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

This book documents version 0.22 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: 305508
gnuastro.info-3: 607124
gnuastro.info-4: 906434
gnuastro.info-5: 1229345
gnuastro.info-6: 1507676
gnuastro.info-7: 1810186
gnuastro.info-8: 2112550
gnuastro.info-9: 2413644
gnuastro.info-10: 2715219
gnuastro.info-11: 3010365

Tag Table:
(Indirect)
Node: Top4282
Node: Introduction40431
Node: Quick start43241
Ref: Quick start-Footnote-146294
Node: Gnuastro programs list46490
Node: Science and its tools56427
Ref: Science and its tools-Footnote-169025
Ref: Science and its tools-Footnote-269079
Ref: Science and its tools-Footnote-369532
Ref: Science and its tools-Footnote-469677
Ref: Science and its tools-Footnote-569810
Ref: Science and its tools-Footnote-670319
Node: Your rights70422
Ref: Your rights-Footnote-172584
Ref: Your rights-Footnote-272693
Ref: Your rights-Footnote-372758
Node: Logo of Gnuastro72823
Node: Naming convention74460
Node: Version numbering75600
Ref: Version numbering-Footnote-178679
Node: GNU Astronomy Utilities 1.078981
Ref: GNU Astronomy Utilities 1.0-Footnote-180908
Node: New to GNU/Linux?80940
Ref: New to GNU/Linux?-Footnote-184800
Ref: New to GNU/Linux?-Footnote-284890
Node: Command-line interface84956
Ref: Command-line interface-Footnote-190754
Ref: Command-line interface-Footnote-290786
Ref: Command-line interface-Footnote-390889
Node: Report a bug91125
Ref: Report a bug-Footnote-197945
Ref: Report a bug-Footnote-298008
Node: Suggest new feature98070
Node: Announcements100931
Node: Conventions101887
Node: Acknowledgments104237
Node: Tutorials110119
Ref: Tutorials-Footnote-1116563
Ref: Tutorials-Footnote-2116673
Node: General program usage tutorial117491
Ref: General program usage tutorial-Footnote-1121904
Ref: General program usage tutorial-Footnote-2121981
Ref: General program usage tutorial-Footnote-3122025
Node: Calling Gnuastro's programs122069
Node: Accessing documentation122986
Ref: Accessing documentation-Footnote-1127688
Node: Setup and data download127769
Ref: Setup and data download-Footnote-1129700
Node: Dataset inspection and cropping129837
Ref: Dataset inspection and cropping-Footnote-1136494
Ref: Dataset inspection and cropping-Footnote-2136775
Ref: Dataset inspection and cropping-Footnote-3136836
Ref: Dataset inspection and cropping-Footnote-4137284
Node: Angular coverage on the sky137336
Ref: Angular coverage on the sky-Footnote-1144994
Node: Cosmological coverage and visualizing tables145942
Node: Building custom programs with the library152015
Ref: Building custom programs with the library-Footnote-1157603
Node: Option management and configuration files158001
Node: Warping to a new pixel grid166852
Node: NoiseChisel and Multi-Extension FITS files170360
Ref: NoiseChisel and Multi-Extension FITS files-Footnote-1178444
Node: NoiseChisel optimization for detection178523
Ref: NoiseChisel optimization for detection-Footnote-1194557
Node: NoiseChisel optimization for storage195375
Node: Segmentation and making a catalog199127
Ref: Segmentation and making a catalog-Footnote-1207914
Ref: Segmentation and making a catalog-Footnote-2208238
Node: Measuring the dataset limits208381
Ref: Measuring the dataset limits-Footnote-1222171
Ref: Measuring the dataset limits-Footnote-2222301
Ref: Measuring the dataset limits-Footnote-3222356
Node: Working with catalogs estimating colors222443
Ref: Working with catalogs estimating colors-Footnote-1238399
Node: Column statistics color-magnitude diagram238668
Node: Aperture photometry246030
Ref: Aperture photometry-Footnote-1249789
Node: Matching catalogs249845
Node: Reddest clumps cutouts and parallelization253635
Node: FITS images in a publication259049
Ref: FITS images in a publication-Footnote-1269770
Node: Marking objects for publication269833
Node: Writing scripts to automate the steps282329
Ref: Writing scripts to automate the steps-Footnote-1300798
Node: Citing and acknowledging Gnuastro305508
