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helpStarted by:Guest, 02/23/2006 01:24AM
hello...
Iam Martha Bello, and i am a master
student at INAOE, i have a question
about
the task GAUSS. The task convolves a
spectrum with a gaussian, in the
parameters
that this task need are the sigma of the
the gaussian but in pixels, how i do
this?, ...

3696

By: fitz

02/23/2006 01:24AM

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?...

10171

By: cdelacruz

02/21/2006 07:41PM

mscred, ccdtype in zerocombineStarted by:llevy@physics.unc.edu, 02/17/2006 02:29PM
Hi, I can't get zerocombine to run
properly using mscred. In the fits
header, I've tried changing imagetyp to
'bias, zero, BIAS, ZERO' and same with
the ccdtype in the zerocombine task. The
only way I can get the task to think a
while is if I leave the ...

3069

By: llevy@physics.unc.edu

02/17/2006 02:29PM

Use of ccdlist command in mscred packageStarted by:Guest, 02/16/2006 06:10PM
Dear help;
I can't get ccdlist to recognize or
report the 'ccdtype' aka 'imagetyp'
on fits images. I notice in F. Valdes'
'help page for mscguide'
paragraph 3.3 he states that the task
is specialized and provides a
description of the name...processi...

3489

By: valdes

02/16/2006 06:10PM

PC-IRAF V2.12/Suse 10.0problemStarted by:Guest, 02/16/2006 11:19AM
I have started using PC-IRAF V2.12 on a
Linux machine (Suse 10.0),
and find a problem using
daophot/allstar

*** glibc detected *** free(): invalid
pointer: 0x8f62202e ***

In a script the usage was this:

i=1
allstar (image="fakeImage00"//i//".imh",
...

6315

By: butlerdj1

02/16/2006 11:19AM

bug in imcombineStarted by:callen, 02/15/2006 08:28PM
hi all... I guess this is the place to
make a bug report?

I have found a problem in imcombine, I
have been trying to track it down as I
found it in a copy of the imcombine code
(which I compiled to a library in order
to use from another task). But the...

7605

By: callen

02/15/2006 08:28PM

temden task problemStarted by:Guest, 02/14/2006 04:57PM
Hello,

I have a problem with the iraf task
temden in stsdas.analysis.nebular. The
density calculation works fine but the
temperature calculation always fails
after 2 iterations, even after trying it
with carbon I, sulfur II and nitrogen
II. Typica...

4153

By: shaw

02/14/2006 04:57PM

imlintranStarted by:raa, 02/14/2006 04:58AM
Hi,

I am new to IRAF. I have to deproject a
disc galaxy. From literature it seems
that the task "imlintran" is capable of
doing it. Now the help file gives that
the transformation is:

xt = xt * cos (xrotation) - yt * sin
(yrotation)
yt = xt * sin (yro...

3827

By: fitz

02/14/2006 04:58AM

"merge amps" in mscredStarted by:Edward Olszewski, 02/13/2006 06:32PM
I am running IRAF 2.12.2a.
Merge amps in ccdproc in mscred simply
does nothing.

At the Steward 90" we are running
2.12.2.
Merge amps works.

Was there a bug fix or patch that was
needed?

ed olszewski

5631

By: Edward Olszewski

02/13/2006 06:32PM

nfit1dStarted by:lyra, 02/13/2006 10:24AM
Is there a way to iteratively fit the
same function (all the user parameters
remains the same) using nfit1d to a set
of tables containing 2 columns (x,y)?
-Raa.

5150

By: raa

02/13/2006 10:24AM

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...

8583

By: sebastian

02/10/2006 06:40PM

Memory problems in mscred.combineStarted by:dougmink, 02/07/2006 03:47PM
We have just updated our pipeline
computers from 2.12 to 2.12.2a and
are running out of memory when combining
images which are scaled
or combined with anything but a sum or
run in any reject mode. Is there
a buffer size parameter the default
value of w...

4449

By: valdes

02/07/2006 03:47PM

make the cl not complain about files ...Started by:sirmarcos, 02/07/2006 01:39AM
Hello,

So, I write a wide range of iraf cl
scripts and one thing I often do is use
hselect to create file lists. So
something like:

[code:1:1a2b708aa5]hselect *.fits $I,
expr="imagetyp == 'object'"
> object_list
[/code:1:1a2b708aa5]
Howe...

3805

By: fitz

02/07/2006 01:39AM

xguiphotStarted by:Guest, 02/06/2006 05:01PM
When I try to run xguiphot on a Suse
linux distribution using xgterm, it
doesn't display the image but all the
function run correctly, so if for
example i have to do photometry on a
star i have first to read the
coordinates with ds9 and then search the
...

4763

By: fitz

02/06/2006 05:01PM

noao.digiphot.daophotStarted by:uhiller, 02/06/2006 10:03AM
Dear all,
we have iraf-2.12.2 on SuSE Linix 9.x
and 10.0.
Everything works fine.

But when using imexam in iraf
(noao.digiphot.daophot) with a fits
image,
this is the answer when pushing the "r"
on the image:

d7B%d6_%d7E%a9F%g9F%d9F%d9C%d9I%c8R%i8R%f8R...

3762

By: fitz

02/06/2006 10:03AM

Error in dark subtractionStarted by:Lorrie, 02/02/2006 07:21PM
I've just started learning to use IRAF
to process images. Everything was
working fine until I tried to perform a
dark subtraction with ccdproc. I got the
error message "HDMGETR: No value found"
and for the life of me I can't figure
out what's wrong. Thi...

