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New version of the Gemini IRAF packag...Started by:emma, 01/05/2012 05:14PM
A new version of the Gemini IRAF package
(v1.11) has been released.

The package is available for download
at:

[url]http://www.gemini.edu/sciops/data-and-results/processing-software[/url]

Please note that this version of the
Gemini IRAF package do...

1409

By: emma

01/05/2012 05:14PM

"Image(s) are not two dimensiona...Started by:cosmologist, 12/30/2011 06:50PM
When I run apall for my images I get the
warnning:

Warning: Image(s) are not two
dimensional (ignoring higher dimensions)

How can my image be of higher dimensions
?!

Thanks!

2197

By: fitz

12/30/2011 06:50PM

how to extract only a line of informa...Started by:china_108, 12/25/2011 03:24PM
I forgot this command and couldn't find
it out. I need to extract only a line of
information, say the exposure time from
the header and write it into a plain
text file. What is that command?

Thanks a lot!

2262

By: AnTaR3s

12/25/2011 03:24PM

gsflat errorStarted by:donzelli, 12/22/2011 03:30PM
Hi, I've installed IRAF 2.14.1 on a
macbook with OSX 10.7.2.
I also installed Gemini 1.1.beta2
together with nmisc, gmisc and fitsutil.
After the struggle, I finally was able
to run the first routine: gsflat.
But my happiness lasted short since I
got th...

2285

By: emma

12/22/2011 03:30PM

apextract with more than 1000 aperturesStarted by:kanaan, 12/01/2011 06:23PM
hi All,

I am using apextract for IFU spectra.
We have 1300 fibers. I get the
keywords:

APNUM###

there is only three digits. In my case
it goes all the way to APNUM999

actually if I look at apertures around
100 I see:

APNUM100= '1009 1009 3098.03...

1595

By: valdes

12/01/2011 06:23PM

normalizing a spectrumStarted by:Labibah, 11/08/2011 02:00PM
Hello,

I have a few thousands of
multi-extension spectra and I am trying
to normalize them using the flux at
5100A -I want to take the average for
~100A around 5100A and use it for the
normalization.

I tried using noao.onedspec.continuum by
using the...

2370

By: massey

11/08/2011 02:00PM

Allstar output formatStarted by:jacom, 10/25/2011 09:02AM
Hi,

Can anyone please tell me where I will
be able to change the photometry output
format of allstar task to more decimal
digits.
I have already done that for the
aperture photometry output in the file
"apwres2.x" but cannot find the file
that writes t...

1796

By: jacom

10/25/2011 09:02AM

imcopy/copy protect bugStarted by:Jason Quinn, 10/24/2011 02:07PM
I noticed that doing an "imcopy" or a
"copy" on protected image does not copy
the protection even though the help file
for "protect" says, "File protection is
preserved when a file is copied or
renamed". At least at some point in the
past, copying the ...

3662

By: fitz

10/24/2011 02:07PM

agetim problemStarted by:vall, 10/05/2011 09:35AM
Hello,

recently I have been unable to use the
agetim command with IRAF 2.14. No image
is downloaded and a short error message
is saved instead of FITS image:

[quote:5bde04e0b7]
<!DOCTYPE HTML PUBLIC "-//IETF//DTD
HTML 2.0//EN">
<html><h...

8114

By: fitz

10/05/2011 09:35AM

Deleting points in the wavelength cal...Started by:cosmologist, 09/12/2011 04:42AM
In the data reduction manuals when
talking about the wavelength calibration
step, it is mentioned that when doing
the fit, if some points are really far
away from the horizontal line one should
simply delete them... but I don't
understand what that mean...

2596

By: favilac

09/12/2011 04:42AM

nstar grp and psgStarted by:azangari, 09/02/2011 03:14PM
In my (or perhaps everyone's) version of
daophot, I get .psg file as output from
running psf. However, nstar's default
group file input is .grp. I have had no
trouble manually inputting the psg file,
but would like to know if I can modify
either psf o...

2366

By: azangari

09/02/2011 03:14PM

Logarithmic wavelength axis: problems...Started by:pweilbacher, 08/22/2011 04:41PM
Dear all,

is IRAF splot supposed to be able to
read log-resampled spectra properly? I
created some with my own software and
found that splot displays what I think
are wrong wavelengths. It could be that
I understood the FITS WCS papers
(especially "Rep...

3113

By: valdes

08/22/2011 04:41PM

psf: Analytic function solution faile...Started by:ping, 08/12/2011 04:48PM
Hello,
I am running task
psf under daophot

For most of the images is runs fine.
But for a couple of images, it took
unusually long time and at the end it
failed, with a message:
"Analytic function solution failed to
converge"

What does it mean? How...

2089

By: ping

08/12/2011 04:48PM

pstselect ERROR: segmentation violationStarted by:ping, 08/11/2011 07:44PM
Hello,

I saw this old post:

> we seem to have a problem in some
of the Daophot routines
>for some time. Namely in the
routines "pstselect" and "psf" the error
>"segmentation violation" quite often
occurs, especially when using
>wildcards ...

1704

By: ping

08/11/2011 07:44PM

ccdproc error processing flatStarted by:jdm, 08/05/2011 01:56PM
Hi,

I'm trying to run ccdproc to process my
object frames, and it is failing with
this error:

ERROR: Error processing Dflatu.fits
"grow=grow)"
line 325: mscsrc$ccdproc.cl
called as: `ccdproc (mode=h)'

Here are the parameters of ccdproc th...