Node: Detecting large extended targets306593
Ref: Detecting large extended targets-Footnote-1308893
Node: Downloading and validating input data308943
Ref: Downloading and validating input data-Footnote-1313772
Ref: Downloading and validating input data-Footnote-2314010
Node: NoiseChisel optimization314360
Ref: NoiseChisel optimization-Footnote-1334015
Ref: NoiseChisel optimization-Footnote-2334103
Ref: NoiseChisel optimization-Footnote-3334212
Ref: NoiseChisel optimization-Footnote-4334348
Node: Skewness caused by signal and its measurement334503
Node: Image surface brightness limit345709
Ref: Image surface brightness limit-Footnote-1359413
Ref: Image surface brightness limit-Footnote-2359660
Ref: Image surface brightness limit-Footnote-3359723
Node: Achieved surface brightness level359909
Ref: Achieved surface brightness level-Footnote-1367203
Ref: Achieved surface brightness level-Footnote-2368043
Node: Extract clumps and objects368183
Ref: Extract clumps and objects-Footnote-1376957
Ref: Extract clumps and objects-Footnote-2377070
Node: Building the extended PSF377414
Node: Preparing input for extended PSF378549
Ref: Preparing input for extended PSF-Footnote-1380651
Node: Saturated pixels and Segment's clumps380800
Ref: Saturated pixels and Segment's clumps-Footnote-1392566
Node: One object for the whole detection392816
Node: Building outer part of PSF400858
Node: Inner part of the PSF410917
Node: Uniting the different PSF components413953
Node: Subtracting the PSF426326
Ref: Subtracting the PSF-Footnote-1440019
Node: Sufi simulates a detection440269
Ref: Sufi simulates a detection-Footnote-1472256
Ref: Sufi simulates a detection-Footnote-2472510
Ref: Sufi simulates a detection-Footnote-3472885
Node: Detecting lines and extracting spectra in 3D data472945
Ref: Detecting lines and extracting spectra in 3D data-Footnote-1476047
Ref: Detecting lines and extracting spectra in 3D data-Footnote-2476109
Ref: Detecting lines and extracting spectra in 3D data-Footnote-3476183
Ref: Detecting lines and extracting spectra in 3D data-Footnote-4476257
Ref: Detecting lines and extracting spectra in 3D data-Footnote-5476316
Node: Viewing spectra and redshifted lines476960
Node: Sky lines in optical IFUs487492
Node: Continuum subtraction489454
Ref: Continuum subtraction-Footnote-1495034
Node: 3D detection with NoiseChisel495188
Ref: 3D detection with NoiseChisel-Footnote-1501444
Node: 3D measurements and spectra501597
Node: Extracting a single spectrum and plotting it514420
Node: Pseudo narrow-band images517487
Ref: Pseudo narrow-band images-Footnote-1525079
Node: Color images with full dynamic range525718
Node: Color channels in same pixel grid528779
Node: Color image using linear transformation533528
Node: Color for bright regions and grayscale for faint541951
Node: Manually setting color-black-gray regions557894
Node: Weights contrast markers and other customizations562519
Node: Zero point of an image572859
Node: Zero point tutorial with reference image574793
Ref: Zero point tutorial with reference image-Footnote-1598681
Node: Zero point tutorial with reference catalog598836
Node: Pointing pattern design607124
Node: Preparing input and generating exposure map610540
Ref: Preparing input and generating exposure map-Footnote-1620003
Ref: Preparing input and generating exposure map-Footnote-2620146
Ref: Preparing input and generating exposure map-Footnote-3620263
Node: Area of non-blank pixels on sky620506
Node: Script with pointing simulation steps so far624329
Node: Larger steps sizes for better calibration628606
Node: Pointings that account for sky curvature637036
Ref: Pointings that account for sky curvature-Footnote-1646000
Node: Accounting for non-exposed pixels646096
Ref: Accounting for non-exposed pixels-Footnote-1652603
Ref: Accounting for non-exposed pixels-Footnote-2652923
Node: Moire pattern in stacking and its correction653151
Ref: Moire pattern in stacking and its correction-Footnote-1666832
