This is gnuastro.info, produced by makeinfo version 7.0.3 from
gnuastro.texi.

This book documents version 0.20 of the GNU Astronomy Utilities
(Gnuastro).  Gnuastro provides various programs and libraries for
astronomical data manipulation and analysis.

   Copyright © 2015-2023 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.

* MakeNoise: (gnuastro)MakeNoise. Make (add) noise to an image.
* astmknoise: (gnuastro)Invoking astmknoise. Options to MakeNoise.

* 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-sort-by-night: (gnuastro)Invoking astscript-sort-by-night. Options to this script
* astscript-radial-profile: (gnuastro)Invoking astscript-radial-profile. Options to this script
* 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-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-unite: (gnuastro)Invoking astscript-psf-unite. Options to this script
* astscript-psf-scale-factor: (gnuastro)Invoking astscript-psf-scale-factor. Options to this script
* astscript-psf-subtract: (gnuastro)Invoking astscript-psf-subtract. Options to this script
END-INFO-DIR-ENTRY


Indirect:
gnuastro.info-1: 4236
gnuastro.info-2: 309111
gnuastro.info-3: 614931
gnuastro.info-4: 904395
gnuastro.info-5: 1206661
gnuastro.info-6: 1505224
gnuastro.info-7: 1807764
gnuastro.info-8: 2108009
gnuastro.info-9: 2414095
gnuastro.info-10: 2706565

Tag Table:
(Indirect)
Node: Top4236
Node: Introduction38106
Node: Quick start40922
Ref: Quick start-Footnote-143987
Node: Gnuastro programs list44183
Node: Science and its tools52946
Ref: Science and its tools-Footnote-165651
Ref: Science and its tools-Footnote-265705
Ref: Science and its tools-Footnote-366182
Ref: Science and its tools-Footnote-466327
Ref: Science and its tools-Footnote-566460
Ref: Science and its tools-Footnote-666973
Node: Your rights67076
Ref: Your rights-Footnote-169254
Ref: Your rights-Footnote-269363
Ref: Your rights-Footnote-369428
Node: Logo of Gnuastro69493
Node: Naming convention71146
Node: Version numbering72290
Ref: Version numbering-Footnote-175383
Node: GNU Astronomy Utilities 1.075687
Ref: GNU Astronomy Utilities 1.0-Footnote-177617
Node: New to GNU/Linux?77649
Ref: New to GNU/Linux?-Footnote-181548
Ref: New to GNU/Linux?-Footnote-281638
Node: Command-line interface81704
Ref: Command-line interface-Footnote-187512
Ref: Command-line interface-Footnote-287544
Ref: Command-line interface-Footnote-387647
Node: Report a bug87883
Ref: Report a bug-Footnote-194800
Ref: Report a bug-Footnote-294863
Node: Suggest new feature94925
Node: Announcements97818
Node: Conventions98774
Node: Acknowledgments101126
Node: Tutorials107012
Ref: Tutorials-Footnote-1112026
Ref: Tutorials-Footnote-2112136
Node: General program usage tutorial112954
Ref: General program usage tutorial-Footnote-1117393
Ref: General program usage tutorial-Footnote-2117470
Ref: General program usage tutorial-Footnote-3117514
Node: Calling Gnuastro's programs117558
Node: Accessing documentation118479
Ref: Accessing documentation-Footnote-1123195
Node: Setup and data download123276
Ref: Setup and data download-Footnote-1125212
Node: Dataset inspection and cropping125349
Ref: Dataset inspection and cropping-Footnote-1132036
Ref: Dataset inspection and cropping-Footnote-2132329
Ref: Dataset inspection and cropping-Footnote-3132390
Ref: Dataset inspection and cropping-Footnote-4132838
Node: Angular coverage on the sky132890
Ref: Angular coverage on the sky-Footnote-1140274
Node: Cosmological coverage and visualizing tables141222
Node: Building custom programs with the library147319
Ref: Building custom programs with the library-Footnote-1152933
Node: Option management and configuration files153331
Node: Warping to a new pixel grid162200
Node: NoiseChisel and Multi-Extension FITS files165718
Ref: NoiseChisel and Multi-Extension FITS files-Footnote-1173860
Node: NoiseChisel optimization for detection173939