4145

By: fitz

02/02/2006 07:21PM

geotran/gregister issuesStarted by:pyrafuser, 01/31/2006 04:02AM
Hi! I'm trying to automate LRIS
multislit spectra reduction, and I'm
currently working on line
rectification/wavelength calibration.
The AUTOID task has not been successful
in any of the attempts I tried, so I
wrote a python task that identifies
lines a...

5465

By: valdes

01/31/2006 04:02AM

Correcting Row Offsets?Started by:joshw, 01/29/2006 10:23PM
I've got some images which suffer from
time variable noise which offsets each
row of pixels by a small amount from the
rows above and below it. The noise can
be corrected in most cases by adding a
small offset to each row such that the
median of the ro...

6402

By: joshw

01/29/2006 10:23PM

DohydraStarted by:mzimer, 01/20/2006 04:57PM
I have a problem concerning dohydra.

I use the following version of IRAF:
NOAO PC-IRAF Revision 2.12.1-EXPORT and
after I CCDPROC'ed all the files and
want to use dohydra, I get the following
error message :

ERROR on line 69: Aperture reference
sp...

3771

By: valdes

01/20/2006 04:57PM

how to rotate orientation of WCS syst...Started by:jh, 01/19/2006 10:08PM
Hello, iraf users,

I feel so dumb about myself for not
knowing all those paramters in fits
header after having used IRAF longer
than 7 years.

Anyway, I've been dealing MIMO images
and somehow, orientations of RA and DEC
are just opposite to where the...

3751

By: valdes

01/19/2006 10:08PM

PANIC in `x_tv.e': Memory has been co...Started by:ziby, 01/19/2006 11:35AM
Dear all,
I have the following problem ovarlaying
a mask on a displayed image.
When I run a command like this:
display (image=image.fits[0], frame=1,
bpmask=, bpdisplay=none,
overlay=tmp$mask.pl, ocolors=green,
zscale=no, zrange=no, z1=475., z2=712.)
th...

3943

By: fitz

01/19/2006 11:35AM

Passing arrays to SPP "tasks"Started by:, 01/18/2006 06:37PM
I have compiled the function center1d as
a standalone executable to be run in
PyRAF (my purpose for doing this is that
I'd like to know what "centroids"
autoidentify will find prior to running
the task). However, I am having trouble
determining how to c...

3438

By: fitz

01/18/2006 06:37PM

ximtool and colorsStarted by:RobSwaters, 01/13/2006 04:02PM
Let's start with the good news: with the
help of previous posts on this site I
have managed to get ximtool working
properly. For me, the trick was to start
the a vncserver -depth 8 :1 (on my 24
bits display), then vncviewer :1, and
display ximtool in di...

3742

By: RobSwaters

01/13/2006 04:02PM

invert transformStarted by:, 01/12/2006 03:02AM
Is there an IRAF task to invert a
transform found using
fitcoords/transform?

Also, how do I decipher the values
stored in the fc[filename] files?
Performing an xorder=3, yorder=2
Chebyshev fit on a 2036x2046 image
yielded the following in my
fc[filenam...

5015

By: fitz

01/12/2006 03:02AM

Where are LTV and WAXMAP header cards...Started by:wentzel, 01/12/2006 01:11AM
Hello, IRAFers!

I'm rewriting some old code for GONG at
NSO to speed up its operation, and I'm
trying to figure out what IRAF routines
are writing some particular header cards
in an image. The header cards being
written are:
[color=red:762a35754e] WC...

5024

By: wentzel

01/12/2006 01:11AM

about dispersion axisStarted by:valdes, 01/10/2006 06:24PM
[b:ec1587df6e]From:
[/b:ec1587df6e]"Janaka Adassuriya"
<adassuriya@accmt.ac.lk
([email]adassuriya@accmt.ac.lk[/email])>
[b:ec1587df6e]Date:
[/b:ec1587df6e]January 9, 2006 3:50:24
AM MST
[b:ec1587df6e]To: [/b:ec1587df6e]"Frank
Valdes" <valdes@no...

4239

By: valdes

01/10/2006 06:24PM

strfits - segmentation violationStarted by:Wendy Roberts, 01/09/2006 08:20PM
The following segmentation violation
occurs under both Solaris and Linux
(IRAF v12.2.2). Can anyone shed some
light?

ymir% cd ~/iraf
ymir% setiraf
ymir% cl
Word too long
ymir% csh -f `which cl`
cl> cd
/data/mimir0/gaetz/data/HST/t1
cl&...

3928

By: fitz

01/09/2006 08:20PM

quickone on nfit1dStarted by:favilac, 01/07/2006 01:21AM
How can i fit a function (in the form of
a-b*x**1/c), using this task?
I've been looking for examples on this,
with no luck.

Thanks!

3761

By: fitz

01/07/2006 01:21AM

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...

10400

By: valdes

01/05/2006 09:34PM

dispcor task failedStarted by:naz, 12/29/2005 01:41AM
An error messege appeared when I run the
dispcor task :

Error: parameter 'blank' not found
dispcor ( )

Why is that happened?How to fix this?

Thank you on your concern.

Naz

6279

By: fitz

12/29/2005 01:41AM

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