Node: Clipping outliers666926
Node: Building inputs and analysis without clipping669298
Node: Sigma clipping678723
Node: MAD clipping693131
Node: Filled re-clipping698617
Node: Installation705008
Ref: Installation-Footnote-1707583
Node: Dependencies707670
Node: Mandatory dependencies709305
Node: GNU Scientific Library710045
Node: CFITSIO710894
Ref: CFITSIO-Footnote-1715349
Node: WCSLIB715511
Ref: WCSLIB-Footnote-1717780
Ref: WCSLIB-Footnote-2717914
Ref: WCSLIB-Footnote-3718000
Ref: WCSLIB-Footnote-4718031
Node: Optional dependencies718077
Ref: Optional dependencies-Footnote-1726590
Node: Bootstrapping dependencies726870
Ref: Bootstrapping dependencies-Footnote-1735765
Ref: Bootstrapping dependencies-Footnote-2736038
Ref: Bootstrapping dependencies-Footnote-3736497
Ref: Bootstrapping dependencies-Footnote-4736803
Ref: Bootstrapping dependencies-Footnote-5736954
Node: Dependencies from package managers737156
Ref: Dependencies from package managers-Footnote-1749610
Ref: Dependencies from package managers-Footnote-2749692
Ref: Dependencies from package managers-Footnote-3749739
Node: Downloading the source749776
Node: Release tarball750758
Node: Version controlled source753981
Ref: Version controlled source-Footnote-1757049
Node: Bootstrapping757322
Ref: Bootstrapping-Footnote-1763147
Node: Synchronizing763267
Ref: Synchronizing-Footnote-1767633
Ref: Synchronizing-Footnote-2767829
Node: Build and install768018
Node: Configuring769812
Node: Gnuastro configure options771502
Node: Installation directory778952
Ref: Installation directory-Footnote-1793434
Ref: Installation directory-Footnote-2793532
Ref: Installation directory-Footnote-3793663
Ref: Installation directory-Footnote-4793742
Ref: Installation directory-Footnote-5793924
Node: Executable names794577
Node: Configure and build in RAM798451
Node: Separate build and source directories801008
Node: Tests809459
Node: A4 print book811123
Node: Known issues812542
Ref: Known issues-Footnote-1819585
Ref: Known issues-Footnote-2819624
Ref: Known issues-Footnote-3819813
Ref: Known issues-Footnote-4819868
Node: Common program behavior819929
Ref: Common program behavior-Footnote-1823532
Node: Command-line823796
Node: Arguments and options824833
Node: Arguments828508
Node: Options831263
Node: Common options838145
Node: Input output options839048
Ref: Input output options-Footnote-1847574
Ref: Input output options-Footnote-2847711
Node: Processing options847784
Node: Operating mode options855439
Ref: Operating mode options-Footnote-1871210
Node: Shell TAB completion871272
Ref: Shell TAB completion-Footnote-1875435
Ref: Shell TAB completion-Footnote-2875516
Ref: Shell TAB completion-Footnote-3875563
Ref: Shell TAB completion-Footnote-4875654
Ref: Shell TAB completion-Footnote-5875761
Node: Standard input875931
Node: Shell tips880027
Node: Separate shell variables for multiple outputs880540
Ref: Separate shell variables for multiple outputs-Footnote-1885075
Ref: Separate shell variables for multiple outputs-Footnote-2885329
Node: Truncating start of long string FITS keyword values885724
Ref: Truncating start of long string FITS keyword values-Footnote-1887334
Node: Configuration files887693
Ref: Configuration files-Footnote-1889664
Ref: Configuration files-Footnote-2889733
Node: Configuration file format889953
Node: Configuration file precedence892360
Ref: Configuration file precedence-Footnote-1896702
Node: Current directory and User wide896871
Node: System wide898136
Node: Getting help899650
Node: --usage906434
Node: --help907779
Node: Man pages911638
Node: Info912469
Node: help-gnuastro mailing list914877
Node: Multi-threaded operations915946
Node: A note on threads917384
Node: How to run simultaneous operations919945
Ref: How to run simultaneous operations-Footnote-1924298
Ref: How to run simultaneous operations-Footnote-2924696
Ref: How to run simultaneous operations-Footnote-3924741
Ref: How to run simultaneous operations-Footnote-4924793
