Node: Invoking astscript-fits-view2210662
Node: Zero point estimation2218653
Ref: Zero point estimation-Footnote-12221393
Ref: Zero point estimation-Footnote-22221548
Ref: Zero point estimation-Footnote-32221637
Node: Invoking astscript-zeropoint2221714
Node: zero point output2225535
Node: zero point options2227425
Ref: zero point options-Footnote-12234032
Node: Pointing pattern simulation2234134
Node: Invoking astscript-pointing-simulate2238561
Node: Color images with gray faint regions2249311
Node: Invoking astscript-color-faint-gray2251491
Node: PSF construction and subtraction2265494
Ref: PSF construction and subtraction-Footnote-12267857
Node: Overview of the PSF scripts2268024
Node: Invoking astscript-psf-select-stars2273818
Node: Invoking astscript-psf-stamp2282379
Node: Invoking astscript-psf-unite2293651
Node: Invoking astscript-psf-scale-factor2298650
Node: Invoking astscript-psf-subtract2306305
Node: Makefile extensions2311222
Node: Loading the Gnuastro Make functions2312856
Node: Makefile functions of Gnuastro2314375
Node: Text functions for Makefiles2316290
Node: Astronomy functions for Makefiles2330927
Node: Library2336019
Node: Review of library fundamentals2338266
Node: Headers2340384
Ref: Headers-Footnote-12350513
Ref: Headers-Footnote-22350571
Ref: Headers-Footnote-32350762
Ref: Headers-Footnote-42350877
Ref: Headers-Footnote-52350983
Node: Linking2351064
Ref: Linking-Footnote-12362666
Ref: Linking-Footnote-22362857
Ref: Linking-Footnote-32363137
Ref: Linking-Footnote-42363311
Ref: Linking-Footnote-52363567
Node: Summary and example on libraries2363661
Node: BuildProgram2367565
Node: Invoking astbuildprog2369095
Node: Gnuastro library2379251
Ref: Gnuastro library-Footnote-12384302
Node: Configuration information2384439
Ref: Configuration information-Footnote-12389483
Node: Multithreaded programming2389538
Ref: Multithreaded programming-Footnote-12392582
Ref: Multithreaded programming-Footnote-22392740
Node: Implementation of pthread_barrier2392802
Node: Gnuastro's thread related functions2395665
Node: Library data types2408124
Node: Pointers2423981
Node: Library blank values2430449
Node: Library data container2443827
Node: Generic data container2445022
Ref: Generic data container-Footnote-12458150
Ref: Generic data container-Footnote-22458209
Ref: Generic data container-Footnote-32458287
Node: Dataset allocation2458356
Node: Arrays of datasets2462825
Node: Copying datasets2465504
Node: Dimensions2469274
Node: Linked lists2492616
Ref: Linked lists-Footnote-12497678
Node: List of strings2498077
Node: List of int32_t2502511
Node: List of size_t2506247
Ref: List of size_t-Footnote-12510717
Node: List of float2510819
Node: List of double2514506
Node: List of void2518693
Node: Ordered list of size_t2521500
Node: Doubly linked ordered list of size_t2524479
Node: List of gal_data_t2527906
Node: Array input output2532841
Node: Table input output2538535
Node: FITS files2554078
Node: FITS macros errors filenames2555992
Node: CFITSIO and Gnuastro types2558828
Node: FITS HDUs2561335
Node: FITS header keywords2566056
Ref: FITS header keywords-Footnote-12588835
Node: FITS arrays2589049
Node: FITS tables2597122
Node: File input output2602841
Node: Text files2603854
Node: TIFF files2615100
Node: JPEG files2617825
Node: EPS files2620609
Node: PDF files2627039
Node: World Coordinate System2630271
Ref: World Coordinate System-Footnote-12660343
Ref: World Coordinate System-Footnote-22660420
Ref: World Coordinate System-Footnote-32660493
Ref: World Coordinate System-Footnote-42660569
Node: Arithmetic on datasets2660743
Node: Tessellation library2692122
Node: Independent tiles2696273
Node: Tile grid2715522
Node: Bounding box2727408
Node: Polygons2733049
