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Script problemStarted by:nrowell, 08/31/2007 04:34PM
Hi,
I'm relatively new to writing scripts,
i've used IRAF a lot but only just
started combining operations into cl
scripts. I've got a script that performs
CCD reductions on a bunch of fits
images. All steps work fine except the
very last call to CCDPRO...

2638

By: fitz

08/31/2007 04:34PM

Problem with fits images - Pixel stor...Started by:alexg, 08/28/2007 03:20PM
To whom it may concern,

I am reducing some slit spectra and have
encountered a problem I have never seen
before. First of all, 3 of my CCD
images(2176 x 640 pixels) seem to have
been cut into 2 pieces and then
re-arranged! I really have no idea how
thi...

5371

By: alexg

08/28/2007 03:20PM

Photometry results, walkthroughStarted by:Fenris, 08/27/2007 05:56PM
Dear reader,

I am having some problems getting
accurate output from my photometry
procedures. Being a rather new user I
have attempted to read up where possible
and would think I have a decent grasp on
relevant IRAF facilities, but
unfortunately I'm si...

3209

By: Fenris

08/27/2007 05:56PM

help helpStarted by:hanabez, 08/27/2007 06:29AM
Hello
yesterday I install a extern
package,mscred,then today when I run
"help",it shows:

Cannot open help database file
finder$lib/helpdb.mip
Cannot open help database file
gemini$lib/helpdb.mip
Cannot open help database file
mxtools$lib/helpdb.mip
C...

4417

By: hanabez

08/27/2007 06:29AM

openSuze 10.2Started by:Guest, 08/24/2007 05:12PM
Do we know if IRAF works on the free
version of Suze Linux (openSuze 10.2)?

2173

By: fitz

08/24/2007 05:12PM

root permissions conflictStarted by:Guest, 08/24/2007 03:01PM
When I do a setinstrument to load the
instrument parameters, that works just
fine.

Next, I run ccdin to look at the keyword
files and I get a â€œ?â€â€¦
expected.

I do the change and when I go to quit I
get the standard â€œDo you want ...

2375

By: fitz

08/24/2007 03:01PM

Overlaying photometric flux points on...Started by:nrowell, 08/24/2007 10:55AM
Hi,
I'm having trouble plotting some data. I
have a flux calibrated 1d spectrum,
which plots fine, plus i have three band
photometry which i've converted to
approximate fluxes at the central
wavelengths of each band pass. I'm
trying to plot these three ...

3160

By: nrowell

08/24/2007 10:55AM

Obtaining coordinates from 1D fits sp...Started by:nrowell, 08/17/2007 12:08AM
Hi,
I'm working with standard 1d spectra,
and am looking for a way to convert the
spectra from fits files to text files of
wavelength/flux coordinates. I've
searched around this site and the
various IRAF tasks and turned up nothing
- if anyone has any s...

2907

By: nrowell

08/17/2007 12:08AM

error in invertfitStarted by:hanabez, 08/16/2007 10:25AM
Hello
I got a error when I run the task
invertfit

Warning: The solution for equation JFIT
did not convergeWarning: The solution
for equation HFIT did not
convergeWarning: The solution for
equation KFIT did not converge

my transformation:
transformatio...

3654

By: massey

08/16/2007 10:25AM

How to subtract a image from another ...Started by:hanabez, 08/16/2007 10:08AM
Which task should I use?Thankyou.

2524

By: fitz

08/16/2007 10:08AM

Script ProblemStarted by:craigswenson, 08/14/2007 07:39PM
I was having problems with nstar not
placing stars that wander off the frame
in the .nrj file and posted a question
which nobody responded to, so I ended up
writing a little script to try and
insert the missing stars into the files
myself. Unfortunatel...

3229

By: craigswenson

08/14/2007 07:39PM

Installing MSCRED on Fedora Core 7Started by:nicand, 08/13/2007 07:26PM
Hello,

I am having issues again with
installation. This time it is with
mscred, when I try to run the following
command:
ms > msccmd "hselect $input $I,detsec
yes" input=Jreg

I get this error:

ERROR on line 217: Cannot open connected
subprocess (...

3448

By: fitz

08/13/2007 07:26PM

IRAF installation on Fedora Core 7Started by:nicand, 08/10/2007 09:04PM
Hello everyone,

I just finished installing IRAF onto
Fedora Core 7 and I am getting the error
below every time I try to run a command.

cl> imhead Hreg13.fits

PANIC in
`/iraf/iraf/bin.linux/x_images.e':
Memory has been corrupted
Unable to open pa...

5787

By: nicand

08/10/2007 09:04PM

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...

3665

By: joye

08/08/2007 01:35PM

'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!

4842

By: Myla4u

08/08/2007 02:38AM

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...

2513

By: valdes

08/07/2007 10:12PM

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 ...

2703

By: valdes

08/07/2007 08:40PM

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

5872

By: BrainBug

08/07/2007 07:43AM

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

3256

By: fitz

08/06/2007 10:46PM

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...

4249

By: Sean

08/03/2007 05:43PM

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.

7347

By: astrogirl

07/30/2007 05:52PM

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...

6887

By: sastanford

07/29/2007 09:18PM

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

3463

By: fitz

07/27/2007 04:37PM

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...

2630

By: fitz

07/25/2007 04:42PM

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 ...

2969

By: fitz

07/25/2007 04:17PM

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...

3316

By: fitz

07/25/2007 02:38PM

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...

2709

By: fitz

07/19/2007 04:41PM

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
...

7021

By: Quietskies

07/19/2007 02:06PM

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.

2707

By: fitz

07/18/2007 10:52AM

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...

2518

By: fitz

07/17/2007 05:39PM

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