Node: Numeric data types925321
Node: Memory management932198
Ref: Memory management-Footnote-1942991
Node: Tables943111
Node: Recognized table formats946419
Node: Gnuastro text table format951797
Node: Selecting table columns961911
Node: Tessellation965777
Node: Automatic output971526
Ref: Automatic output-Footnote-1974113
Node: Output FITS files974326
Node: Numeric locale981437
Node: Data containers984377
Node: Fits987284
Ref: Fits-Footnote-1992599
Node: Invoking astfits992666
Node: HDU information and manipulation998136
Node: Keyword inspection and manipulation1009451
Ref: Keyword inspection and manipulation-Footnote-11039547
Ref: Keyword inspection and manipulation-Footnote-21040396
Node: Pixel information images1040469
Ref: Pixel information images-Footnote-11043847
Node: ConvertType1043921
Ref: ConvertType-Footnote-11046074
Node: Raster and Vector graphics1046143
Node: Recognized file formats1048368
Ref: Recognized file formats-Footnote-11057994
Node: Color1058041
Node: Pixel colors1058987
Node: Colormaps for single-channel pixels1061059
Node: Vector graphics colors1064859
Ref: colornames1065914
Node: Annotations for figure in paper1066099
Ref: Annotations for figure in paper-Footnote-11081758
Ref: Annotations for figure in paper-Footnote-21081840
Ref: Annotations for figure in paper-Footnote-31081910
Ref: Annotations for figure in paper-Footnote-41082049
Ref: Annotations for figure in paper-Footnote-51082129
Ref: Annotations for figure in paper-Footnote-61082177
Ref: Annotations for figure in paper-Footnote-71082247
Node: Full script of annotations on figure1082329
Node: Invoking astconvertt1086871
Node: ConvertType input and output1088840
Node: Pixel visualization1095679
Ref: Pixel visualization-Footnote-11103477
Node: Drawing with vector graphics1103529
Node: Table1121640
Ref: Table-Footnote-11125066
Node: Printing floating point numbers1125452
Ref: Printing floating point numbers-Footnote-11131356
Node: Vector columns1131436
Ref: Vector columns-Footnote-11141890
Node: Column arithmetic1141966
Ref: Column arithmetic-Footnote-11164395
Node: Operation precedence in Table1164589
Node: Invoking asttable1179534
Node: Query1229345
Ref: Query-Footnote-11232181
Ref: Query-Footnote-21232222
Node: Available databases1232264
Node: Invoking astquery1243047
Node: Data manipulation1258597
Node: Crop1259329
Node: Crop modes1261474
Node: Crop section syntax1269010
Node: Blank pixels1272140
Node: Invoking astcrop1273819
Node: Crop options1278072
Ref: Crop options-Footnote-11293577
Ref: Crop options-Footnote-21293651
Node: Crop output1293699
Node: Crop known issues1303093
Node: Arithmetic1304866
Node: Reverse polish notation1306243
Ref: Reverse polish notation-Footnote-11313397
Ref: Reverse polish notation-Footnote-21313453
Node: Integer benefits and pitfalls1313567
Node: Noise basics1319221
Node: Photon counting noise1320487
Ref: Photon counting noise-Footnote-11327601
Ref: Photon counting noise-Footnote-21327719
Ref: Photon counting noise-Footnote-31327915
Node: Instrumental noise1328342
Node: Final noised pixel value1329813
Node: Generating random numbers1330334
Ref: Generating random numbers-Footnote-11335530
Ref: Generating random numbers-Footnote-21335630
Ref: Generating random numbers-Footnote-31335701
Node: Arithmetic operators1336035
Node: Basic mathematical operators1341291
Node: Trigonometric and hyperbolic operators1348189
Node: Constants1350914
Node: Coordinate conversion operators1352726
Node: Unit conversion operators1359430
Ref: Unit conversion operators-Footnote-11368445
Node: Statistical operators1368743
Node: Stacking operators1373659
Node: Filtering operators1387144
Node: Pooling operators1392471
Node: Interpolation operators1401835
Node: Dimensionality changing operators1405856
Ref: Dimensionality changing operators-Footnote-11422047
Node: Conditional operators1422116
Node: Mathematical morphology operators1430903
Node: Bitwise operators1438346
Node: Numerical type conversion operators1444693
