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Compiling fortran task on cygwin/winxpStarted by:iwold, 12/07/2006 06:26AM
Dear Mike,

Thank you for all your help. I am
trying to compile a fortran task named
photstand.f I am attempting to follow
procedures laid out in previous forum
topics with no success. This is what I
have done:

[code:1:c0f39aee2d]csh
>setenv ira...

8475

By: iwold

12/07/2006 06:26AM

Can't get Xgterm (and implot) to workStarted by:Gaba_p, 10/10/2008 11:49PM
Hello,
I've installed IRAF v2.14.1 in my Fedora
9 (running on VMware). I've installed
v1.5 of X11iraf, my xgterm is in
/usr/local/lib/. My "login.cl file"
reads: "stty xgterm". So here's the
thing:
1)When I start IRAF (typing cl), this
first error appea...

8560

By: Gaba_p

10/10/2008 11:49PM

Problem with hselect?Started by:massey, 02/10/2006 06:40PM
We think we may have found a bug in
HSELECT's string comparison operator
"?=" .

Consider the following:

cl> hselect *.fit $I,i_title yes

img01.fit Tr14
img02.fit Tr14
img03.fit Tr14
img04.fit Tr16
img05.fit...

8579

By: sebastian

02/10/2006 06:40PM

Bug using Fxcor Sinc function to fit ...Started by:baddison2005, 11/27/2013 06:23AM
Hi All,

I'm having some difficulties with using
the sinc function to fit the
cross-correlation function in Fxcor. I
wrote a script in pyraf to process a
bunch of spectra and produce radial
velocities with Fxcor. I have no issues
if I use the other fi...

8670

By: baddison2005

03/30/2014 04:39AM

fxcor/afftrr/npix power of 2 bug: is ...Started by:malte, 04/21/2006 03:33PM
I've run into exactly the problem
described in
[b:010c9b56cb][URL=https://iraf.net/phpBB2/viewtopic.php?t=80604]fxcor/afftrr
bug: npix limited to
16384[/URL][/b:010c9b56cb] - fxcor
crashes when I hit 'f' to enter Fourier
mode and complains that npix is ...

8685

By: fitz

04/21/2006 03:33PM

mkpkg woesStarted by:massey, 10/15/2007 03:56PM
I'm trying to install the external
package rvsao on my Intel mac.
However, when I go to do the mkpkg there
is a program
"writetemp.f" that won't compile:

In subroutine `tmpwrf':
writetemp.f:139:
if (.not.(debug .eq.
.true.)) goto 130
...

8886

By: fitz

10/15/2007 03:56PM

problem with SPLOTStarted by:giannicatanzaro, 03/08/2011 11:57AM
I recently installed version 2.15 64bit
and I get this error when I try
to SPLOT an image:

echelle> splot LJHB0004
Image line/aperture to plot (0:) (1):
ERROR: Pixel subscript out of bounds
(LJHB0004)

can you give me some help?

thanks

Gianni

8924

By: nancy-mac

03/08/2011 11:57AM

Astro::IRAF::CLStarted by:tgbotg, 11/13/2007 06:19AM
Does anyone here use Astro::IRAF::CL? I
tried using the CPAN forum for that Perl
module without any replies. Here's what
I posted on that forum:

[quote:b1429b1c65]
Any ideas on why I can't create a .coo
file from daofind or a .mag file from
phot? I'v...

8994

By: fitz

11/13/2007 06:19AM

Problem DarkcombineStarted by:Lianne, 11/24/2008 09:27PM
Hello,

I'm trying to combine a set of 15
darks. I have written them to a text
file called dark.list. I get this error
when I used the darkcombine command.

ccdred> darkcombine @dark.list
)arning: Cannot open image (Dark001.imh
)arning: Cannot op...

9090

By: robsteele49

05/13/2017 05:03AM

Problem installing tfinder on a MacStarted by:massey, 03/08/2006 06:03PM
I'm having two problems installing
tfinder on my G5 Mac.

