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Questions tagged [iraf]

20 questions
3
votes
0 answers

GCC behaves differently on Arch Linux

I'm a newbie in Arch Linux. I've tried to compile IRAF package from github and I've got multiple definition error. /usr/bin/ld: xppcode.o:/home/nastya/iraf/unix/boot/spp/xpp/xppcode.c:109: multiple definition of `errflag';…
Alderamin Cepheus
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Aligning Astronomical Images

I have few .fits files(images) of astronomical sources in different filters(U,B,V,R,I) taken at different nights. Now I have done astrometry on those images and have the wcs information.How to align those images so that I can add multiple images in…
Anirban
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`relocation truncated to fit` errors when compiling Daomaster in Stetson

I'm interested in using the Stetson package, but I'm having trouble with the "daomaster" executable. All the other executables have been successfully produced, but the compiler returns several error messages related to "daomaster". Could you provide…
hamid
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0
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segmentation fault (core dumped) problem when trying to open xgterm for IRAF

I have run into an issue opening xgterm. In my terminal, I did the usual conda activate iraf27, then xgterm &, and then I get a message: Segmentation fault (core dumped) xgterm I am not sure how to go about fixing this problem I have tried conda…
70007
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1 answer

Pyraf rspectext RuntimeError: dictionary keys changed during iteration

I have to convert a classic ascii file with two columns (wavelength and flux) into a fits file and I used rspectext from pyraf (with dtype=interp) in a python script but I get this error message: Traceback (innermost last): File "",…
Erasmo Trentin
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1 answer

Problems installing IRAF in Intel Macbook

I have been struggling with my IRAF installation. I have been using the terminal in my Intel MacBook Pro. When I try to run IRAF I get the following errors: Bad CPU in executable and Undefined error:0. (base) Miriams-MacBook-Pro:~ user$ source…
Miriam Ramos
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0
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1 answer

IRAF for Mac m1

Hi I'm trying to install IRAF with anaconda I follow these steps, but when I run iras, and I want to make something, this program doesn't recognize the commands of IRAF i follow this tutorial:…
Joan Lopez
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How to ignore bad images in iraf imstat

Suppose I have three fits images (file1.fits, file2.fits, and file3.fits).The middle one(file2.fits) is a bad image. When i run imheader it shows ![result] file1.fits[1092,736][ushort]: bias file2.fits[1092,736][ushort]:…
Pritam Das
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How do you make xterm work on Cygwin to use IRAF?

I need to use IRAF for astronomy labs, I’m attending remotely so I need to do it with my laptop. I installed Cygwin with the needed packages and IRAF but I don’t understand why when I try to open a terminal with xterm I just get a black window that…
Angela Carta
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1 answer

What is the right parameter syntax for PyRAF biassec?

If I use epar ccdproc in imred >> ccdred >> ccdproc, I can put [261:280,1:1032] in biassec, which is in a old iraf code by my teacher: ccdproc @list.all o//@list.all ccdtype='' overscan+ biassec=[261:280,1:1032] But if I use the terminal, it will…
user14554732
0
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1 answer

Shifting images in IRAF

I want to shift a FITS image in IRAF using the imshift task. I'm confused about the xshift and yshift inputs. What are their units. Are they supposed to be physical coordinate shifts or WCS coordinate shifts. Are they just present coordinate - new…
anony
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1 answer

IRAF Transform Task - ERROR (741, "Cannot open file(database)")

I am getting this error while doing the transform task in iraf. transform input=hd75555lr_s0.5nhg_combine output=hd75555lr_s0.5nhg_combine_t fitnames=arglamplowr_s1.0-00053.Z-CROP interptype=linear flux=yes blank=INDEF x1=INDEF x2=INDEF dx=INDEF…
Navaneeth P K
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2 answers

How to refer to string content when using ls

I'm working with IRAF, based on SPP, kind of a mix between Fortran and C. I'm looking for a way of referring to a string content when using ls. For example, I can type ls *hola* if I want to list every file containing the word hola in my directory.…
Pablo
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1 answer

iraf, make: *** No rule to make target 'sptable'. Stop

I am working with Iraf and I need to install the external package "sptable". The only way I found in order to install Iraf nowadays is described in this site: https://glauffer.github.io/2018-08-03-the-easy-way-to-install-iraf/ In order to install…
Erasmo Trentin
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0
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1 answer

Error linking IRAF library relocation R_X86_64_32 against can not be used

I'm trying to compile a program called DAOSPEC written in Fortran. It gives me the following error (among similar others): /usr/bin/ld: /home/osboxes/iraf/bin.linux64//libimfort.a(imakwc.o): relocation R_X86_64_32 against `.bss' can not be used…
Evgenii
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