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imexam displayStarted by:Paul Alexander, 08/20/2006 05:30PM
Greetings...
I'm trying to make a single cut in
imexam using the 'v' key. The display,
however, will not appear (only the
unencoded text). The other imexam
features work fine. I know this is
probably a quick fix (some display
setting in some file), t...

2816

By: Paul Alexander

08/20/2006 05:30PM

USNO-B1.0 Catalog access?Started by:LBT_Dave, 08/21/2006 11:24PM
Is there any hook in iraf (specifically
in mscred/mscgetcatalog) for access to
USNO-B1.0 data like there is for the
A2.0? The obvious does not seem to
work.

Thanks, Dave (LBTO)

7349

By: LBT_Dave

08/21/2006 11:24PM

for focas standard test image resultsStarted by:Guest, 08/22/2006 11:04AM
Dear iraf stuff:

I'm student of National Astromomical
Obervatory of China.
Could I ask you some questions about
"focas standard test image results"?

I set up the IRAF external package
focas.
The example of FOCAS User's Guide can
be follo...

2203

By: valdes

08/22/2006 11:04AM

zerocombine in NOAO PC-IRAF Revision ...Started by:roopesh, 08/22/2006 06:52PM
Hello
I recently installed NOAO PC-IRAF
Revision 2.12.2a and running a normal
zerocombine gives the following error
message:

c> zerocombine
List of zero level images to combine
(*.fits):
ERROR on line 46: segmentation violation
zerocombine ()

...

2726

By: valdes

08/22/2006 06:52PM

IMDIFF/DIFIMPHOT.Started by:mairan, 08/22/2006 07:14PM
Hi!

When running the task IMDIFF from the
DIFIMPHOT package, I get the following
error message (obviously with the
d_trace command before executing the
task):

----- exec external task mimdif
-----

mimdif\ninput="wd1_h0040r"\nrefer=...

2774

By: valdes

08/22/2006 07:14PM

X11 window problemStarted by:kkwitter, 08/23/2006 03:52PM
I have a new Intel Mac Pro (but had the
same issue with my old G4): X11 can only
ever open one terminal window. Typing
"xterm," or "Command-N" or selecting
"Terminal" from the Applications menubar
does nothing. If the single X11 window
is closed for any...

2734

By: kkwitter

08/23/2006 03:52PM

doecslit and ecreidentifyStarted by:orsola, 08/24/2006 05:21PM
Dear iraf users and support, after
fiddling a lot and reading the
documentation for doecslit as well as
for echelle data reduction, I still do
not know how to retain control (ie,
interactivity) of the comp
*re*identification task within doecslit.

I red...

2992

By: orsola

08/24/2006 05:21PM

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.

11923

By: MartinS

08/25/2006 08:36AM

[Fwd: imcombine]Started by:Guest, 08/27/2006 12:31PM
I sent this email on June 19 but never
received any reply. In adition to
what stated at that time I must say that
when the average value of the
image is close to 0, so there are
positive and negative pixels, there is
no way to recover the result, as ...

2720

By: fitz

08/27/2006 12:31PM

DIFIMPHOT again.Started by:mairan, 08/28/2006 02:53PM
Hi.

I'd like to know whether someone knows
how to use the DIFIMPHOT package.

Cheers,
Mairan Teodoro

2686

By: mairan

08/28/2006 02:53PM

Question on a problem with IRAF Wavel...Started by:Guest, 08/31/2006 10:04AM
Hi,

I have encountered a problem while
reducing spectra with doecslit. The
problem appeared during the wavelength
calibration. This is the output at
that point.

ECREIDENTIFY: NOAO/IRAF V2.12.1-EXPORT
christip@dbs012 Wed 14:39:15
30-Aug-2006
Referenc...

2214

By: valdes

08/31/2006 10:04AM

(Fwd) Spectral QuestionStarted by:Guest, 08/31/2006 09:09PM
Hello IRAF:

A question about wavelength scaling of a
echelle star spectrum 'xyz'. I have
identified all the thorium comparison
lines in 'thxyz' with IDENTIFY and
legendre order 6, and these
identifications have gone into
'database/idthxyz'.
Then, afte...

2548

By: fitz

08/31/2006 09:09PM

How to create an artificial 2D image ...Started by:matilde, 09/05/2006 11:28AM
Dear Sirs,

I would like to create a 2D image for
which each line is a 1D image that
I already have.

I have search in 'artdata' but I have
not found the appropriate task.

Thank you very much.
Best wishes,
Matilde

2492

By: valdes

09/05/2006 11:28AM

Running psfmeasure from command-lineStarted by:yl, 09/05/2006 08:11PM
Hello,
I am trying to get obsutil.psfmeasure
run from command-line, in a non
user-interactive, non-graphic mode.

form CL, for following works 'almost
well' - it prints to the screen the
output results, but also opens a graphic
Tektronix window (myXY.t...

2803

By: valdes

09/05/2006 08:11PM

Question on order merging and standar...Started by:christip, 09/07/2006 01:42PM
Hi!