Ref: NoiseChisel optimization for detection-Footnote-1190051
Node: NoiseChisel optimization for storage190913
Node: Segmentation and making a catalog194693
Ref: Segmentation and making a catalog-Footnote-1203514
Ref: Segmentation and making a catalog-Footnote-2203850
Node: Measuring the dataset limits203993
Ref: Measuring the dataset limits-Footnote-1217827
Ref: Measuring the dataset limits-Footnote-2217957
Ref: Measuring the dataset limits-Footnote-3218012
Node: Working with catalogs estimating colors218099
Ref: Working with catalogs estimating colors-Footnote-1233235
Node: Column statistics color-magnitude diagram233504
Node: Aperture photometry240884
Ref: Aperture photometry-Footnote-1244659
Node: Matching catalogs244715
Node: Reddest clumps cutouts and parallelization248519
Node: FITS images in a publication253963
Ref: FITS images in a publication-Footnote-1264381
Node: Marking objects for publication264444
Node: Writing scripts to automate the steps277000
Ref: Writing scripts to automate the steps-Footnote-1295561
Node: Citing and acknowledging Gnuastro295989
Node: Detecting large extended targets297074
Ref: Detecting large extended targets-Footnote-1299380
Node: Downloading and validating input data299430
Ref: Downloading and validating input data-Footnote-1304287
Ref: Downloading and validating input data-Footnote-2304525
Node: NoiseChisel optimization309111
Ref: NoiseChisel optimization-Footnote-1328872
Ref: NoiseChisel optimization-Footnote-2328960
Ref: NoiseChisel optimization-Footnote-3329069
Ref: NoiseChisel optimization-Footnote-4329205
Node: Skewness caused by signal and its measurement329360
Node: Image surface brightness limit340612
Ref: Image surface brightness limit-Footnote-1354358
Ref: Image surface brightness limit-Footnote-2354607
Ref: Image surface brightness limit-Footnote-3354670
Node: Achieved surface brightness level354856
Ref: Achieved surface brightness level-Footnote-1362180
Ref: Achieved surface brightness level-Footnote-2363020
Node: Extract clumps and objects363160
Ref: Extract clumps and objects-Footnote-1371949
Ref: Extract clumps and objects-Footnote-2372062
Node: Building the extended PSF372408
Node: Preparing input for extended PSF373546
Ref: Preparing input for extended PSF-Footnote-1375652
Node: Saturated pixels and Segment's clumps375805
Ref: Saturated pixels and Segment's clumps-Footnote-1387621
Node: One object for the whole detection387871
Node: Building outer part of PSF395941
Node: Inner part of the PSF406020
Node: Uniting the different PSF components409064
Node: Subtracting the PSF421501
Ref: Subtracting the PSF-Footnote-1435222
Node: Sufi simulates a detection435472
Ref: Sufi simulates a detection-Footnote-1467364
Ref: Sufi simulates a detection-Footnote-2467626
Ref: Sufi simulates a detection-Footnote-3468001
Node: Detecting lines and extracting spectra in 3D data468061
Ref: Detecting lines and extracting spectra in 3D data-Footnote-1471142
Ref: Detecting lines and extracting spectra in 3D data-Footnote-2471204
Ref: Detecting lines and extracting spectra in 3D data-Footnote-3471278
Ref: Detecting lines and extracting spectra in 3D data-Footnote-4471352
Ref: Detecting lines and extracting spectra in 3D data-Footnote-5471411
Node: Viewing spectra and redshifted lines472055
Node: Sky lines in optical IFUs482701
Node: Continuum subtraction484673
Ref: Continuum subtraction-Footnote-1490295
Node: 3D detection with NoiseChisel490449
Ref: 3D detection with NoiseChisel-Footnote-1496773
Node: 3D measurements and spectra496926
Node: Extracting a single spectrum and plotting it509793
Node: Pseudo narrow-band images512910
Ref: Pseudo narrow-band images-Footnote-1520554
Node: Installation521193
Ref: Installation-Footnote-1523770
Node: Dependencies523857
Node: Mandatory dependencies525496
Node: GNU Scientific Library526236
Node: CFITSIO527085