Node: Random number generators1447705
Ref: Random number generators-Footnote-11474971
Node: Coordinate and border operators1475222
Node: Loading external columns1484888
Node: Size and position operators1486459
Node: Building new dataset and stack management1498667
Node: Operand storage in memory or a file1507676
Ref: Operand storage in memory or a file-Footnote-11512905
Node: Invoking astarithmetic1513196
Node: Convolve1528702
Ref: Convolve-Footnote-11531344
Ref: Convolve-Footnote-21531556
Node: Spatial domain convolution1531840
Ref: Spatial domain convolution-Footnote-11533060
Node: Convolution process1533117
Node: Edges in the spatial domain1535949
Ref: Edges in the spatial domain-Footnote-11539166
Ref: Edges in the spatial domain-Footnote-21539262
Node: Frequency domain and Fourier operations1539344
Node: Fourier series historical background1542105
Ref: epicycle1543674
Ref: Fourier series historical background-Footnote-11546853
Ref: Fourier series historical background-Footnote-21546950
Node: Circles and the complex plane1547306
Ref: iandtime1551760
Ref: Circles and the complex plane-Footnote-11552007
Node: Fourier series1552371
Ref: Fourier series-Footnote-11556487
Node: Fourier transform1556584
Ref: Fourier transform-Footnote-11559655
Node: Dirac delta and comb1559897
Node: Convolution theorem1563291
Ref: Convolution theorem-Footnote-11567372
Node: Sampling theorem1567433
Ref: samplingfreq1570203
Ref: Sampling theorem-Footnote-11574315
Node: Discrete Fourier transform1574460
Ref: Discrete Fourier transform-Footnote-11577770
Ref: Discrete Fourier transform-Footnote-21577876
Node: Fourier operations in two dimensions1578009
Ref: Fourier operations in two dimensions-Footnote-11580785
Node: Edges in the frequency domain1580950
Node: Spatial vs. Frequency domain1584636
Node: Convolution kernel1586193
Node: Invoking astconvolve1588934
Node: Warp1598710
Ref: Warp-Footnote-11602066
Ref: Warp-Footnote-21602208
Node: Linear warping basics1602370
Ref: Linear warping basics-Footnote-11608317
Ref: Linear warping basics-Footnote-21608413
Ref: Linear warping basics-Footnote-31608476
Ref: Linear warping basics-Footnote-41608537
Ref: Linear warping basics-Footnote-51608587
Node: Merging multiple warpings1608841
Node: Resampling1610337
Ref: Resampling-Footnote-11616230
Ref: Resampling-Footnote-21616315
Ref: Resampling-Footnote-31616408
Ref: Resampling-Footnote-41616474
Ref: Resampling-Footnote-51616671
Node: Invoking astwarp1616719
Node: Align pixels with WCS considering distortions1622193
Ref: Align pixels with WCS considering distortions-Footnote-11637685
Ref: Align pixels with WCS considering distortions-Footnote-21637761
Node: Linear warps to be called explicitly1637861
Node: Data analysis1646735
Node: Statistics1647611
Node: Histogram and Cumulative Frequency Plot1649273
Ref: Histogram and Cumulative Frequency Plot-Footnote-11653448
Node: 2D Histograms1653606
Node: 2D histogram as a table for plotting1656384
Ref: 2D histogram as a table for plotting-Footnote-11661395
Node: 2D histogram as an image1661493
Node: Least squares fitting1667610
Ref: Least squares fitting-Footnote-11682068
Node: Sky value1682538
Node: Sky value definition1684688
Ref: Sky value definition-Footnote-11688123
Ref: Sky value definition-Footnote-21688443
Node: Sky value misconceptions1688547
Ref: Sky value misconceptions-Footnote-11691046
Node: Quantifying signal in a tile1691317
Ref: Quantifying signal in a tile-Footnote-11701845
Node: Invoking aststatistics1701940
Ref: Invoking aststatistics-Footnote-11708679
Node: Input to Statistics1708885
Node: Single value measurements1711250
Node: Generating histograms and cumulative frequency plots1720071
Ref: Generating histograms and cumulative frequency plots-Footnote-11732223
Node: Fitting options1732293
Node: Contour options1742526
Node: Statistics on tiles1743729
Node: NoiseChisel1750871
Node: NoiseChisel changes after publication1758947
Ref: NoiseChisel changes after publication-Footnote-11761664