The first is that when I tar -xvf the
finder-bin.macosx.tar file the only
thing it installs in the bin.macosx
directory is "OBJS.arc.Z"---there does
not seem to be a x_finder.e
The result is that...

9192

By: seaman

03/08/2006 06:03PM

Task ls stopped workingStarted by:Gaba_p, 12/15/2008 05:20PM
Hi,

this is really strange, the task "ls"
(to list files and directories) stopped
working. It does nothing, no error, just
nothing... The "dir" command works, but
it's not the same since it doesn't
display the full name of files (i.e, a
file with a lon...

9219

By: Gaba_p

12/15/2008 05:20PM

fitcoords giving unrealistic resultsStarted by:kkwitter, 11/27/2006 12:07AM
My longslit spectra tilt by ~10 pixels
from blue to red. When I use fitcoords
(as I have for a long time) after
identify and reidentify work normally,
the results are unrealistic. For
example, the fitcoords xy pixel map is
bizarre: there are 341 rows in...

9290

By: kkwitter

11/27/2006 12:07AM

PANIC ... Memory has been corrupted...Started by:ping, 01/19/2007 07:56PM
Hello,

I try to run an IRAF/daophot/allstar
job. The job takes just 1Gb memory.
The Linux machine I am using has much
more than 1Gb free memory. But job
always die with the error:

PANIC in
`/opt/IRAF2.12/iraf.pkg/noao/bin.redhat/x_daophot.e':
Memor...

9547

By: ping

01/19/2007 07:56PM

Error cannot open deviceStarted by:rwatkins77, 06/07/2011 09:56PM
I successfully installed IRAF and ds9 on
my Mac Pro (Mac OSX 10.5.8). Both
programs work fine independently, but I
can't get IRAF to talk to ds9. When I
try the display task I just get "ERROR:
cannot open device
(node!imtool,,512,512)". I am sure
t...

9929

By: fitz

06/07/2011 09:56PM

Any way to make ds9 save *complete* R...Started by:raybutler, 04/28/2009 04:28PM
Hi,

I have discovered that I can
automatically make perfectly
colour-balanced RGB composites in ds9 -
much better than even my old
statistics-based scripts which used
color.rgbsun. For my particular data,
setting scale to (sqrt, 98%) for all 3
channels...

10014

By: paco

04/28/2009 04:28PM

Image display error.Started by:cdelacruz, 02/21/2006 07:41PM
When issuing a command to display an
image, I receive the following error:

ERROR: Cannot open device
(node!imtool,,512,512)

DS9 is available as a view but are there
specific settings that need to be
modified in order to have ds9
communicate with IRAF?...

10170

By: cdelacruz

02/21/2006 07:41PM

S/N per pixel spectrumStarted by:paulartcoelho, 10/17/2006 07:08PM
hi there,

this should be obvious, but i confess
i'm confused.

i extracted a longslit spectrum using
apall, and did variance weighting,
extracting the extras spectra (raw,
background and sigma).

i need to obtain a kind of "S/N per
pixel spectrum as a...

10398

By: ozbasturk

10/17/2006 07:08PM

mscred/ccdproc problemStarted by:vicky, 01/05/2006 09:34PM
Hi,

I am using mscred/ccdproc for data
reduction of some binned data, but the
values of CCDSEC and DATASEC are
different in the headers. When I tired
to run zerocombine/ccdproc, I got the
fellowing error message:
[quote:a43f52d606]
ERROR on line 491: S...

10398

By: valdes

01/05/2006 09:34PM

getheadStarted by:cosmologist, 04/01/2009 07:16PM
I am trying to use gethead command in my
xgterm , but it always give me an error
message: "task gethead not found"!
:cry:
Any idea why?

10574

By: fitz

04/01/2009 07:16PM

imcombineStarted by:Guest, 06/19/2006 04:36AM
Dear Iraf expert,

I happened to notice that the option
"scale" in imcombine does not
produce the correct sigma image when the
input images have negative
counts. Using scale=none, median or mean
I always obtain the same result
as sigma image. The sam...