Ref: CFITSIO-Footnote-1531543
Node: WCSLIB531705
Ref: WCSLIB-Footnote-1533975
Ref: WCSLIB-Footnote-2534109
Ref: WCSLIB-Footnote-3534195
Ref: WCSLIB-Footnote-4534226
Node: Optional dependencies534272
Ref: Optional dependencies-Footnote-1542838
Node: Bootstrapping dependencies543118
Ref: Bootstrapping dependencies-Footnote-1552035
Ref: Bootstrapping dependencies-Footnote-2552308
Ref: Bootstrapping dependencies-Footnote-3552769
Ref: Bootstrapping dependencies-Footnote-4553075
Ref: Bootstrapping dependencies-Footnote-5553226
Node: Dependencies from package managers553432
Ref: Dependencies from package managers-Footnote-1565606
Ref: Dependencies from package managers-Footnote-2565688
Ref: Dependencies from package managers-Footnote-3565735
Node: Downloading the source565772
Node: Release tarball566756
Node: Version controlled source569989
Ref: Version controlled source-Footnote-1573067
Node: Bootstrapping573340
Ref: Bootstrapping-Footnote-1579165
Node: Synchronizing579285
Ref: Synchronizing-Footnote-1583662
Ref: Synchronizing-Footnote-2583858
Node: Build and install584047
Node: Configuring585841
Node: Gnuastro configure options587531
Node: Installation directory594989
Ref: Installation directory-Footnote-1609545
Ref: Installation directory-Footnote-2609643
Ref: Installation directory-Footnote-3609774
Ref: Installation directory-Footnote-4609857
Ref: Installation directory-Footnote-5610039
Node: Executable names614931
Node: Configure and build in RAM618813
Node: Separate build and source directories621380
Node: Tests629843
Node: A4 print book631509
Node: Known issues632928
Ref: Known issues-Footnote-1639985
Ref: Known issues-Footnote-2640024
Ref: Known issues-Footnote-3640213
Ref: Known issues-Footnote-4640268
Node: Common program behavior640329
Ref: Common program behavior-Footnote-1643938
Node: Command-line644202
Node: Arguments and options645241
Node: Arguments648944
Node: Options651715
Node: Common options658611
Node: Input output options659514
Ref: Input output options-Footnote-1667389
Ref: Input output options-Footnote-2667526
Node: Processing options667599
Node: Operating mode options675268
Ref: Operating mode options-Footnote-1688975
Node: Shell TAB completion689037
Ref: Shell TAB completion-Footnote-1693211
Ref: Shell TAB completion-Footnote-2693292
Ref: Shell TAB completion-Footnote-3693339
Ref: Shell TAB completion-Footnote-4693430
Ref: Shell TAB completion-Footnote-5693537
Node: Standard input693707
Node: Shell tips697827
Node: Separate shell variables for multiple outputs698249
Ref: Separate shell variables for multiple outputs-Footnote-1702740
Ref: Separate shell variables for multiple outputs-Footnote-2702994
Node: Configuration files703391
Ref: Configuration files-Footnote-1705362
Ref: Configuration files-Footnote-2705431
Node: Configuration file format705652
Node: Configuration file precedence708059
Ref: Configuration file precedence-Footnote-1712409
Node: Current directory and User wide712578
Node: System wide713843
Node: Getting help715359
Node: --usage717879
Node: --help719226
Node: Man pages723095
Node: Info723926
Node: help-gnuastro mailing list726340
Node: Multi-threaded operations727409
Node: A note on threads728855
Node: How to run simultaneous operations731418
Ref: How to run simultaneous operations-Footnote-1735789
Ref: How to run simultaneous operations-Footnote-2736189
Ref: How to run simultaneous operations-Footnote-3736234
Ref: How to run simultaneous operations-Footnote-4736286
Node: Numeric data types736817
Node: Memory management743710
Ref: Memory management-Footnote-1754541
Node: Tables754661
Node: Recognized table formats757978
Node: Gnuastro text table format763362
Node: Selecting table columns773550
Node: Tessellation777426
Node: Automatic output783185
Ref: Automatic output-Footnote-1785776
Node: Output FITS files785989
Node: Numeric locale792242
Node: Data containers795209
