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Topic Subject   Views   Replies   Last Post   plotting tables with sgraphStarted by:kkwitter, 06/09/2006 08:28PM I am having trouble with the syntax for plotting 2 column sof a 4-column table with sgraph. I want to plot column 2 on the x-axis and 3 on the y axis, but several attempts with various suggested and implied formats have been unsuccessful. Thanks!   6798 4 By: fitz 06/09/2006 08:28PM very long xgterm windowStarted by:pskoda, 06/14/2006 11:07PM Hi all, I wanted to work with a long part of merged echelle spectra (having about 5000 points) not loosing the resolution by calling xgterm.bin -G 7000x400+10-10 It produces long graphics window (after starting the plot commands) hopefully 7000 poin...   3765 1 By: fitz 06/14/2006 11:07PM group imagesStarted by:Guest, 06/15/2006 02:29PM Hello! I am Kushal Mehta, a summer student at NRAO and am working on some HST data. I am using iraf to reduce the data and I have a couple of questions: 1. Is there a task or command that I can use to make a single image consisting of 4 groups from ...   3593 1 By: EdAnderson 06/15/2006 02:29PM Batch clStarted by:Guest, 06/16/2006 08:58PM Hi people, I'm running IRAF in a PC SUSE 9.x. The problem is that we haven't a proper STSDAS compiled for it at STScI, so the people here compiled STSDAS and TABLES in a lower SUSE distribution in order to pass thru the gnu lib gcc-3 incompatibilitie...   5641 4 By: jlkohlm 06/16/2006 08:58PM operating system suggestions neededStarted by:, 06/19/2006 07:44PM I'm planning on getting a new laptop soon and am eyeing up the new Macbook Pro. I do need to run IRAF, however, and have some misgivings if it's not entirely recommended on mac intel. I know there's been a successful port but haven't heard/read from too...   3118 1 By: fitz 06/19/2006 07:44PM Another problem with imalignStarted by:, 06/19/2006 07:59PM Hi, I know that there is lots of answers to problems connecting to imalign, but I couldn't find just similar to mine. I have successfully used before imalign, but this is new problem that I haven't solved (with tens of other :). About the problem. Im...   14331 8 By: moppi 06/19/2006 07:59PM x11iraf under RHEL WS4, 64-bitStarted by:EdAnderson, 06/20/2006 10:10PM Hi I'm having a rough time trying to compile X11IRAF under Redhat WS 4 (64-bit). Any comments, suggestions would be greatly appreciated. Thanks, -- Ed   7729 6 By: EdAnderson 06/20/2006 10:10PM help ! (imcombine)Started by:dwg906, 06/22/2006 01:14PM because of low S/N, I want to combine some images, but i don't know how to do it :oops: If you know about it, please help me!! Thanks very much!   5804 4 By: dwg906 06/22/2006 01:14PM plotting image spectrumStarted by:ross58, 06/24/2006 09:44AM when I plot an image spectrum of 16834 lines it gives back: error: /usr/lib/iraf/iraf//noad/bin/x_onedspec.e: memory has been corrupted What does it mean? What can I do?   3571 1 By: fitz 06/24/2006 09:44AM Journaling in IRAF?Started by:baryonicminority, 06/29/2006 09:03PM Hi all, I was wondering if IRAF has a journaling function that records sessions, similar to the one that IDL has. Any help or advice would be much appreciated. Thanks, - a.s.   4514 6 By: itso 06/29/2006 09:03PM advice requested please: running IRAF...Started by:Guest, 06/30/2006 07:08PM Hello! This somewhat of a strange request, but I've been sending emails to various astronomy-related websites (observatories included) in order to get some advice about laptops and Linux and astronomy-related software (I haven't been able to find any in...   3491 1 By: fitz 06/30/2006 07:08PM creating NaN's in a fits imageStarted by:jkrick, 07/06/2006 12:50AM This may be strange, but I would like to make some of the pixels in some mosaic images have the value "NaN". I have tried imarith and imexpr, using either log of a negative number or dividing images by 0, but the tasks quit with errors and won't write...   5543 1 By: fitz 07/06/2006 12:50AM gain of Flat different from gain of Z...Started by:danila, 07/06/2006 12:30PM Hello everybody, My flat images has gain value different from gain of zero images. Is it bad? Does IRAF ccd reduction tasks account this difference automatically if I put "gain= gain" in epar? thanks for your attention, Andrey D...   4184 2 By: danila 07/06/2006 12:30PM Problem with wregisterStarted by:pweilbacher, 07/14/2006 03:27PM I have a set of images all of which are dithered and come from a 2-CCD instrument (FORS2), so each exposure has two FITS images. To align and combine all of them I tuned the WCS in all these images to be correct, to good accuracy which I checked visuall...   6728 4 By: pweilbacher 07/14/2006 03:27PM IRAF on dual core machine?Started by:Guest, 07/19/2006 03:19PM Hello IRAF folks, thanks for making such a great product freely available. I have been enjoying using IRAF for years and have installed it on many machines. I am considering purchasing a laptop with a dual-core (T2300) processor and plan on putting red...   3247 1 By: fitz 07/19/2006 03:19PM help with installationStarted by:Guest, 07/19/2006 05:30PM Dear colleagues, after installing IRAF, apparently successfully, under a SuSE linux, I type 'cl' from the iraf account but the environment does not start. It does not find the command 'cl'. As a matter of fact there seems to be no iraf executables...   