11180

By: pskoda

06/19/2006 04:36AM

determination of equivalent widthsStarted by:Guest, 10/04/2006 03:55PM
Dear Sir or Madam,

my name is Martin Tafelmeyer, I am a PhD
student at EPF Lausanne. I am using
IRAF to determine equivalent widths of
spectral lines for metallicity
determination.
To automatize the procedure I created a
cursor file containing the line...

11278

By: starburst84

10/04/2006 03:55PM

Biassec and trimsec ccdproc errorStarted by:FSBoyden, 06/27/2007 01:14PM
Hi all

Hope you can help me on this one.

I have the Biassec and Trimsec defined
in the fits headers of my data. Example:

[code:1:78359e8fd8]
BIAS_001.fits[385,576][ushort]:
Bias
No bad pixels, min=0., max=0.
(old)
Line sto...

11472

By: FSBoyden

06/27/2007 01:14PM

gsreduceStarted by:donzelli, 06/07/2011 12:46PM
Hi,

I received a month ago my first set of
Gemini observations. This is GMOS
spectra in MOS mode. My first surprise
was that I did not find a cookbook or
similar to reduce the observations. The
second surprise was that the Gemini help
desk does not wor...

11894

By: donzelli

06/07/2011 12:46PM

splot: save in a fileStarted by:ebru, 08/25/2006 08:36AM
after drowing a graph in splot i can not
save this plot in a file,
how can i do this.

11940

By: MartinS

08/25/2006 08:36AM

apall problems w/ coordinate system:o...Started by:paulartcoelho, 10/03/2006 08:43PM
hi there,

I have a set of GMOS (Gemini) longslit
spectra. I reduced them using Gemini
package, up to wavelength calibration
(gstransform). From now on I want to use
noao package to extract the apertures
(apall). Because gemini fits has a
specific forma...

12053

By: valdes

10/03/2006 08:43PM

IMCOMBINE wcs offsets: errors larger ...Started by:keflavich, 03/02/2009 08:53PM
I'm using imcombine to stack a number of
frames with Galactic WCS coordinates
specified. The individual frames align
perfectly (using DS9 to check on
alignment) but when combined there is a
large offset in the Y direction. There
is a <1 pixel offse...

12443

By: keflavich

03/02/2009 08:53PM

Creating lists from header infoStarted by:Duncan, 05/19/2010 09:14PM
I have been trying to make lists of
object images, bias images, and skyflat
images so I can run batches. I have
been having issues making lists quickly
using the header information. Is there
a way to sort and/or create a list from
information from the...

12755

By: fitz

05/19/2010 09:14PM

Error calculated by photStarted by:fsidoli, 10/19/2007 01:44PM
Hi,

I'm not sure I understand how the errors
phot reports are calculated.
The following is given in the help
pages, but I do not see how "error" is
derived from "flux". Could you enlighten
me? Or do you know of anyone who
can?

flux = sum - area * ...

13280

By: dschumac

10/19/2007 01:44PM

64-bit apall gives memory fwa corrup...Started by:Paul Kerry, 02/20/2012 09:47AM
Hi

One of our users has come across a
problem when using certain parameters
within noao.twodspec.apextract.apall on
64-bit linux.

When running...
apall WUma-010.fit weights=variance
pfit=fit2d

at the subsequent
"Review extracted spectra from
WUma-10?...

13970

By: FSBoyden

02/20/2012 09:47AM

ecreidentifyStarted by:Guest, 11/22/2006 07:18PM
Hi,

I have a question about the IRAF task
echelle.ecreidentify that I have been
unable to find an answer for anywhere so
I hope you can help. I am using the
task to calculate a zero order shift in
the wavelength solution and this works
OK. The only pro...

14639

By: fitz

11/22/2006 07:18PM

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