Node: Fits798116
Ref: Fits-Footnote-1803445
Node: Invoking astfits803512
Node: HDU information and manipulation808982
Node: Keyword inspection and manipulation819932
Ref: Keyword inspection and manipulation-Footnote-1848014
Ref: Keyword inspection and manipulation-Footnote-2848871
Node: Pixel information images848944
Ref: Pixel information images-Footnote-1852342
Node: ConvertType852416
Ref: ConvertType-Footnote-1854639
Node: Raster and Vector graphics854708
Node: Recognized file formats856939
Ref: Recognized file formats-Footnote-1866724
Node: Color866771
Node: Pixel colors867725
Node: Colormaps for single-channel pixels869807
Node: Vector graphics colors873629
Ref: colornames874684
Node: Color channels in same pixel grid874870
Node: Annotations for figure in paper879315
Ref: Annotations for figure in paper-Footnote-1895038
Ref: Annotations for figure in paper-Footnote-2895120
Ref: Annotations for figure in paper-Footnote-3895190
Ref: Annotations for figure in paper-Footnote-4895329
Ref: Annotations for figure in paper-Footnote-5895415
Ref: Annotations for figure in paper-Footnote-6895463
Ref: Annotations for figure in paper-Footnote-7895533
Node: Full script of annotations on figure895615
Node: Invoking astconvertt904395
Node: ConvertType input and output906364
Node: Pixel visualization913215
Ref: Pixel visualization-Footnote-1921021
Node: Drawing with vector graphics921073
Node: Table939240
Ref: Table-Footnote-1942668
Node: Printing floating point numbers943062
Ref: Printing floating point numbers-Footnote-1948988
Node: Vector columns949068
Ref: Vector columns-Footnote-1959554
Node: Column arithmetic959630
Ref: Column arithmetic-Footnote-1976588
Node: Operation precedence in Table976782
Node: Invoking asttable990602
Node: Query1034979
Ref: Query-Footnote-11037821
Ref: Query-Footnote-21037862
Node: Available databases1037904
Node: Invoking astquery1048697
Node: Data manipulation1064265
Node: Crop1064997
Node: Crop modes1067144
Node: Crop section syntax1074684
Node: Blank pixels1077818
Node: Invoking astcrop1079497
Node: Crop options1083752
Ref: Crop options-Footnote-11099315
Ref: Crop options-Footnote-21099389
Node: Crop output1099437
Node: Crop known issues1108843
Node: Arithmetic1110616
Node: Reverse polish notation1111930
Ref: Reverse polish notation-Footnote-11119122
Ref: Reverse polish notation-Footnote-21119178
Node: Integer benefits and pitfalls1119292
Node: Arithmetic operators1124956
Node: Basic mathematical operators1130100
Node: Trigonometric and hyperbolic operators1137042
Node: Constants1139769
Node: Unit conversion operators1141583
Ref: Unit conversion operators-Footnote-11150590
Node: Statistical operators1150888
Node: Stacking operators1155810
Node: Filtering operators1164294
Node: Interpolation operators1169629
Node: Dimensionality changing operators1173650
Node: Conditional operators1186127
Node: Mathematical morphology operators1194950
Node: Bitwise operators1206661
Node: Numerical type conversion operators1213020
Node: Random number generators1216034
Ref: Random number generators-Footnote-11235357
Node: Box shape operators1235610
Node: Loading external columns1243033
Node: Size and position operators1244594
Node: Building new dataset and stack management1256826
Node: Operand storage in memory or a file1261559
Ref: Operand storage in memory or a file-Footnote-11266798
Node: Invoking astarithmetic1267089
Node: Convolve1281552
Ref: Convolve-Footnote-11284202
Ref: Convolve-Footnote-21284414
Node: Spatial domain convolution1284698
Ref: Spatial domain convolution-Footnote-11285942
Node: Convolution process1286003
Node: Edges in the spatial domain1288842
Ref: Edges in the spatial domain-Footnote-11292067
Ref: Edges in the spatial domain-Footnote-21292163
Node: Frequency domain and Fourier operations1292245
Node: Fourier series historical background1295010
Ref: epicycle1296589