3273 1 By: fitz 07/19/2006 05:30PM stdimage options for large (14K) image?Started by:Adrienne Cool, 07/21/2006 07:18PM Hello, Does anyone know how to set stdimage to allow a very large image to be displayed? I am using imt8192 at the moment, set stdimage = imt8192 but now have a 14,000x14,000 pixel mosaic to display, and don't know how to find out wha...   14182 3 By: emiliano 07/21/2006 07:18PM FITS bitpixStarted by:pakuliak, 07/23/2006 10:56AM Hello, everybody! How can I keep bitpix number when converting from fit-file into imh-image? I have bitpix=16 in fit and after rfits I've got bitpix=8. Ludmila   9527 6 By: pakuliak 07/23/2006 10:56AM dividing a large image in halfStarted by:kkwitter, 07/24/2006 06:07PM Hi- I have an image: xxx.fits[256,256,16383] which is 2.1MB. Is there a way to split this in half for easier manipulation (it's a time series)? Thanks! KK   3943 1 By: fitz 07/24/2006 06:07PM question on simple programmingStarted by:Guest, 07/24/2006 08:20PM Dear IRAF support, I'd like to as a question about how to make the simple script working. I supply the next script to the "cl" : cl> cl < a.cl where a.cl is the following: ---- cat a.cl --- apscatter @objects.list out=@obj.list refer=bs hselect...   6447 5 By: fitz 07/24/2006 08:20PM iraf questionStarted by:Guest, 07/24/2006 11:58PM Hi Shaye, > I am an REU at NOAO for the summer, and Steve Howell suggested I > talk to you. > > I am working on comet imaging. I have a coma feature that I want to > find the centroid of. Steve suggested eyeballing a center, > a...   3414 0 By: Guest 07/24/2006 11:58PM combining: floating point invalid ope...Started by:kari, 07/25/2006 09:18AM Hi, I'm running PC-IRAF Revision 2.12.2 on a linux (ubuntu) system. I'm using an Acer AMD Sempron laptop. My problem is combining images. Everytime I try to use flatcombine or imcombine f.ex. I get the following error: ERROR on line 47 : floating point...   4321 0 By: kari 07/25/2006 09:18AM Defining a foreign task in the pkgnam...Started by:EdAnderson, 07/25/2006 09:08PM Mike (or anyone), I'm have a standalone fortran program that is part of a local external package. Previously, I would define the task in my loginuser.cl file as: task $taskname = $/path-to-executable/executable-name Inside the packagename.cl ...   4247 2 By: EdAnderson 07/25/2006 09:08PM problems with the installation of the...Started by:Guest, 07/26/2006 08:18AM Following the instructions in the readme file, I run into the following errors: System is running GNU/Linux Debian (unstable), running IRAF 2.12 with ecl extension, under a xgterm window with a tcsh shell. First: -- ecl> mkpkg generic deleting any ...   19440 16 By: eskog 07/26/2006 08:18AM Please add the Olin Observatory to th...Started by:Guest, 07/28/2006 05:00PM Hello, Please add the Olin Observatory to the obsdb.dat file. I have included the required information below and in the attached text file. Thank you, _____________________________________________________________________________ # Observatory pa...   3581 0 By: Guest 07/28/2006 05:00PM IRAF on sasanamiStarted by:Guest, 08/02/2006 12:18AM Hi IRAF Gurus, I have a question about the ttools package in IRAF. I created a binary table using "tcreate" and "tedit" on a Sun workstation running Solaris, named Indy. The ttools package works without a hitch. The IRAF distribution is the EXPORT ve...   3491 1 By: fitz 08/02/2006 12:18AM FITSUTIL for macStarted by:Guest, 08/02/2006 12:34AM Hello, I need to install the FITSUTIL package under mac os 10.4.7. I downloaded the file fitsutil-bin.macosx.tar.gz <http://iraf.noao.edu/iraf/ftp/iraf/extern-v212/fitsutil-bin.macosx.tar.gz> from iraf.noao.edu/iraf/ftp/iraf/extern-v212 but w...   9186 6 By: fitz 08/02/2006 12:34AM IRAF on sasanamiStarted by:rhy, 08/02/2006 03:43PM Hi Crystal, I confirmed the error you are seeing by copying 15Hmaster.tab to different Linux system running IRAF, which all give the same error you saw on sasanami: ta> tlcol 15Hmaster.tab # 15Hmaster.tab Warning: Unknown table type, or line too lo...   3995 1 By: pweilbacher 08/02/2006 03:43PM set evironmentStarted by:arthit, 08/04/2006 09:09AM I am installing iraf v2.12 in my labtop, using RedHat9.0. Core iraf and BIN files are extracted at /home/iraf/iraf and /home/iraf/irafbin follow in PC-IRAF installation guide. Next, I try to run the install script. I cannot use 'setenv iraf /home/iraf/i...   6575 5 By: arthit 08/04/2006 09:09AM IRAF on FC5 with nclStarted by:mcba, 08/05/2006 11:36PM I'm trying to use ncl (SAO's "new" cl, which has command-line editing) with Fedora Core 5 and IRAF 2.12.2a-EXPORT. When I run it I get PANIC "memory has been corrupted problems" when doing things like "imstat dev$pix". I've tried recompiling ncl from ...   4311 2 By: mcba 08/05/2006 11:36PM

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