New pages
Jump to navigation
Jump to search
- 12:44, 30 November 2023 Astro links (hist) [7,569 bytes] Ana.Lalovic (talk | contribs) (Created page with "# STSDAS: stsdas.stsci.edu/irafx")
- 16:56, 27 November 2023 IRAF4Students (hist) [11,735 bytes] Ana.Lalovic (talk | contribs) (Created page with "<pre> Author: Milan Bogosavljevic pokreni ds9 & pokreni xgterm komanda ispod pokreni irafcl posle toga step 2 # AOB I Katedra za astronomiju # SVAP Maj, 2015 # Priprema z...")
- 14:40, 10 November 2023 LinuxShort (hist) [7,554 bytes] Ana.Lalovic (talk | contribs) (Created page with "== Usefull short commands == === '''Kill a process tree''' === When some script is started from a command line in a for-loop and a process tree is made, one should find the...")
- 14:39, 10 November 2023 AstroFormule (hist) [12,296 bytes] Ana.Lalovic (talk | contribs) (Created page with "== Galaxies == ===<font color=Maroon size=3>''Instrumental resolution''</font>=== Given spectra estimate instrumental resolution in AA and km/s: <math> velocity\_scale[km/...")
- 14:38, 10 November 2023 SextractorInstallation (hist) [7,183 bytes] Ana.Lalovic (talk | contribs) (Created page with "This installation manual may be found at:[http://ubuntuforums.org/showthread.php?p=8504839#post8504839 Ubuntu forums]. Just in case it is copied here and slightly modified. In...")
- 14:36, 10 November 2023 Telescopes (hist) [1,005 bytes] Ana.Lalovic (talk | contribs) (Created page with "== Basic geometry == Plate scale of a telescope is 1 radian in the sky (measured in arcsec) "seen" in the focal plane of the telescope at the focal length (measured in millim...")
- 14:33, 10 November 2023 Catalina4Astronomers (hist) [2,760 bytes] Ana.Lalovic (talk | contribs) (Created page with "== Xcode == AppStore: Xcode terminal: xcode-select --install == Homebrew == ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" By...")
- 13:42, 10 November 2023 Cats (hist) [1,642 bytes] Ana.Lalovic (talk | contribs) (Created page with "Perseus galaxies in the field of ngc127711281moredata: 500px Free PA, center fixed (fflag=0.5 maxgerr=0.5 step=10): Image:sb_str...")
- 13:28, 10 November 2023 Background on images (hist) [1,152 bytes] Ana.Lalovic (talk | contribs) (Created page with " mask = segmentation_map > 0 # Sextractor's segmentation mask with DETECT_THRESH = 1. and ANALYSIS_THRESH = 1. bkgmask = (data == 0.0) # Mask of the outer parts of the im...")
- 13:24, 10 November 2023 CCD data reduction (hist) [7,486 bytes] Ana.Lalovic (talk | contribs) (Created page with "== Creation of lists == filter="L" ls bias*[0-9].fit > bias.list ls dark600s-00*fit > dark600s.list ls dark*5sec*fit > dark5s.list ls flat*${filter}.fit > flat${filt...")