Ref: Fourier series historical background-Footnote-11299793
Ref: Fourier series historical background-Footnote-21299894
Node: Circles and the complex plane1300252
Ref: iandtime1304756
Ref: Circles and the complex plane-Footnote-11305004
Node: Fourier series1305374
Ref: Fourier series-Footnote-11309516
Node: Fourier transform1309613
Ref: Fourier transform-Footnote-11312688
Node: Dirac delta and comb1312934
Node: Convolution theorem1316338
Ref: Convolution theorem-Footnote-11320438
Node: Sampling theorem1320499
Ref: samplingfreq1323275
Ref: Sampling theorem-Footnote-11327398
Node: Discrete Fourier transform1327543
Ref: Discrete Fourier transform-Footnote-11330863
Ref: Discrete Fourier transform-Footnote-21330977
Node: Fourier operations in two dimensions1331110
Ref: Fourier operations in two dimensions-Footnote-11333894
Node: Edges in the frequency domain1334059
Node: Spatial vs. Frequency domain1337751
Node: Convolution kernel1339308
Node: Invoking astconvolve1342051
Node: Warp1350656
Ref: Warp-Footnote-11354110
Ref: Warp-Footnote-21354254
Node: Linear warping basics1354416
Ref: Linear warping basics-Footnote-11360373
Ref: Linear warping basics-Footnote-21360469
Ref: Linear warping basics-Footnote-31360532
Ref: Linear warping basics-Footnote-41360593
Ref: Linear warping basics-Footnote-51360643
Node: Merging multiple warpings1360899
Node: Resampling1362395
Ref: Resampling-Footnote-11368352
Ref: Resampling-Footnote-21368437
Ref: Resampling-Footnote-31368530
Ref: Resampling-Footnote-41368596
Ref: Resampling-Footnote-51368781
Node: Moire pattern and its correction1368829
Ref: Moire pattern and its correction-Footnote-11382282
Node: Invoking astwarp1382376
Node: Align pixels with WCS considering distortions1387864
Ref: Align pixels with WCS considering distortions-Footnote-11403387
Ref: Align pixels with WCS considering distortions-Footnote-21403463
Node: Linear warps to be called explicitly1403563
Node: Data analysis1412441
Node: Statistics1413317
Node: Histogram and Cumulative Frequency Plot1415044
Ref: Histogram and Cumulative Frequency Plot-Footnote-11419221
Node: 2D Histograms1419379
Node: 2D histogram as a table for plotting1422154
Ref: 2D histogram as a table for plotting-Footnote-11427171
Node: 2D histogram as an image1427269
Node: Sigma clipping1433398
Node: Least squares fitting1437779
Ref: Least squares fitting-Footnote-11451185
Node: Sky value1451675
Node: Sky value definition1453835
Ref: Sky value definition-Footnote-11457284
Ref: Sky value definition-Footnote-21457604
Node: Sky value misconceptions1457708
Ref: Sky value misconceptions-Footnote-11460211
Node: Quantifying signal in a tile1460482
Ref: Quantifying signal in a tile-Footnote-11471048
Node: Invoking aststatistics1471143
Ref: Invoking aststatistics-Footnote-11477888
Node: Input to Statistics1478094
Node: Single value measurements1480461
Node: Generating histograms and cumulative frequency plots1489156
Ref: Generating histograms and cumulative frequency plots-Footnote-11500918
Node: Fitting options1505224
Node: Contour options1514948
Node: Statistics on tiles1516151
Node: NoiseChisel1522763
Node: NoiseChisel changes after publication1530876
Ref: NoiseChisel changes after publication-Footnote-11533599
Node: Invoking astnoisechisel1533701
Ref: Invoking astnoisechisel-Footnote-11542294
Node: NoiseChisel input1542547
Node: Detection options1550500
Node: NoiseChisel output1577919
Node: Segment1586589
Ref: Segment-Footnote-11591499
Ref: Segment-Footnote-21591568
Node: Invoking astsegment1591704
Node: Segment input1594591
Node: Segmentation options1605757
Node: Segment output1614970
Node: MakeCatalog1621871
Ref: MakeCatalog-Footnote-11626701
Ref: MakeCatalog-Footnote-21626905
Ref: MakeCatalog-Footnote-31627003
Node: Detection and catalog production1627152
Ref: Detection and catalog production-Footnote-11631005
