📦 gnuastro

A

• astarithmetic(1)arithmetic operations on images and numbers✨
• astbuildprog(1)compile, link with Gnuastro library and its dependencies, and run a C program✨
• astconvertt(1)convert known data types to each other✨
• astconvolve(1)convolve an image with a given kernel✨
• astcosmiccal(1)estimate cosmological values✨
• astcrop(1)crop regions of a dataset✨
• astfits(1)view and manipulate FITS headers✨
• astmatch(1)match catalogs by 1D or 2D positions✨
• astmkcatalog(1)Make a catalog from labeled input images✨
• astmknoise(1)add noise to an image✨
• astmkprof(1)make standard 2D profiles on an image✨
• astnoisechisel(1)detect signal in a noisy image✨
• astquery(1)query remote data servers and download✨
• astscript-color-faint-gray(1)RGB image from FITS images showing bright and faint features✨
• astscript-ds9-region(1)Create an SAO DS9 region file from a table✨
• astscript-fits-view(1)View FITS images in DS9 and tables in TOPCAT✨
• astscript-pointing-simulate(1)Simulate the exposure map of a pointing pattern✨
• astscript-psf-scale-factor(1)Find factor to scale PSF to a given star✨
• astscript-psf-select-stars(1)Select good stars for constructing the PSF✨
• astscript-psf-stamp(1)Make normalized stamp with other sources masked✨
• astscript-psf-subtract(1)Subtract a given PSF model from the image✨
• astscript-psf-unite(1)Unite the outer and inner regions of the PSF✨
• astscript-radial-profile(1)Create a radial profile of an object in an image✨
• astscript-sort-by-night(1)Sort input FITS files by night✨
• astscript-zeropoint(1)Estimate zero point of an image✨
• astsegment(1)segmentation based on signal structure✨
• aststatistics(1)calculate statistics of a dataset✨
• asttable(1)read and write ASCII and FITS tables✨
• astwarp(1)warp (transform) input dataset✨