Node: Invoking astnoisechisel1761766
Ref: Invoking astnoisechisel-Footnote-11770331
Node: NoiseChisel input1770584
Node: Detection options1778521
Node: NoiseChisel output1810186
Node: Segment1818822
Ref: Segment-Footnote-11823706
Ref: Segment-Footnote-21823775
Node: Invoking astsegment1823911
Node: Segment input1826786
Node: Segmentation options1837922
Node: Segment output1847088
Node: MakeCatalog1854005
Ref: MakeCatalog-Footnote-11858819
Ref: MakeCatalog-Footnote-21859021
Ref: MakeCatalog-Footnote-31859119
Node: Detection and catalog production1859268
Ref: Detection and catalog production-Footnote-11863115
Node: Brightness flux magnitude1863172
Ref: Brightness flux magnitude-Footnote-11875290
Ref: Brightness flux magnitude-Footnote-21875354
Ref: Brightness flux magnitude-Footnote-31875639
Ref: Brightness flux magnitude-Footnote-41875811
Ref: Brightness flux magnitude-Footnote-51876107
Ref: Brightness flux magnitude-Footnote-61876160
Node: Quantifying measurement limits1876247
Node: Standard deviation vs error1878602
Node: Magnitude measurement error of each detection1888356
Node: Surface brightness error of each detection1889828
Node: Completeness limit of each detection1891172
Node: Upper limit magnitude of each detection1893055
Ref: Upper limit magnitude of each detection-Footnote-11897518
Node: Magnitude limit of image1897693
Node: Surface brightness limit of image1899566
Ref: Surface brightness limit of image-Footnote-11905969
Ref: Surface brightness limit of image-Footnote-21906144
Ref: Surface brightness limit of image-Footnote-31906337
Ref: Surface brightness limit of image-Footnote-41906562
Node: Upper limit surface brightness of image1906916
Node: Measuring elliptical parameters1910700
Node: Adding new columns to MakeCatalog1919154
Node: MakeCatalog measurements1924429
Node: Identifier columns1926958
Node: Position measurements in pixels1928326
Node: Position measurements in WCS1932626
Node: Brightness measurements1936966
Node: Surface brightness measurements1948207
Node: Morphology measurements nonparametric1954172
Node: Morphology measurements elliptical1964213
Node: Measurements per slice spectra1966192
Node: Invoking astmkcatalog1970376
Node: MakeCatalog inputs and basic settings1972900
Node: Upper-limit settings1985394
Ref: Upper-limit settings-Footnote-11994489
Ref: Upper-limit settings-Footnote-21994572
Node: MakeCatalog output1994757
Ref: MakeCatalog output-Footnote-12001945
Node: Match2002206
Node: Matching algorithms2003081
Node: Invoking astmatch2012892
Node: Data modeling2033517
Node: MakeProfiles2034057
Node: Modeling basics2036614
Node: Defining an ellipse and ellipsoid2037407
Ref: Defining an ellipse and ellipsoid-Footnote-12042298
Ref: Defining an ellipse and ellipsoid-Footnote-22042505
Node: PSF2042565
Ref: PSF-Footnote-12047239
Node: Stars2047413
Node: Galaxies2048066
Ref: Galaxies-Footnote-12049378
Node: Sampling from a function2049576
Node: Oversampling2054359
Node: If convolving afterwards2055721
Node: Profile magnitude2056982
Node: Invoking astmkprof2058760
Ref: Invoking astmkprof-Footnote-12064608
Node: MakeProfiles catalog2064861
Ref: MakeProfiles catalog-Footnote-12074651
Node: MakeProfiles profile settings2075038
Ref: MakeProfiles profile settings-Footnote-12094026
Node: MakeProfiles output dataset2094176
Ref: MakeProfiles output dataset-Footnote-12107219
Ref: MakeProfiles output dataset-Footnote-22107796
Node: MakeProfiles log file2112550
Node: High-level calculations2113902
Node: CosmicCalculator2114697
Node: Distance on a 2D curved space2116125
Ref: flatplane2118893
Ref: sphereandplane2121119
Ref: Distance on a 2D curved space-Footnote-12127822
Ref: Distance on a 2D curved space-Footnote-22128104
Ref: Distance on a 2D curved space-Footnote-32128548
Ref: Distance on a 2D curved space-Footnote-42128719
Node: Extending distance concepts to 3D2128807
Node: Invoking astcosmiccal2130327
Node: CosmicCalculator input options2133206
Node: CosmicCalculator basic cosmology calculations2135749