Node: Brightness flux magnitude1631062
Ref: Brightness flux magnitude-Footnote-11643208
Ref: Brightness flux magnitude-Footnote-21643272
Ref: Brightness flux magnitude-Footnote-31643561
Ref: Brightness flux magnitude-Footnote-41643737
Ref: Brightness flux magnitude-Footnote-51644033
Ref: Brightness flux magnitude-Footnote-61644086
Node: Quantifying measurement limits1644173
Node: Magnitude measurement error of each detection1646450
Node: Surface brightness error of each detection1647929
Node: Completeness limit of each detection1649275
Node: Upper limit magnitude of each detection1651167
Ref: Upper limit magnitude of each detection-Footnote-11655638
Node: Magnitude limit of image1655813
Node: Surface brightness limit of image1657694
Ref: Surface brightness limit of image-Footnote-11663938
Ref: Surface brightness limit of image-Footnote-21664113
Ref: Surface brightness limit of image-Footnote-31664306
Ref: Surface brightness limit of image-Footnote-41664531
Node: Upper limit magnitude of image1664885
Node: Measuring elliptical parameters1665549
Node: Adding new columns to MakeCatalog1674025
Node: MakeCatalog measurements1679309
Node: Identifier columns1681862
Node: Position measurements in pixels1683230
Node: Position measurements in WCS1687538
Node: Brightness measurements1691886
Node: Surface brightness measurements1702914
Node: Morphology measurements nonparametric1708887
Node: Morphology measurements elliptical1718950
Node: Measurements per slice spectra1720935
Node: Invoking astmkcatalog1725127
Node: MakeCatalog inputs and basic settings1727653
Node: Upper-limit settings1741253
Ref: Upper-limit settings-Footnote-11750380
Ref: Upper-limit settings-Footnote-21750463
Node: MakeCatalog output1750650
Ref: MakeCatalog output-Footnote-11757870
Node: Match1758133
Node: Matching algorithms1759014
Node: Invoking astmatch1768877
Node: Data modeling1789512
Node: MakeProfiles1790114
Node: Modeling basics1792689
Node: Defining an ellipse and ellipsoid1793482
Ref: Defining an ellipse and ellipsoid-Footnote-11798375
Ref: Defining an ellipse and ellipsoid-Footnote-21798582
Node: PSF1798642
Ref: PSF-Footnote-11803348
Node: Stars1807764
Node: Galaxies1808417
Ref: Galaxies-Footnote-11809733
Node: Sampling from a function1809936
Node: Oversampling1814721
Node: If convolving afterwards1816087
Node: Profile magnitude1817348
Node: Invoking astmkprof1819128
Ref: Invoking astmkprof-Footnote-11824982
Node: MakeProfiles catalog1825235
Ref: MakeProfiles catalog-Footnote-11835123
Node: MakeProfiles profile settings1835510
Ref: MakeProfiles profile settings-Footnote-11852086
Node: MakeProfiles output dataset1852236
Ref: MakeProfiles output dataset-Footnote-11865305
Ref: MakeProfiles output dataset-Footnote-21865882
Node: MakeProfiles log file1866354
Node: MakeNoise1867706
Node: Noise basics1868385
Node: Photon counting noise1869580
Ref: Photon counting noise-Footnote-11876738
Ref: Photon counting noise-Footnote-21876856
Ref: Photon counting noise-Footnote-31877054
Node: Instrumental noise1877483
Node: Final noised pixel value1878954
Node: Generating random numbers1879475
Ref: Generating random numbers-Footnote-11884512
Ref: Generating random numbers-Footnote-21884614
Ref: Generating random numbers-Footnote-31884685
Node: Invoking astmknoise1885019
Node: High-level calculations1889118
Node: CosmicCalculator1889913
Node: Distance on a 2D curved space1891341
Ref: flatplane1894117
Ref: sphereandplane1896346
Ref: Distance on a 2D curved space-Footnote-11903066
Ref: Distance on a 2D curved space-Footnote-21903348
Ref: Distance on a 2D curved space-Footnote-31903812
Ref: Distance on a 2D curved space-Footnote-41903976
Node: Extending distance concepts to 3D1904064
Node: Invoking astcosmiccal1905586
Node: CosmicCalculator input options1908465
Node: CosmicCalculator basic cosmology calculations1911010
Node: CosmicCalculator spectral line calculations1917281