I've been trying a lot of time now to
achieve a uniform merging of orders in
echelle spectra. I have been using
scombine to do this. The output merged
spectrum has peaks or dips at the points
of merging of the orders. How can I
improve this?
Could ...

2694

By: valdes

09/07/2006 01:42PM

identify problems when run as Unix CL...Started by:dougmink, 09/07/2006 08:59PM
We're having strange interactivity
problems with identify when we run it
from
a CL script on the Unix command line.
All of the single-character cursor
commands work, except that 'm' doesn't
prompt for a wavelength. Rather,
it prompts and immediately r...

4004

By: fitz

09/07/2006 08:59PM

images.imutil.imstat fits a parabol...Started by:Guest, 09/12/2006 09:22PM
Hello,

Please help me be sure that I understand
how the mode
is derived by the images.imutil.imstat
task.

My read of the help file makes me think
that after
the final round of clipping, a histogram
is produced
and a parabolic curve is fit to the
hist...

3129

By: edsmith

09/12/2006 09:22PM

astutil and artdataStarted by:dbrenner, 09/13/2006 03:23PM
What site should I use to download these
packages?

thanks

5080

By: dbrenner

09/13/2006 03:23PM

imcombine crash with datacubes and of...Started by:callen, 09/18/2006 11:07PM
We have a user using NIFS generated data
cubes that reports this:

[quote:36f33522c0]The IRAF routine
imcombine will combine NIFS data cubes
that are not
shifted in Y (the second spatial
dimension); but hangs with any shift
in that dimension; e.g....

7812

By: fitz

09/18/2006 11:07PM

scombine missing in 2.12.2a hydra and...Started by:massey, 09/19/2006 03:58AM
Hi, Mike, Frank, etc---

I'm having a very peculiar problem
running dohydra on my Mac. I can't
swear that I've done this before.
Anyway, everything seems fine until it I
do the sky rejection. Then I get an
error message saying it can't find
scombine....

3457

By: massey

09/19/2006 03:58AM

S-distortion correction for 2D longsl...Started by:siloubser, 09/25/2006 02:28PM
Hi

How can I correct 2D images for
S-distortion correction? I can trace the
apertures with apall but then you have
to extract 1D spectra for it to extract
along the traced aperture. What I want
to do is output a corrected 2D image (to
feed into a code...

3147

By: valdes

09/25/2006 02:28PM

display doesn't send WCS info to ds9?Started by:rbroberts, 09/26/2006 09:47PM
I have a FITS image with WCS information
in the header, but that information
doesn't seem to be transmitted to ds9.
If I used xpaset from the command-line,
ds9 gets all the information.

Is there some setting I need to get
display to send everything?

...

3362

By: rbroberts

09/26/2006 09:47PM

changing data values with imshift and...Started by:bwp, 09/27/2006 04:32PM
I am attempting to analyze data from the
Hubble archives. At this stage, my goal
is to align and median combine 4 images.

I used the STSDAS task wfits to make a
standard FITS file of the image from the
planetary camera (I intend to deal with
the wide f...

4025

By: valdes

09/27/2006 04:32PM

hedit/hselect boolean query on imaget...Started by:rbroberts, 09/28/2006 03:11AM
I'm stuck trying to select a set of
images based on imagetyp which need to
have their imagetyp changed. I've tried
about every permutation of comparison I
can think of but consistently get this
error in every case:

[code:1:2373794b8e]ERROR: Imposs...

4943

By: fitz

09/28/2006 03:11AM

A Problem with DAOPHOTStarted by:salis, 09/29/2006 01:29PM
Dear IRAF people,

I am trying to use DAOPHOT with my CCD
observations.

But I get the error below when I run
daofind. Do you have any idea what this
error related with?

There was an old topic in the Forum I
found also concerns the same error. But
sol...

5030

By: fitz

09/29/2006 01:29PM

geomap surface2 coefficientsStarted by:footstyle, 09/29/2006 11:36PM
What do the coefficients of surface2 in
the *.db file produced by geomap
actually mean or act upon? I have
trawled through pyraf's documentation
and iraf.net questions to find
information about this, but have been
unable to reproduce the behaviour
sugge...

4438

By: footstyle

09/29/2006 11:36PM

iraftermStarted by:hbloemha, 09/30/2006 03:53AM
When I am in the digiphot.daophot
package of iraf and use the imexam
feature to view a radial plot of my
.fits image, the irafterm window opens
up correctly, displaying all the right
numbers, however the radial plot itself
does not show up at all.
Any...

6175

By: hbloemha

09/30/2006 03:53AM

tomultispecStarted by:kay, 10/02/2006 10:36AM
Hi

I am currently analysing STIS data and
have converted the STIS 1-D spectra from
FITS format to IRAF files using
TOMULTISPEC. Am I correct in assuming
that only columns with the wavelength
and flux will be included in the IRAF
files or can I have a ...

2305

By: valdes

10/02/2006 10:36AM

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...

12051

By: valdes

10/03/2006 08:43PM

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...

11274

By: starburst84

10/04/2006 03:55PM

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