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iraf.noao.edu Services DownStarted by:admin, 06/29/2015 09:01PM

The server hosting the iraf.noao.edu
website and ftp archive finally died
over the weekend, interrupting access to
users needing to download software.
Services have been moved to a new
machine, however it may take several
days before the IP address ...

1488

By: admin

06/29/2015 11:19PM

Site Mailer ProblemsStarted by:admin, 09/15/2014 03:59PM

The web-hosting company we uses did
something to break the outgoing mail
starting at around Sep 11. A ticket is
open and should be resolved shortly, but
note that emails for new-user passwords
and notification of forums replies are
not presently bein...

7126

By: admin

09/15/2014 03:59PM

problems with driz_cr working on no-m...Started by:Francesca, 12/07/2010 05:36PM
Hi,

I am trying to create cosmic ray masks
using the task driz_cr within the dither
package.
To do that, I need to specify the image
group to be cleaned, however my file
does not contain multi groups.

I try to give group=1, but I get the
following mes...

2257

By: fitz

12/07/2010 05:36PM

Summing up images of different sizes ...Started by:Francesca, 08/16/2010 11:28AM
Hi!

I can't find the way of summing up two
images of different sizes in [x,y] and
with one of the two images shifted by a
[Dx,Dy] offset.
Let's say, for instance, that img1 is
1000 X 1000 pixels, and img2 is 100 X
100 pixels large; I need to sum img2 ...

2725

By: Francesca

08/16/2010 11:28AM

reddeningStarted by:Sparkles, 09/28/2010 05:49PM
Hi,

I'm very new to Iraf and I'm trying to
compensate for reddening in my UV
spectra. Does anyone know if Iraf can do
this??? and if so which packages do I
use??? I have found a paper quoting
"Cntana" package:

Continuum analysis (determine
reddening,...

3017

By: Sparkles

09/28/2010 05:49PM

Problems with zerocombine task.Started by:Carol, 08/02/2010 05:48PM
:lol: Hiiiii! I'm a new user of IRAF
and I'm having some problems with
zerocombine task. When I write "
zerocombine BIAS*" this error appears:

ERROR: No images to combine
"pclip-pclip, grow=0)"
line 47: ccdred$zerocombine.cl
called as: ' ze...

3256

By: fitz

08/02/2010 05:48PM

isopall outputStarted by:le.davide, 11/27/2009 10:32AM
Hi guys,
here it is my problem: in the output
table of isopall there are several words
superposed. How can I eliminate this
problem? I already tried to enlarge the
window.
Thanks in advance.

...

3282

By: fitz

11/27/2009 10:32AM

When will the V2.15 be released?Started by:wu_qso, 01/25/2010 06:34AM
Hi, Mike, you mentioned that it will be
released short after the new year day.

3412

By: Jason Quinn

01/25/2010 06:34AM

Run IMSTAT from inside CL scriptStarted by:mairan, 01/12/2010 05:00PM
Hi all,

I would like to determine the number of
pixels of my spectra.
To do so, I decided to run IMSTAT from
inside my CL script. My intention is to
feed a variable with the result from the
field "npix". However, I don't know what
the syntax would be.
...

3444

By: mairan

01/12/2010 05:00PM

mscimage error using KPNO MOSAIC pipe...Started by:keflavich, 12/01/2009 06:49AM
Hi, I'm trying to turn my KPNO
multiextension fits files into
single-image mosaics. I receive the
error below, and I don't understand why.
I am using all default parameters.

My goal is to produce a final mosaic
*or* change the TNX projection to a
nor...

3920

By: keflavich

12/01/2009 06:49AM

any IRAF workshop/seminar???Started by:astrosona, 09/02/2009 12:03AM
Hello,

I am beginning to learn and use IRAF to
work on some Hydra data .. but i almost
have no help and reading the tutorial
documents over and over is not
helpful!!! i wish i could see some one
who works with IRAF...

do you know any lectures, worksho...

3942

By: astrosona

09/02/2009 12:03AM

Getting Started with IRAF and Searchi...Started by:solarblast, 04/18/2009 02:51PM
I'm just getting started with IRAF. As I
understand it, Win users must install
Cygwin, correct? Where can I find a
current introductory tutorial for IRAF?
Does it cover pyraf?

When I tried to search the Application
Forum for cygwin using Forum Search...

4023

By: fitz

04/18/2009 02:51PM

EOF error encountered when using FXCORStarted by:m_alp, 07/20/2009 06:14PM
Hi everyone!

I'm very new to IRAF and am attempting
to use it to extract some velocity
dispersions from some spectra I've been
given. To do this, I am using the FXCOR
task, but unfortunately when I enter the
files I want to cross-correlate, I
receive t...

4029

By: m_alp

07/20/2009 06:14PM

IRAF v2.15.1 Patch on macosx platformsStarted by:fitz, 02/03/2011 08:59PM
Some external package binaries for the
macosx architecture may have been
compiled incorrectly. This can lead to
errors such as a "segmentation
violation" for certain tasks. It is
unknown whether this same problem
affects the core system binaries,
howeve...

4098

By: fitz

02/03/2011 08:59PM

setting stdimage to 12kStarted by:Francesca, 06/01/2010 02:47PM
Hallo,

I have a 12,000x12,000 pixel mosaic to
display, and I am trying to add a new
frame buffer size following the
directions at
http://www.iraf.net/phpBB2/viewtopic.php?p=135516&sid=c48e6483b44de4e4ae87c02271a52b06

I copied the imtoolrc file ...

