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still having problems with fixpix in ...Started by:Sean, 07/11/2007 02:51AM
Hi,
I have been trying to fix several
features on a flat frame, which move due
to flexure in the telescope and hence
cause spurious positive features when
they are applied to an image, with the
task fixpix. I have an badpixel mask
that I generated wi...

5267

By: fitz

07/11/2007 02:51AM

Question about IRAF LicensingStarted by:Guest, 07/11/2007 01:02PM
Hi,

I want to politely ask...

If IRAF is free as in 'free beer'...why
is not free as in 'free software' too?

Best regards
Carlos de la Cruz Pinto

2328

By: fitz

07/11/2007 01:02PM

cl ScriptStarted by:craigswenson, 07/11/2007 06:28PM
I've been searching the forums, but
can't find an answer to my question.
I'm writing several cl scripts and would
like to know if it is possible to enter
a carriage return command into my
script.

I'm using DAOPhot and after almost every
command I run,...

4233

By: fitz

07/11/2007 06:28PM

Finding FWHM in IRAFStarted by:piverson, 07/11/2007 09:09PM
I am looking for a way for IRAF to
determine the average FWHM per night. I
could do this by hand but if it is
automated I can script it. Any advice
on how to approach this?

Thanks

-Paul

10156

By: fitz

07/11/2007 09:09PM

yet another psf questionStarted by:patB, 07/11/2007 09:23PM
Does it make sense to do psf photometry
when the only stars without nieghbors
within the fitting radius also have no
neighbors within the psf radius. The
goal is to reduce an image of M51 to get
the magnitude of a supernova within, but
the only candida...

3039

By: patB

07/11/2007 09:23PM

perplexed my mscred definitionsStarted by:sirmarcos, 07/11/2007 10:18PM
So, someone contacted me recently
getting the old

[code:1:d7cde1a375]cannot open connected
subprocess
(mscdisplay$x_mscdisplay.e)[/code:1:d7cde1a375]

error, relating to running mscred on
MacOS X intel. So, i went through the
standard problem...

3640

By: sirmarcos

07/11/2007 10:18PM

Photcal transformationsStarted by:Fenris, 07/12/2007 03:22PM
I have been exploring the photcal
package and attempting to make a good
fit for a set of five standard stars.
I've applied mkimsets, mkapfile,
mkconfig, mknobsfile, mkcatalog,
fitparams and invertfit in roughly that
order. However, the output of invertf...

3905

By: Fenris

07/12/2007 03:22PM

task errors in OSXStarted by:Guest, 07/12/2007 05:24PM
Hi - I am trying to run a simple task
in Mac OS X iraf. I used to
do this all the time
in Unix, but for some reason, it is just
not working at all.

I attach the script. I am defining the
task in my login.cl as follows:
task $unpack = /Users/julia/...

2249

By: fitz

07/12/2007 05:24PM

Redhat 64-bit and xgtermStarted by:jhargis, 07/12/2007 07:28PM
All -

I had no problems getting IRAF installed
under Redhat Enterprise V5 (64-bit).
However -- like others have noticed -- I
cannot seem to get xgterm to run.

I downloaded the RedHat binaries (both
1.3 and 1.5 DEV)and I get the error:
[b:bbb0a416de]x...

7443

By: fitz

07/12/2007 07:28PM

Replace by fitStarted by:mv1612, 07/13/2007 07:56PM
Hi,
I'm fitting single line profiles by
gaussians (k keystroke in SPLOT). Now,
for a certain reason, after the fitting
I need to [u:0bb51f721f]replace the
profile by the fit[/u:0bb51f721f], not
to subtract the fit. I can't find any
way to do it. Maybe i...

4014

By: fitz

07/13/2007 07:56PM

mkpkg: command not foundStarted by:lcrews, 07/16/2007 10:31AM
I today installed the latest cygwin on
my Windows XP laptop. I am trying to
install the xdimsum package following
the installation instructions on
http://iraf.noao.edu/iraf/ftp/iraf/extern/xdimsum020627/xdimsum.readme

When I get to the mkpkg command, ...

3703

By: fitz

07/16/2007 10:31AM

FWHM in a different direction?Started by:amoldowa, 07/16/2007 07:07PM
Hello,

I'm relatively new to IRAF, so hopefully
this question hasn't been asked a
million times!

I'm looking at star-field images from
CFHT. I have a bunch of candidate
objects that are potentially asteroids
or comets. Their long axes (along
direction...

2337

By: fitz

07/16/2007 07:07PM

Install problemsStarted by:chris, 07/17/2007 05:14AM
Mike,

Ran ./install -n and everything worked
fine, except I got a fail message on:

Editing Paths

Cannot find the iraf .cshrc file
Cannot find the iraf .login file

Everything else worked.... So what do I
do to fix this?

Thanks,
Chris :D

2094

By: fitz

07/17/2007 05:14AM

Causing a Param. file look for its va...Started by:piverson, 07/17/2007 05:39PM
I am wondering how to cause a parameter
file to look for its value in the header
of the image. Specifically I am trying
to find out how to make datapars FWHMPSF
read its value from the header of the
file that is being photted. Unlike
exposure, airmass...

2516

By: fitz

07/17/2007 05:39PM

help (ds9 and graphics)Started by:Guest, 07/18/2007 10:52AM
I have installed IRAF an in PC.The image
get displayed an "ds9" window. But the
graphic window is not working.i am not
able
to plot row or coto of image.Kindly
advise me how to get around with this
difficult.thank you.