Node: CosmicCalculator spectral line calculations2142013
Node: Installed scripts2146711
Ref: Installed scripts-Footnote-12150476
Node: Sort FITS files by night2151123
Node: Invoking astscript-sort-by-night2156279
Node: Generate radial profile2162842
Node: Invoking astscript-radial-profile2163804
Node: SAO DS9 region files from table2183836
Ref: SAO DS9 region files from table-Footnote-12184831
Node: Invoking astscript-ds9-region2184859
Node: Viewing FITS file contents with DS9 or TOPCAT2191890
Node: Invoking astscript-fits-view2196095
Node: Zero point estimation2202018
Ref: Zero point estimation-Footnote-12204758
Ref: Zero point estimation-Footnote-22204913
Ref: Zero point estimation-Footnote-32205002
Node: Invoking astscript-zeropoint2205079
Node: zero point output2208900
Node: zero point options2210790
Ref: zero point options-Footnote-12217397
Node: Pointing pattern simulation2217499
Node: Invoking astscript-pointing-simulate2221926
Node: Color images with gray faint regions2232676
Node: Invoking astscript-color-faint-gray2234856
Node: PSF construction and subtraction2248859
Ref: PSF construction and subtraction-Footnote-12251222
Node: Overview of the PSF scripts2251389
Node: Invoking astscript-psf-select-stars2257183
Node: Invoking astscript-psf-stamp2265744
Node: Invoking astscript-psf-unite2277016
Node: Invoking astscript-psf-scale-factor2282015
Node: Invoking astscript-psf-subtract2288558
Node: Makefile extensions2293475
Node: Loading the Gnuastro Make functions2294972
Node: Makefile functions of Gnuastro2296491
Node: Text functions for Makefiles2298403
Node: Astronomy functions for Makefiles2301131
Node: Library2306223
Node: Review of library fundamentals2308470
Node: Headers2310588
Ref: Headers-Footnote-12320717
Ref: Headers-Footnote-22320775
Ref: Headers-Footnote-32320966
Ref: Headers-Footnote-42321081
Ref: Headers-Footnote-52321187
Node: Linking2321268
Ref: Linking-Footnote-12332870
Ref: Linking-Footnote-22333061
Ref: Linking-Footnote-32333341
Ref: Linking-Footnote-42333515
Ref: Linking-Footnote-52333771
Node: Summary and example on libraries2333865
Node: BuildProgram2337769
Node: Invoking astbuildprog2339299
Node: Gnuastro library2349455
Ref: Gnuastro library-Footnote-12354506
Node: Configuration information2354643
Ref: Configuration information-Footnote-12359687
Node: Multithreaded programming2359742
Ref: Multithreaded programming-Footnote-12362786
Ref: Multithreaded programming-Footnote-22362944
Node: Implementation of pthread_barrier2363006
Node: Gnuastro's thread related functions2365869
Node: Library data types2374046
Node: Pointers2389903
Node: Library blank values2395984
Node: Library data container2413644
Node: Generic data container2414840
Ref: Generic data container-Footnote-12427971
Ref: Generic data container-Footnote-22428030
Ref: Generic data container-Footnote-32428108
Node: Dataset allocation2428177
Node: Arrays of datasets2432646
Node: Copying datasets2435325
Node: Dimensions2439095
Node: Linked lists2462218
Ref: Linked lists-Footnote-12467280
Node: List of strings2467679
Node: List of int32_t2472113
Node: List of size_t2475849
Ref: List of size_t-Footnote-12480319
Node: List of float2480421
Node: List of double2484108
Node: List of void2488295
Node: Ordered list of size_t2491102
Node: Doubly linked ordered list of size_t2494081
Node: List of gal_data_t2497508
Node: Array input output2502443
Node: Table input output2508137
Node: FITS files2523680
Node: FITS macros errors filenames2525594
Node: CFITSIO and Gnuastro types2528433
Node: FITS HDUs2530940
Node: FITS header keywords2535661
Ref: FITS header keywords-Footnote-12558446
Node: FITS arrays2558660
Node: FITS tables2566730
Node: File input output2572449
Node: Text files2573462
Node: TIFF files2584708
Node: JPEG files2587433
Node: EPS files2590217
Node: PDF files2596647
Node: World Coordinate System2599879
Ref: World Coordinate System-Footnote-12629951
Ref: World Coordinate System-Footnote-22630028
