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IRAF Login - Slow startup times solutionStarted by:admin, 03/05/2019 05:49PM
On March 1, NOAO disabled access to the
iraf.noao.edu website from outside of
the firewall (see
[url]http://ast.noao.edu/data/software[/url]).
As a side-effect, the CHKUPDATE command
in the login.cl file that uses the
website to check for package updat...

2623

By: admin

03/05/2019 05:49PM

ctrl D not working while doing photom...Started by:dimrsl, 11/10/2023 04:28PM
iraf v2.17
ds9 8.3

Ctrl D is working in general but while
Im trying to select (I set the cursor
above my object and click 'r' ) my
reference objects and main object on ds9
this operation is not working, so Im not
able to save or finish the task or a...

1058

By: fitz

11/11/2023 01:27AM

xgterm not opening when starting up IRAFStarted by:70007k, 05/03/2023 01:56AM
I have run into an issue opening xgterm.
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.

1760

By: 70007k

05/03/2023 01:56AM

Question running SplotStarted by:AstroChris, 03/10/2023 06:04PM
So I?m an undergraduate student trying
to do some research, I?m currently using
Iraf and I?m trying to follow my
professors instructions to run splot and
get to the data I?m trying to us,
however i don?t think he gave me
complete instructions, I would a...

1940

By: fitz

03/13/2023 01:37AM

Flat lamp spectrumStarted by:Patrick Watson, 03/04/2023 02:24AM
Hello,
I have previously posted this in the
wrong forum - sorry.

I wish to process longslit images up to
and including spectra extraction. It
appears from my reading that when flat
correcting object spectra the flat lamp
spectrum needs to first be r...

1690

By: Patrick Watson

03/04/2023 02:24AM

Continuum fitiingStarted by:debs123, 07/19/2022 06:42PM
Hi,
I am a new user of IRAF and I am trying
to continuum fit a spectra. However, I
could not normalise the spectra exactly
at 1. I tried doing trial and error
changing the fit parameters, order and
functions. Still I could not get a good
normalise spec...

1574

By: debs123

07/19/2022 06:42PM

Coordinate file generated by daofind ...Started by:Arghya, 05/24/2022 01:38PM
Hi ,
I am currently a beginner with
IRAF and am trying to overplot the
coordinate file generated by Daofind
package , but unfortunately the file has
no data , only the header names ,format
and units. I have tried experimenting
with different par...

1538

By: fitz

05/26/2022 07:17PM

Problem with imexamine in ubntu 18.Started by:mdmelita, 10/07/2021 03:01AM
Hi! When I use the comands a, j, k, s,
r, etc, they do not seem to give the
answer form the location where the
cursor (circle) is, but fron somewhere
else. i.e. if I place the cursor on a
star the look is as if it where from the
backfground. Any help wi...

1733

By: mdmelita

10/14/2021 10:08PM

Debian IRAF on Ubuntu does not see ex...Started by:msz1959, 09/01/2021 07:57AM
I have NOAO/IRAF Debian
2.16.1+2018.11.01-3 installed on a
Ubuntu 20.04 machine, using metapackage
astro-iraf which also installs several
external packages (fitsutil, msdred,
rvsao, sptable,wcstools). For an unknown
reason, IRAF does dot detect those pa...

1742

By: fitz

09/02/2021 04:46PM

Moved IRAF 2.12.2a to new system. Un...Started by:justinc, 07/09/2021 03:48PM
I have moved this installation of IRAF
to new systems several times, but it's
getting really long in the tooth.
The thing is, it works, and I can't get
newer installations to work the way we
need them to in our environment.
I think I have most things...

1054

By: admin

07/19/2021 05:01PM

Downloads for Older Versions of IRAFStarted by:justinc, 07/11/2021 02:32PM
Are there any archive versions of IRAF
available for download anywhere? I can't
find them on NOAO.
I need 2.12.2a.

1358

By: fitz

07/12/2021 06:32PM

iraf imexamine crashes on macOSStarted by:Xin Wang, 09/15/2019 06:03AM
Hi all,

I'm using pyraf that comes with
astroconda ($ conda create -n iraf27
python=2.7 iraf-all pyraf-all stsci).
The version of my system OS and software
is as follows.

macOS Mojave 10.14.6
pyraf 2.2.dev
ds9 8.0.01

The problem is as follows...

3740

By: Xin Wang

09/26/2019 02:41AM

IRAF external packagesStarted by:RyanWills16, 06/11/2019 02:33PM
Hi all,

I installed iraf through the Astroconda
Channel on my Ubuntu 18.04 system and
have already used it, so I know that
iraf works. When I login to iraf, I get
a message:

warning: missing external package
definitions file (IRAF_EXTPKG).

I th...

2641

By: RyanWills16

09/07/2019 10:01PM

Can not open alpha_lyr_stis_008.fitsStarted by:pjpessi, 07/17/2019 07:09PM
Hi, I apologise in advance if this is a
silly question.
I downloaded the file
"alpha_lyr_stis_008.fits" from
https://aeon.stsci.edu/ssb/trac/astrolib/browser/trunk/pysynphot/data/generic/alpha_lyr_stis_008.fits?rev=4677
I want to see the spectra on s...

1710

By: pjpessi

08/29/2019 01:45PM

CCDPROC-Error in image section specif...Started by:mwh, 06/08/2010 08:06PM
Hello,

I have been trying to process images
using CCDPROC but have been getting the
error message "Error in image section
specification". According to other forum
posts I have seen, this means that there
is a problem in the image headers for my
images....

