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Procedure ErrorStarted by:sscibell, 09/14/2015 06:51PM
Hello,

I am trying to pass parameters to script
tasks and I keep getting an error saying
"ERROR: Illegal variable declarations."
I tried simply following a script from
'IRAF CL Script Tips & Tricks' :

ecl> procedure askit (question)
>>>bool ...

1012

By: fitz

09/15/2015 10:42PM

ecidentify: not saving wavelength sol...Started by:fuzzyduck, 10/10/2017 04:30PM
So I am running ecidentify (on a new
anaconda installation of iraf). I have
marked my wavelengths and fit a
solution.
However, the solution does not appear to
be saved. When I do an splot of the
spectra the dispersion axis is still in
pixel units (and...

1023

By: fuzzyduck

10/10/2017 04:30PM

Can you automate an imexam task?Started by:sscibell, 09/06/2015 08:07PM
Hello,

Is it possible to automate a cursor
command in imexam so it can be
incorporated into a script? It seems
that you can do this if you give image x
and y positions and then the key stroke.

However, I am trying to determine the
y-location of a...

1025

By: fitz

09/10/2015 04:23PM

directory names with spacesStarted by:duvall, 10/18/2016 12:45PM
If I have a directory name with spaces,
I can't seem to cd to it:

(in a shell)
mkdir "test 2"
ls
test 2
cd "test 2"
(ok)

(in iraf)
dir
test 2
cd "test 2"
ERROR: Cannot change directory to 'test
2'
called as ...

This seems to happen on...

1030

By: fitz

10/18/2016 12:53PM

Geomap taking too long to runStarted by:NovaGirl, 07/28/2016 12:03AM
Hi everyone,

I am a complete beginner to IRAF, and I
am trying to align some fits files using
geomap and geotran.

I am running geomap right now, but it
has been very slow until now. The output
looks something like:

geomap @CoordList.txt datab...

1030

By: NovaGirl

07/28/2016 03:19AM

Imexamine: Started by:Gaba_p, 11/03/2016 05:22PM
The output of
[url=http://stsdas.stsci.edu/cgi-bin/gethelp.cgi?imexamine]imexamine[/url]'s
'[b]a[/b]' (performed over a star)
includes the "mean background" in the
column named 'SKY'.

What is the difference with the
'[b]m[/b]' column 'STDDEV' perform...

1033

By: fitz

11/14/2016 05:42PM

illuminationStarted by:Mike Potter, 10/07/2014 04:02PM
I think I've looked in all the usual
places - but I cannot find help for the
illumination task - even on this site.
As an example,

noao$twodspec/longslit/doc/illumination.hlp'

does not seem to exist. I'm using
PC-IRAF Revision 2.16.1 EXPORT.

...

1037

By: Mike Potter

10/08/2014 03:45AM

ERROR: integer divide by zeroStarted by:mnmaulana, 11/06/2016 06:43AM
Hi all,
i'm new to iraf. i'm trying to display
1-D image i made but when i use display
command i get this error "ERROR: integer
divide by zero", anybody know why i get
this error and how to fix it?

thanks,
mnmaulana

1039

By: fitz

11/14/2016 05:17PM

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/...

1041

By: KarolinaS

12/06/2018 10:53AM

Iraf imexamine task crash on macOSStarted by:kyika, 09/08/2018 12:02PM
I am currently using astroconda, pyraf,
and ds9 to process my image, and I meet
a bug very similar to this one :
https://iraf.net/forum/viewtopic.php?showtopic=1466317

The version of software as well as
hardware I am using is :
macOS High Sierra 10...

1044

By: kyika

09/08/2018 12:02PM

Host Script Help & QuestionStarted by:accrama, 01/22/2014 03:48PM
Hi everyone. I would really appreciate
your help.
I am doing a very simple host script to
run QPHOT.
I am having trouble loading packages.
(Running IRAF V 2.15.1a in MAVERICKS
10.9.1 in MacBook Pro)

The script asks for all the packages
needed for ...

1046

By: fitz

01/22/2014 05:39PM

IRAF Development Roadmap UpdateStarted by:Jason Quinn, 06/08/2015 10:20PM
The original IRAF Development Roadmap
was posted back on September 30, 2013.
It's now mid-2015 and approaching the
2016 change of development priority. Is
it possible to get an update on the
roadmap? For instance, which features
were chosen for develope...

1047

By: fitz

06/10/2015 05:20PM

Reading binary table imagesStarted by:massey, 07/06/2018 03:52PM
I have some images produced by the UKIRT
WFCAM pipeline. An example can be found
at:
http://www.lowell.edu/users/massey/w20171208_00206_sf_st.fit

I can load this image into ds9
standalone, but no matter what I've
tried, I can't access any of it usi...

1050

By: massey

07/19/2018 12:33AM

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...

1061

By: admin

07/19/2021 05:01PM

stitching four images into oneStarted by:massey, 08/21/2014 01:25PM
I'm using a CCD camera that reads out
through 4 amplifiers and (sadly)
generates four separate images: c1, c2,
c3, and c4, each 2048x2056. I'm writing
a simple pipeline for putting the pieces
back together into a single 4096x4112
image after removing t...

1061

By: massey

08/21/2014 04:12PM

memory usageStarted by:massey, 09/12/2014 04:59AM
I'm running a script to reduce some data
from Las Campanas, and I realized that
it was gobbling up all of my machine's
memory (32Gb) in a matter of a a few
minutes. (This is on one of the new Mac
Pro's running Mavericks; I see similar
behavior on my la...