Node: Installed scripts1921983
Ref: Installed scripts-Footnote-11925579
Node: Sort FITS files by night1926230
Node: Invoking astscript-sort-by-night1931396
Node: Generate radial profile1937973
Node: Invoking astscript-radial-profile1938937
Node: SAO DS9 region files from table1958640
Ref: SAO DS9 region files from table-Footnote-11959635
Node: Invoking astscript-ds9-region1959663
Node: Viewing FITS file contents with DS9 or TOPCAT1966710
Node: Invoking astscript-fits-view1970941
Node: Zero point estimation1976928
Ref: Zero point estimation-Footnote-11979851
Ref: Zero point estimation-Footnote-21980006
Ref: Zero point estimation-Footnote-31980095
Node: Zero point tutorial with reference image1980172
Ref: Zero point tutorial with reference image-Footnote-12005270
Node: Zero point tutorial with reference catalog2005425
Node: Invoking astscript-zeropoint2009481
Node: zero point output2013147
Node: zero point options2015041
Ref: zero point options-Footnote-12021027
Node: PSF construction and subtraction2021129
Ref: PSF construction and subtraction-Footnote-12023480
Node: Overview of the PSF scripts2023647
Node: Invoking astscript-psf-select-stars2029453
Node: Invoking astscript-psf-stamp2038026
Node: Invoking astscript-psf-unite2049023
Node: Invoking astscript-psf-scale-factor2054022
Node: Invoking astscript-psf-subtract2060579
Node: Makefile extensions2065496
Node: Loading the Gnuastro Make functions2066999
Node: Makefile functions of Gnuastro2068526
Node: Library2076027
Node: Review of library fundamentals2078274
Node: Headers2080402
Ref: Headers-Footnote-12090566
Ref: Headers-Footnote-22090624
Ref: Headers-Footnote-32090821
Ref: Headers-Footnote-42090938
Ref: Headers-Footnote-52091044
Node: Linking2091125
Ref: Linking-Footnote-12102776
Ref: Linking-Footnote-22102967
Ref: Linking-Footnote-32103249
Ref: Linking-Footnote-42103423
Ref: Linking-Footnote-52103679
Node: Summary and example on libraries2108009
Node: BuildProgram2111929
Node: Invoking astbuildprog2113467
Node: Gnuastro library2123661
Ref: Gnuastro library-Footnote-12128643
Node: Configuration information2128782
Ref: Configuration information-Footnote-12133844
Node: Multithreaded programming2133899
Ref: Multithreaded programming-Footnote-12136955
Ref: Multithreaded programming-Footnote-22137113
Node: Implementation of pthread_barrier2137175
Node: Gnuastro's thread related functions2140052
Node: Library data types2148237
Node: Pointers2164114
Node: Library blank values2169882
Node: Library data container2182176
Node: Generic data container2183374
Ref: Generic data container-Footnote-12196539
Ref: Generic data container-Footnote-22196598
Ref: Generic data container-Footnote-32196676
Node: Dataset allocation2196745
Node: Arrays of datasets2201220
Node: Copying datasets2203903
Node: Dimensions2207687
Node: Linked lists2222802
Ref: Linked lists-Footnote-12227894
Node: List of strings2228293
Node: List of int32_t2232477
Node: List of size_t2236218
Ref: List of size_t-Footnote-12240695
Node: List of float2240797
Node: List of double2244481
Node: List of void2248667
Node: Ordered list of size_t2251480
Node: Doubly linked ordered list of size_t2254465
Node: List of gal_data_t2257900
Node: Array input output2262765
Node: Table input output2267398
Node: FITS files2282779
Node: FITS macros errors filenames2284697
Node: CFITSIO and Gnuastro types2287544
Node: FITS HDUs2290063
Node: FITS header keywords2293819
Ref: FITS header keywords-Footnote-12316229
Node: FITS arrays2316443
Node: FITS tables2322665
Node: File input output2327862
Node: Text files2328879
Node: TIFF files2339735
Node: JPEG files2342044
Node: EPS files2344832
Node: PDF files2351278
Node: World Coordinate System2354514
Ref: World Coordinate System-Footnote-12379835
Ref: World Coordinate System-Footnote-22379912
Ref: World Coordinate System-Footnote-32379985