2706

By: fitz

07/18/2007 10:52AM

Can STSDAS and TABLES work on ubuntu?Started by:Quietskies, 07/19/2007 02:06PM
Hi

There's a problem again......

My IRAF work well on Ubuntu except for
the STSDAS and TABLES package，
I download these packages and try to
install them, but when I use them, they
say can't open *.e files and I find
there's no *.e files at all
...

7018

By: Quietskies

07/19/2007 02:06PM

scaling and adding wfpc2 apertures in...Started by:aparna, 07/19/2007 04:41PM
Hi,

I would like to display an image with z1
and z2 of my choice and overplot wfpc2
apertures and a compass on it. If I
open the image from within IRAF, I can
choose
z1 and z2 but cannot specify the fk5
values of the apertures.

If I load the image in...

2708

By: fitz

07/19/2007 04:41PM

Proper syntax of pconcat when used in...Started by:piverson, 07/25/2007 02:38PM
I have tried various ways of writing the
pconcat call in my script but all have
syntax errors. Below is the sample
script. Thanks for your help.

string s1
string s2
string s3
string s4

sections ("a-ngc*.fits", opt="fullname",
> "datalist1")
match...

3315

By: fitz

07/25/2007 02:38PM

Files not found by doslitStarted by:conorfarrell, 07/25/2007 04:17PM
Hi,

I'm having problems extracting and
dispersion correcting spectra in both
echelle and slit form. I have just been
working on a particular slit spectrum
and I followed "A User's Guide to
Reducing Slit Spectra with IRAF" on
reducing spectra using the ...

2968

By: fitz

07/25/2007 04:17PM

difficulties installing mscredStarted by:carvano, 07/25/2007 04:42PM
Hi.

I am trying to install mscred on a suse
10.2 machine, and since I couldn't find
suse binaries for this package I decided
to install from source. I followed the
instructions but eventually got:

________________________
x_mscexam.f:
sysruk:
x...

2629

By: fitz

07/25/2007 04:42PM

And/or logic in IRAFStarted by:piverson, 07/27/2007 04:37PM
Is there and/or logic in IRAF and if so
do you have any short examples of its
use. I am trying to use it in a match
command.

i.e. match ("light" or "object",
"datalist1", > "datalist2")

Thanks,
Paul

3461

By: fitz

07/27/2007 04:37PM

Difficulties with xc (while installin...Started by:Daniel Stern, 07/29/2007 09:18PM
I am having difficulties installing
ucsclris on my system, and the problem
seems to stem from xc crashing. I am
running redhat 9 and iraf 2.12.1. When
I try to mkpkg, I get the following
error (only the first lines shown):

cl> mkpkg -p ucsclris
ch...

6883

By: sastanford

07/29/2007 09:18PM

error running extinction taskStarted by:astrogirl, 07/30/2007 05:52PM
When running the extinction task I get
the following error:

Warning: MWCS: dimension mismatch
(mw_gltermr)

I don't know what this means. Please
help! Thanks.

7343

By: astrogirl

07/30/2007 05:52PM

daophot and photcal failing to loadStarted by:Sean, 08/03/2007 05:43PM
Hello,
I am running IRAF v 2.13 beta 2 on a
macintel. When I try to load daophot,
it comes up with an error message:

ERROR: task 'tables' has no param file
"if (defpar ("tables.motd")) {"
line 6: daophot$daophot.cl
callled as: 'd...

4246

By: Sean

08/03/2007 05:43PM

installationStarted by:edu, 08/06/2007 10:46PM
hello everybody,

I'm a novice linux user and I need to
install IRAF on a PC running SLACKWARE
11 or FEDORA CORE 7 32BITS. I really
don't know how to install it. Could
somebody help me in a step by step
installation?
Thanks.
edu

3255

By: fitz

08/06/2007 10:46PM

IRC channelStarted by:wkerzendorf, 08/07/2007 07:43AM
As many astronomers need to work with
iraf, is there already an IRC channel or
is there an interest for an IRC channel.
I would recommend the freenode network.
As there are many other opensource
projects.
bye
Wolfgang

5870

By: BrainBug

08/07/2007 07:43AM

help in splot log fileStarted by:Guest, 08/07/2007 08:40PM
Hello,
I need some help regarding splot.
There is a record file in splot
called splot.log, which records some of
the operations done using splot. I
want to record the wavelengths which I
mark using the space-bar key. However
the splot.log does ...

2702

By: valdes

08/07/2007 08:40PM

nstar helpStarted by:craigswenson, 08/07/2007 10:12PM
I'm trying to use the nstar command as
part of daophot, but it doesn't seem to
be working as described in the 'help
nstar' file. According to the 'help
nstar' file, each star in the nrj
'reject file' should have a pier number
corresponding to what erro...

2512

By: valdes

08/07/2007 10:12PM

'Segmentation violation' while doing ...Started by:Myla4u, 08/08/2007 02:38AM
System : Suse 10
Iraf vertion : V2.12
PACKAGE = ccdred
TASK = zerocombine

Such information appeared :
ERROR on line 46 : segmentation
violation
zerocombine (mode=h)

What's wrong?
Thanks!

4840

By: Myla4u

08/08/2007 02:38AM

Imexam and DS9: weird results for fra...Started by:ncaon, 08/08/2007 01:35PM
Hi,
yesterday I was happily displaying 16
images on DS9, one in each of the 16
available frames (using IRAF task
display). All well and good.
However, when I tried imexam on frame n.
12, I realized that the output from
imexam (statistics, line/column pl...

3664

By: joye

08/08/2007 01:35PM

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