1070

By: fitz

09/12/2014 08:22PM

REFSPEC IssuesStarted by:cac5280, 08/06/2016 03:06PM
Hello, there.

I am having some issues with REFSPEC.
When I try to run it, I keep receiving
the error "wrong aperture". I know the
reference spectra are
identified/reidentified, and I know that
they correspond to the target spectra
because I extract...

1076

By: cac5280

08/06/2016 03:06PM

Daophot PSF: star is outside the imageStarted by:hbarker, 10/20/2017 02:29PM
I'm trying to build a psf for an image,
and successfully run daofind, daophot
and pstselect. I have >1000 detected
stars in my field, and told pstselect to
choose 100, which it does fine. Hoever,
when I try to run psf, I get an error
for each star "Star...

1082

By: fitz

11/02/2017 12:53AM

segmentaton violation with 2-meter KP...Started by:daniela, 03/31/2014 07:23AM
Hello,
I am at the dome of the KPNO 2-m
telescope and have downloaded on my
laptop a bunch of images just obtained
with the
CCD camera (STA3) .
To much of my surprise, I can't read
these images in IRAF. No matter what
package I use, I get: `ERROR: ...

1083

By: fitz

03/31/2014 02:43PM

listing pixels in a circular apertureStarted by:nk, 01/16/2015 12:57PM
Hello

Is there any way in iraf to list pixels
in a circular aperture (defined by its
radius) ?

(as far as I know, "listpix" in iraf
allows to list pixels either for the
whole image or for a rectangular area)

Thank you

1086

By: fitz

01/16/2015 04:38PM

how to konw which stars have saturate...Started by:Matrix, 05/13/2015 09:28AM
Like the topic, when I want to know some
stars whether they have saturated the
CCD, what can I do?

1088

By: Matrix

05/23/2015 10:52AM

Binary missing from fitsutil in IRAF ...Started by:emma, 11/21/2013 09:59PM
Hi Mike,

Today I installed IRAF v2.16.1 on my
laptop (Mac OS X 10.8) and also
installed fitsutil (using make
fitsutil). However, I noticed that the
libmef.a binary was not included in the
bin directory in the fitsutil directory
(we need this binary t...

1092

By: emma

11/22/2013 03:23PM

Extremely large pixel valuesStarted by:fergusjm, 07/09/2015 03:46PM
Hello, I'm having a problem after
dividing my trimmed frames by the
response to the combined flat field.

# IMAGE NPIX
MEAN STDDEV MIN MAX
trim_26_1354 1890304
848.7 1204. -2591. 498...

1095

By: fitz

07/09/2015 06:15PM

How to create a accurate WCS with som...Started by:Matrix, 05/12/2015 03:18AM
Hello, everyone! Today I encounter a
second question: I found the WCS and
RA/DEC did not have a right
correspondence in my fits file. And this
cause a problem: when I want to know the
target star, I move the mouse to the
accurate RA/DEC (from the header...

1102

By: Matrix

05/13/2015 08:43AM

splot FEROS spectraStarted by:giannicatanzaro, 07/23/2013 08:10AM
Hi all

I downloaded FEROS spectra from the ESO
archive, but I have problem when I use
splot to see the spectrum.

Giving the command
splot
r.FEROS.2007-01-30T01:57:04.945.1051.fits[*,1]

I get a plot not calibrated in lambda
but in "position", start...

1103

By: giannicatanzaro

07/23/2013 08:10AM

FEROS DRSStarted by:giannicatanzaro, 04/09/2015 08:02AM
hello guys

I downloaded a FEROS tarball with data
like those ones:

r.FEROS.2006-06-20T04:16:45.241.1051.fits
r.FEROS.2006-06-20T04:16:45.241.1052.fits
r.FEROS.2006-06-20T04:16:45.241.1061.fits
r.FEROS.2006-06-20T04:16:45.241.1062.fits
r.FEROS....

1108

By: gmaravel

06/16/2015 04:19PM

xgterm/iraftermStarted by:sastanford, 05/13/2016 06:36AM
When running interactive tasks such as
apall or identify, most (but not all) of
the keystroke commands do not work
within the irafterm window. For
example, if I want to resize the display
area using "w" and then "e" the graphics
terminal recognizes the...

1122

By: sastanford

05/13/2016 06:36AM

Can't open files on mounted disksStarted by:dagorym, 06/03/2016 11:28PM
I have a computer that has 3 drives in
it. The first contains the operating
system and all it's associated
directories. The second two are mounted
as data drives off the root (/)
directory.

Iraf works just fine on files on the
system drive but when...

1128

By: fitz

06/04/2016 12:20AM

Problems with qphotStarted by:Giorgio, 10/29/2014 06:39PM
When I run qphot, I get this warning:
"Graphics overlay not available for
display device".

What does it mean?

Thanks
Giorgio

1135

By: fitz

10/29/2014 06:42PM

If a task is a script or executable?Started by:AndrewS, 11/28/2010 04:44PM
Can anyone tell me what is the easiest
way to find out if a task is a script
file or an executable program? ie. is it
possible to bring up a list of all tasks
that are script files?

I understand "help <taskname>
option=source" will bring up the s...

1138

By: fitz

11/28/2010 04:44PM

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