4936

By: valdes

08/05/2011 01:56PM

Imexamine graphics window text outputStarted by:mdykhuis, 08/01/2011 09:14PM
Hi,

Is there a straightforward way to save
the data that goes into the graphics
window line plots (created by the 'c',
'l', or 'u' commands) to a file? I've
been searching these forums, but I've
only found the PRADPROF function which
saves radial profi...

3174

By: Jason Quinn

08/01/2011 09:14PM

Gmos reductionStarted by:donzelli, 07/29/2011 12:08PM
Hi,
I reduced gmos (mos mode) data following
the example included in the Gemini
package and I have some questions about
the results I get.
After gsextract one could expect to get
1-d spectra in the resulting image.
In other words, if you do imhead
image...

4831

By: emma

07/29/2011 12:08PM

Problems installation of TABLES &...Started by:Peter_IRAF_User, 07/25/2011 09:41AM
Dear all,

on my OpenSuSE v11.3 laptop IRAF is
installed (Revision 2.15.1a). Now I
wanted to add the TABLES and STSDAS
packages (both the present-day versions
3.8: first extern.pkg changed, then
TABLES installation, then STSDAS
installation), following ...

6802

By: fitz

07/25/2011 09:41AM

guiapps/spectool problemsStarted by:Alida, 07/19/2011 08:42PM
Hi

I am running IRAF V2.15.1a on Ubuntu
10.04 (64 bit), and I am trying to
install the guiapps package. I tried
using the "Dynamic External Package
Loading" by typing

% sudo make guiapps

in my external package directory, which
is /iraf/iraf/extern/....

3534

By: Alida

07/19/2011 08:42PM

Problem usung Splot to analyze a FITS...Started by:surfcast23, 07/19/2011 03:18AM
Hi,
When I try to use splot to analyze a
fits file I get a weird output of
numbers and letters. I think I maybe
missing something to properly display
the FITS image. Any help would be
greatly appreciated. Thanks

[code:1:eb1bf6a056]onedspec> spl...

3531

By: fitz

07/19/2011 03:18AM

Ellipse/Bmodel Surface PhotometryStarted by:csblack, 07/14/2011 08:18PM
Hey,

I'm attempting to learn how to do a bit
of surface photometry using
[i:660d41b815]ellipse[/i:660d41b815].
After running
[i:660d41b815]ellipse[/i:660d41b815], I
run [i:660d41b815]bmodel[/i:660d41b815]
on the output table created. Based on
the var...

2681

By: csblack

07/14/2011 08:18PM

problem with imal2Started by:rwatkins77, 07/14/2011 06:45PM
Hi,

I am trying to use imal2 from the vaphot
package. I have the variable shifts
set to a filename ("shifts.dat") and I
have updates=yes. However, when I run
imal2 I always get the following error:

ERROR: cannot open `shifts.dat' for
writing
"p...

2251

By: fitz

07/14/2011 06:45PM

Which comp file wih which object?Started by:cosmologist, 07/13/2011 11:01PM
I am doing the step of the wavelength
calibration of the data reduction.
In the manual (A User's Guide to
Reducing Slit Spectra with IRAF) it is
mentioned that the first step is the
extract a comparison spectrum from the
object.
I am not sure which com...

2733

By: massey

07/13/2011 11:01PM

ImplotStarted by:tsaab, 07/12/2011 03:28AM
I want to compare two images using
implot. Is there any way to display
both images in the same implot window?
I can display separate plots in
different windows, but it does not help
out as much.

1403

By: fitz

07/12/2011 03:28AM

How to install tfinder?Started by:ping, 07/11/2011 03:28PM
Hello,

I have CCD images from CTIO Yalo-1m
telescope. They only have telescope
pointing but no astrometry solution for
the image itself. Can tfinder make the
astrometry solution for the images? If
so, where do I get the tfinder?

Thanks,

Ping

2445

By: ping

07/11/2011 03:28PM

is it possible to adjust the intensit...Started by:china_108, 07/10/2011 03:58PM
I generated a psf using the psf task and
I need to adjust its intensity to apply
it to an over-exposed star. Is it
possible to do it in iraf?

1320

By: valdes

07/10/2011 03:58PM

digiphot photcal fitparams segmentati...Started by:jthorstensen, 07/08/2011 06:34PM
Hi (Mike, probably),

I have a newly installed IRAF 2.15.1a.
I'm trying to run fitparams, and getting
a segmentation violation. In the
discussion with marblestation dated
April 18, it looked as if you'd found a
bug that produced this behavior, but
the...

1913

By: fitz

07/08/2011 06:34PM

Two spectrophotometric standardsStarted by:jsm, 06/29/2011 04:49PM
Hello,

I would like to flux calibrate a
spectrum using the data of two
spectrophotometric standard stars (one
red and one blue).

I was able to create two flux files, one
for each star, using the task
"standard". I could obtain the
sensitivity function...

2950

By: valdes

06/29/2011 04:49PM

better than rspectext - no constant stepStarted by:rp, 06/29/2011 09:50AM
Hello everyone.

I have to pass from ascii (flux,
wavelenght) to fits for worknig in iraf
with this spectrum.

I am using rspectext.

The point is the step (difference
between one wavelenght and the next one)
is not fixed through the whole spectrum
we h...

1421

By: rp

06/29/2011 09:50AM

msctpeak and ds9 and OSXStarted by:long, 06/29/2011 12:26AM
I am having a problem with msctpeak (in
Iraf 2.14) and ds9 processing MiniMo
data from WYIN when I try to run this
from my Mac laptop (SnowLeopard).
MiniMo as you may recall produces file
with 4 extensions.

What happens when msctpeak starts is
that th...

1215

By: long

06/29/2011 12:26AM

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