Node: Qsort functions2745607
Node: K-d tree2751552
Ref: K-d tree-Footnote-12763127
Node: Permutations2763526
Ref: Permutations-Footnote-12766785
Node: Matching2767077
Node: Statistical operations2774850
Node: Fitting functions2805165
Ref: Fitting functions-Footnote-12815796
Ref: Fitting functions-Footnote-22815890
Ref: Fitting functions-Footnote-32815987
Ref: Fitting functions-Footnote-42816069
Node: Binary datasets2816156
Node: Labeled datasets2829949
Ref: Labeled datasets-Footnote-12845786
Ref: Labeled datasets-Footnote-22846124
Node: Convolution functions2846291
Ref: Convolution functions-Footnote-12850126
Node: Pooling functions2850179
Node: Interpolation2852186
Ref: Interpolation-Footnote-12864718
Node: Warp library2864780
Node: Color functions2876404
Node: Git wrappers2878494
Node: Python interface2880326
Node: Unit conversion library2883421
Node: Spectral lines library2890464
Ref: Spectral lines library-Footnote-12901789
Node: Cosmology library2901859
Node: SAO DS9 library2905265
Ref: SAO DS9 library-Footnote-12907813
Node: Library demo programs2907876
Node: Library demo - reading a image2908995
Node: Library demo - inspecting neighbors2913021
Node: Library demo - multi-threaded operation2916504
Node: Library demo - reading and writing table columns2923912
Node: Library demo - Warp to another image2931756
Node: Library demo - Warp to new grid2938370
Node: Developing2945559
Node: Why C2947968
Ref: Why C-Footnote-12954982
Ref: Why C-Footnote-22955012
Ref: Why C-Footnote-32955080
Ref: Why C-Footnote-42955114
Ref: Why C-Footnote-52955147
Ref: Why C-Footnote-62955212
Ref: Why C-Footnote-72955411
Ref: Why C-Footnote-82955517
Ref: Why C-Footnote-92955591
Ref: Why C-Footnote-102955717
Ref: Why C-Footnote-112955764
Ref: Why C-Footnote-122955995
Ref: Why C-Footnote-132956111
Node: Program design philosophy2956157
Ref: Program design philosophy-Footnote-12959221
Ref: Program design philosophy-Footnote-22959483
Ref: Program design philosophy-Footnote-32959591
Node: Coding conventions2959639
Ref: Coding conventions-Footnote-12972077
Ref: Coding conventions-Footnote-22972149
Ref: Coding conventions-Footnote-32972455
Ref: Coding conventions-Footnote-42972610
Node: Program source2972878
Node: Mandatory source code files2973985
Node: The TEMPLATE program2983090
Node: Documentation2988296
Node: Building and debugging2993245
Node: Test scripts2996260
Ref: Test scripts-Footnote-12998862
Ref: Test scripts-Footnote-22999029
Node: Bash programmable completion2999213
Node: Bash TAB completion tutorial3005411
Ref: Bash TAB completion tutorial-Footnote-13016984
Ref: Bash TAB completion tutorial-Footnote-23017084
Ref: Bash TAB completion tutorial-Footnote-33017166
Node: Implementing TAB completion in Gnuastro3017248
Node: Developer's checklist3020801
Node: Gnuastro project webpage3022738
Ref: Gnuastro project webpage-Footnote-13026945
Ref: Gnuastro project webpage-Footnote-23026999
Ref: Gnuastro project webpage-Footnote-33027035
Node: Developing mailing lists3027158
Node: Contributing to Gnuastro3029412
Node: Copyright assignment3031412
Node: Commit guidelines3035500
Ref: Commit guidelines-Footnote-13041763
Node: Production workflow3041826
Ref: Production workflow-Footnote-13044722
Ref: Production workflow-Footnote-23044801
Ref: Production workflow-Footnote-33044884
Node: Forking tutorial3044966
Ref: Forking tutorial-Footnote-13053116
Ref: Forking tutorial-Footnote-23053397
Node: Other useful software3053507
Node: SAO DS93054034
Node: TOPCAT3057779
Node: PGPLOT3060635
Ref: PGPLOT-Footnote-13064227
Node: GNU Free Doc License3064279
Node: GNU General Public License3089434
Node: Index3127020

End Tag Table


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