12091

By: avishay

08/14/2019 09:15PM

ERROR: Illegal filename operand (null...Started by:jlrastro, 12/28/2006 05:30PM
I am getting this error when trying to
fit lines using SPLOT. The file opens, I
can do "w" and "e" to zoom in on a
certain range, but when I try to use "k"
or "d" or anything else to fit a
Gaussian (etc.) to a line, this error
message

ERROR: Illegal f...

7298

By: avahumada

07/23/2019 03:33PM

Astrometry Tasks problemStarted by:AAKANKSHA, 06/26/2019 08:09PM
Hi Fitz,
I want to perform astrometry and
photometry on KING 2 open cluster.
Currently, I have updated the WCS using
CCMAP but i still find that the images
don't have the final corrected WCS. Can
you please help out ?
http://iraf.noao.edu/projects/c...

639

By: AAKANKSHA

06/26/2019 08:09PM

canStarted by:giannicatanzaro, 05/07/2019 07:22AM
hi all
I cannot read with iraf FTS files
download from AAT archive, even if I
rename them in .fits.
Typical error I get is
ecl> splot RUN0002.fits
ERROR: MWCS: dimension mismatch
(mw_open)

or when I use imheader
ecl> imheader RUN0002
RUN0002...

979

By: giannicatanzaro

05/07/2019 07:22AM

instrument translation file?Started by:wu_qso, 11/23/2013 06:55AM
I'm doing bias combination with
zerocombine, here is the error,

ERROR: No 'instrument' translation file
specified.
"pclip=pclip, grow=0)"
line 47: ccdred$zerocombine.cl
called as: 'zerocombine (mode=h)'

What's the problem? I'm using the latest
...

23048

By: jbkikwaya

03/23/2019 03:20AM

CanStarted by:massey, 03/09/2019 10:45PM
Hi Mike et al---

I've come across about dozen ancient
IRAF images (IIDS data) that are still
in the "imh" and "pixels" form. The
weird thing is that although I can see
them find with an ls, imhead says it
can't open the file. I could understand
it ...

837

By: fitz

03/11/2019 02:10AM

iraf.noao.eduStarted by:rjvo, 03/04/2019 08:34AM
What is going on witn
[url]iraf.noao.edu[/url] - the site does
not respond;
[url]tucana2.tuc.noao.edu[/url] - no
answer.

1718

By: rjvo

03/04/2019 06:17PM

imcombine has stopped workingStarted by:grayro, 01/29/2019 04:09PM
Hi,

I have encountered a mysterious problem
in a cl hosting script which I have been
running as part of a pipeline for about
2 years. Suddenly, a few weeks ago,
imcombine stopped working and is
producing an output file of 0 length.
The offending li...

1394

By: grayro

02/26/2019 03:15PM

Error Message running xgtermStarted by:pmforlife, 11/06/2018 11:58PM
Hi.

When I open xgterm and try to run IRAF
by typing "cl" it says:

[quote]/iraf/iraf/bin.linux64/vocl.e:
error while loading shared libraries:
libncurses.so.5: cannot open shared
object file: Error 40[/quote]

I tried to solve the problem using ...

2074

By: andrej

01/11/2019 12:57AM

SAOImageDS9 version 8.0 is now availableStarted by:joye, 12/13/2018 09:36PM
SAOImageDS9 version 8.0 is now available
for download. Please use this version
with IRAF.

http://ds9.si.edu/site/Download.html

9368

By: joye

12/13/2018 09:36PM

can't start xgtermStarted by:duvall, 12/01/2018 12:19PM
I upgraded my macbook air to mojave
10.14.1. When I try to start up
xgterm, I get the message

dyld: Library not loaded:
/usr/X11R6/lib/libXpm.4.dylib
Referenced from:
/Users/duvall/.iraf/bin/xgterm
Reason: image not found

Help!
Thanks.
...

1536

By: duvall

12/11/2018 09:29AM

Lacos errorStarted by:KarolinaS, 12/06/2018 10:53AM
Hello,

I have a problem using tool lacos from
stsdas package. When I try to process my
image, there is this error message:
ERROR: Cannot open image (lacos7332ec)

"median(sigmap,med5,5,5,zlo=INDEF,zhi=INDEF,verb-)"
line 193: home/karolina/iraf/...

1037

By: KarolinaS

12/06/2018 10:53AM

interactive response window not workingStarted by:xjs0118, 11/20/2018 07:04PM
Hello,

I'm attempting to use
noao>twodspec>longslit's response
interactively. However, although the
window allows me to input commands (e.g.
:order 5), when I replot via 'r', only
the header updates. The actual plot does
not. This originally occurred...

681

By: xjs0118

11/20/2018 07:04PM

imalign errorsStarted by:elizevin, 11/09/2018 12:07PM
Hello.
I tried to align some images for
stacking, but I can't seem to get it
right.
I have three images I'd like to align,
it's raw .fit data (data is not yet
reduced, I just wanted to test
stacking). I made list_B with four
images (first is my refere...

652

By: elizevin

11/09/2018 12:07PM

SAOImageDS9 version 8.0rc6 is now ava...Started by:joye, 10/22/2018 03:37PM
SAOImageDS9 version 8.0rc6 is now
available for download. Please use this
version or version 7.5 with IRAF.

http://ds9.si.edu/site/Beta.html

845

By: joye

10/22/2018 03:37PM

Iraf running in Windows via Docker?Started by:abraham, 10/14/2018 04:05PM
Is anybody successfully running IRAF in
Windows using a Linux docker container?
I've built a linux container with IRAF
(via Astroconda) and it seems to work
except for the fact that I can't access
(from within IRAF) files on the host
machine. The contai...

1654

By: fitz

10/16/2018 04:57PM

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