Ref: World Coordinate System-Footnote-32630101
Ref: World Coordinate System-Footnote-42630177
Node: Arithmetic on datasets2630351
Node: Tessellation library2661734
Node: Independent tiles2665885
Node: Tile grid2680852
Node: Bounding box2692738
Node: Polygons2698379
Node: Qsort functions2715219
Node: K-d tree2721164
Ref: K-d tree-Footnote-12732739
Node: Permutations2733138
Ref: Permutations-Footnote-12736397
Node: Matching2736689
Node: Statistical operations2744462
Node: Fitting functions2774148
Ref: Fitting functions-Footnote-12784779
Ref: Fitting functions-Footnote-22784873
Ref: Fitting functions-Footnote-32784970
Ref: Fitting functions-Footnote-42785052
Node: Binary datasets2785139
Node: Labeled datasets2798932
Ref: Labeled datasets-Footnote-12814769
Ref: Labeled datasets-Footnote-22815107
Node: Convolution functions2815274
Ref: Convolution functions-Footnote-12819109
Node: Pooling functions2819162
Node: Interpolation2821169
Ref: Interpolation-Footnote-12833701
Node: Warp library2833763
Node: Color functions2845387
Node: Git wrappers2847477
Node: Python interface2849309
Node: Unit conversion library2852404
Node: Spectral lines library2859007
Ref: Spectral lines library-Footnote-12870328
Node: Cosmology library2870398
Node: SAO DS9 library2873804
Ref: SAO DS9 library-Footnote-12876352
Node: Library demo programs2876415
Node: Library demo - reading a image2877534
Node: Library demo - inspecting neighbors2881560
Node: Library demo - multi-threaded operation2885043
Node: Library demo - reading and writing table columns2892451
Node: Library demo - Warp to another image2900295
Node: Library demo - Warp to new grid2906909
Node: Developing2914098
Node: Why C2916507
Ref: Why C-Footnote-12923521
Ref: Why C-Footnote-22923551
Ref: Why C-Footnote-32923619
Ref: Why C-Footnote-42923653
Ref: Why C-Footnote-52923686
Ref: Why C-Footnote-62923751
Ref: Why C-Footnote-72923950
Ref: Why C-Footnote-82924056
Ref: Why C-Footnote-92924130
Ref: Why C-Footnote-102924256
Ref: Why C-Footnote-112924303
Ref: Why C-Footnote-122924534
Ref: Why C-Footnote-132924650
Node: Program design philosophy2924696
Ref: Program design philosophy-Footnote-12927760
Ref: Program design philosophy-Footnote-22928022
Ref: Program design philosophy-Footnote-32928130
Node: Coding conventions2928178
Ref: Coding conventions-Footnote-12940616
Ref: Coding conventions-Footnote-22940688
Ref: Coding conventions-Footnote-32940994
Ref: Coding conventions-Footnote-42941149
Node: Program source2941417
Node: Mandatory source code files2942524
Node: The TEMPLATE program2951629
Node: Documentation2956835
Node: Building and debugging2961784
Node: Test scripts2964799
Ref: Test scripts-Footnote-12967401
Ref: Test scripts-Footnote-22967568
Node: Bash programmable completion2967752
Node: Bash TAB completion tutorial2969668
Ref: Bash TAB completion tutorial-Footnote-12981241
Ref: Bash TAB completion tutorial-Footnote-22981341
Ref: Bash TAB completion tutorial-Footnote-32981423
Node: Implementing TAB completion in Gnuastro2981505
Node: Developer's checklist2985058
Node: Gnuastro project webpage2986995
Ref: Gnuastro project webpage-Footnote-12991202
Ref: Gnuastro project webpage-Footnote-22991256
Ref: Gnuastro project webpage-Footnote-32991292
Node: Developing mailing lists2991415
Node: Contributing to Gnuastro2993669
Node: Copyright assignment2995669
Node: Commit guidelines2999757
Ref: Commit guidelines-Footnote-13006020
Node: Production workflow3010365
Ref: Production workflow-Footnote-13013262
Ref: Production workflow-Footnote-23013341
Ref: Production workflow-Footnote-33013424
Node: Forking tutorial3013506
Ref: Forking tutorial-Footnote-13021656
Ref: Forking tutorial-Footnote-23021937
Node: Other useful software3022047
Node: SAO DS93022574
Node: TOPCAT3026319
Node: PGPLOT3029175
Ref: PGPLOT-Footnote-13032767
Node: GNU Free Doc License3032819
Node: GNU General Public License3057974
Node: Index3095560

End Tag Table


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