Ref: World Coordinate System-Footnote-42380061
Node: Arithmetic on datasets2380235
Node: Tessellation library2414095
Node: Independent tiles2418256
Node: Tile grid2433237
Node: Bounding box2445141
Node: Polygons2450784
Node: Qsort functions2461345
Node: K-d tree2467300
Ref: K-d tree-Footnote-12478887
Node: Permutations2479286
Ref: Permutations-Footnote-12482555
Node: Matching2482853
Node: Statistical operations2490640
Node: Fitting functions2516958
Ref: Fitting functions-Footnote-12527626
Ref: Fitting functions-Footnote-22527720
Ref: Fitting functions-Footnote-32527817
Ref: Fitting functions-Footnote-42527899
Node: Binary datasets2527986
Node: Labeled datasets2541803
Ref: Labeled datasets-Footnote-12557671
Ref: Labeled datasets-Footnote-22558009
Node: Convolution functions2558176
Ref: Convolution functions-Footnote-12561566
Node: Interpolation2561619
Ref: Interpolation-Footnote-12574172
Node: Warp library2574234
Node: Color functions2585876
Node: Git wrappers2587968
Node: Python interface2589806
Node: Unit conversion library2592915
Node: Spectral lines library2599518
Ref: Spectral lines library-Footnote-12610841
Node: Cosmology library2610911
Node: SAO DS9 library2614317
Ref: SAO DS9 library-Footnote-12616877
Node: Library demo programs2616940
Node: Library demo - reading a image2618061
Node: Library demo - inspecting neighbors2622091
Node: Library demo - multi-threaded operation2625521
Node: Library demo - reading and writing table columns2632931
Node: Library demo - Warp to another image2640780
Node: Library demo - Warp to new grid2647360
Node: Developing2654531
Node: Why C2656950
Ref: Why C-Footnote-12663979
Ref: Why C-Footnote-22664009
Ref: Why C-Footnote-32664077
Ref: Why C-Footnote-42664111
Ref: Why C-Footnote-52664144
Ref: Why C-Footnote-62664209
Ref: Why C-Footnote-72664408
Ref: Why C-Footnote-82664514
Ref: Why C-Footnote-92664588
Ref: Why C-Footnote-102664715
Ref: Why C-Footnote-112664762
Ref: Why C-Footnote-122664993
Ref: Why C-Footnote-132665109
Node: Program design philosophy2665155
Ref: Program design philosophy-Footnote-12668231
Ref: Program design philosophy-Footnote-22668493
Ref: Program design philosophy-Footnote-32668601
Node: Coding conventions2668649
Ref: Coding conventions-Footnote-12681105
Ref: Coding conventions-Footnote-22681177
Ref: Coding conventions-Footnote-32681485
Ref: Coding conventions-Footnote-42681648
Node: Program source2681918
Node: Mandatory source code files2683027
Node: The TEMPLATE program2692149
Node: Documentation2697376
Node: Building and debugging2706565
Node: Test scripts2709588
Ref: Test scripts-Footnote-12712210
Ref: Test scripts-Footnote-22712377
Node: Bash programmable completion2712565
Node: Bash TAB completion tutorial2714483
Ref: Bash TAB completion tutorial-Footnote-12726094
Ref: Bash TAB completion tutorial-Footnote-22726194
Ref: Bash TAB completion tutorial-Footnote-32726276
Node: Implementing TAB completion in Gnuastro2726358
Node: Developer's checklist2729931
Node: Gnuastro project webpage2731871
Ref: Gnuastro project webpage-Footnote-12736156
Ref: Gnuastro project webpage-Footnote-22736210
Ref: Gnuastro project webpage-Footnote-32736246
Node: Developing mailing lists2736371
Node: Contributing to Gnuastro2738635
Node: Copyright assignment2740635
Node: Commit guidelines2744739
Ref: Commit guidelines-Footnote-12751017
Node: Production workflow2751080
Ref: Production workflow-Footnote-12754003
Ref: Production workflow-Footnote-22754082
Ref: Production workflow-Footnote-32754165
Node: Forking tutorial2754247
Ref: Forking tutorial-Footnote-12762413
Ref: Forking tutorial-Footnote-22762694
Node: Other useful software2762804
Node: SAO DS92763331
Node: TOPCAT2766593
Node: PGPLOT2769451
Ref: PGPLOT-Footnote-12773046
Node: GNU Free Doc License2773098
Node: GNU General Public License2798454
Node: Index2836243

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