4611

By: Francesca

06/01/2010 02:47PM

Communication in the field of astrono...Started by:fitz, 06/12/2008 10:14AM
I received the following email and
thought it might be of interest to this
forum. While I believe there are
practical limitations to what one might
expect from the AstroSoftware community
in terms of what collective knowledge
might be accumulated to c...

4654

By: fitz

06/12/2008 10:14AM

System Crash on 1/25/08Started by:fitz, 01/25/2008 08:33PM
We had a brief system outage this
morning that kept up offline for a few
hours. I'm not sure exactly what
happened, but the system had to be
restored from a nightly backup. The
databases appear to be intact, but if
you posted a question or a reply tha...

4749

By: fitz

01/25/2008 08:33PM

imcombine errorStarted by:sarahsparks, 11/23/2008 02:25PM
hey all~

i'm using imcombine for a set of
arrays... the arrays all have the
dimensions 201x201... and i've used the
offsets i specify for other sets of
images with no problems. but this time,
when i'm trying to use them with these
arrays of value=1, ...

4995

By: valdes

11/23/2008 02:25PM

ccdproc, flatcombine problem.Started by:caiz, 01/28/2010 06:09PM
Dear friends:

I use IRAF 2.14, and have two
flat images: m920002.fits, m920003.fits.
I use "epar flatcombine" to try to make
output with the name Flat. The result is
Flat6.fits. So why there is "6" here ?
And there is a line:

Warning: FXF: EOF ...

5024

By: valdes

01/28/2010 06:09PM

How can I build radial profiles on co...Started by:Márcio, 04/11/2008 08:18PM
I have been working with color map
images (g-r, u-g, etc., they are from
Sloan). I need to build radial profiles
in different directions (0, 90 degrees,
and so on) from these color map images.
I used ellipse tasks, but I have no sure
if this is the righ...

5034

By: fitz

04/11/2008 08:18PM

404 errorStarted by:Jason Quinn, 12/08/2007 02:27AM
The "post comment" link underneath the
iraf 2.14 release story on the main page
yields a 404 error.

Congrats, on the 2.14 release! Thanks
for all your hard work! I can't wait
until the ximtool release. DS9 never
gained my favor.

Jason

5120

By: fitz

12/08/2007 02:27AM

EXTERNAL SCRIPTStarted by:andycaesar, 05/07/2008 10:47AM
Hi Guys 8)
how can I run IRAF and execute an IRAF
script in background
using the borne-shell? I'm using another
C package an I would like
pass some value to IRAF script and after
the calculation come
back to the previous package.

Cheers
Andy

5125

By: fitz

05/07/2008 10:47AM

SOA + DAOPHOTStarted by:Sparkles, 12/10/2010 04:51PM
Hi guys,

So I'm now trying to make a light curve.
So I have a bunch of fits files and I
want to know the magnitude of the one
particular star After a lot of searching
I found out that there is a package
called DAOPHOT, thought most of the good
manuals ...

5245

By: Sparkles

12/10/2010 04:51PM

above the question in dispcorStarted by:vero, 05/28/2008 04:42PM
Hi Frank,
Obviously I didn't make myself clear in
my previous post.
I was trying to point out that on the
epar interface the
"(flux = yes)
Conserve flux?" line allows the user to
wrongly assume it refers to flux density
instead of ...

5486

By: valdes

05/28/2008 04:42PM

IRAF v2.16 Now AvailableStarted by:fitz, 03/23/2012 09:52PM
[b:df90fcd98a]IRAF V2.16 Release Now
Available[/b:df90fcd98a]

The release of the IRAF V2.16 system
featuring Virtual Observatory (VO)
capabilities is now available. This
release covers both 32-bit and 64-bit
Linux and Mac OSX systems. This system
is...

5520

By: fitz

03/23/2012 09:52PM

Site Access ProblemsStarted by:fitz, 03/02/2007 09:48PM
March 2, 2007

The web-hosting company we use moved our
domain to a new server and as a result
the IP address has changed. Starting at
about 2pm MST Tuesday people may have
experienced trouble accessing the site
as the new IP moved its way around the
...

5572

By: fitz

03/02/2007 09:48PM

IRAF BoF Scheduled at ADASSStarted by:fitz, 09/18/2006 04:54PM
An IRAF Birds-of-a-Feather session has
been scheduled at the upcoming ADASS
meeting in Tucson, Oct 15-18. The
abstract for the BoF is below and we
invite everyone to attend. An agenda
will be posted closer to the meeting
time, however we plan to cover h...

5658

By: fitz

09/18/2006 04:54PM

Unable to run IRAF ~ MacOSX 10.3.9Started by:cjrlord, 07/26/2007 06:14PM
I am unable to get IRAF to run, when I
type in ./cl from my home directory I
get the following result:

Last login: Thu Jul 26 09:09:04 on
console
Welcome to Darwin!
You have mail.
Chris-Lords-Computer:~ chrislord$ cd
/usr/local/bin
Chris-Lords-Computer...

6233

By: sirmarcos

07/26/2007 06:14PM

Mac/Intel Beta ReleaseStarted by:fitz, 03/14/2006 06:21AM
As the feature story on the site says,
the beta release of the Mac/Intel port
is now available. This thread is meant
mostly as a means for users to post bug
reports or suggestions and for more
detailed discussion than the story
comments allow. It also...

6283

By: fitz

03/14/2006 06:21AM

VO-IRAF Preview DemoStarted by:fitz, 11/29/2006 09:11PM
I had to prepare a canned demo of some
of the VO/IRAF work I've been doing and
thought it might be of interest to
people here as well. This was presented
at this year's NVO Summer School and
most recently at ADASS and is nearing
completion for a public...

6972

By: fitz

11/29/2006 09:11PM

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