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ERROR: FXF: must specify which FITS e...Started by:youssef, 08/24/2017 10:19AM
Hi,

I start tr reduce the data using
ccdproc
So, when I run it in my xgterm with list
of data ccdproc(@lis2calibA) is not
working !!
It show me this Erreur:

ERROR: FXF: must specify which FITS
extention (path of image)

Can you help me !!
Wi...

1625

By: youssef

08/24/2017 10:19AM

greek.psStarted by:Jason Quinn, 12/26/2016 05:15PM

Hi, Mike.

In the cdl releases, there's a postscipt
file called "greek.ps". Do you happen to
remember how you generated that file any
chance?

Cheers,
Jason

1363

By: fitz

01/23/2017 05:08PM

HTTPS at IRAF.NETStarted by:Jason Quinn, 08/01/2016 07:57AM
When I try to connect to iraf.net
through the HTTPS protocol with Firefox,
I get the following message:

[quote]Your connection is not secure

The owner of iraf.net has configured
their website improperly. To protect
your information from being stol...

1293

By: fitz

08/01/2016 03:42PM

CDL statusStarted by:Jason Quinn, 10/21/2015 12:30PM
Hi. Couple questions about the CDL.

What is its current development status?

The FTP site

ftp://iraf.noao.edu/iraf/x11iraf/

lists cdl-1.9.tar.gz as the latest
version, while x11iraf-v2.0BETA comes
bundled with a version which I believe
is an...

976

By: fitz

11/01/2015 04:51AM

imcopy cannot open imageStarted by:manolis.r, 05/13/2014 02:19PM
Can anyone help me?
I am using imcopy to make cutouts of a
large image. The problem is that if I
use a file (e.g. image_in) in the input
keyword it can't read the image.
The parameters I am using are:
input = @image_in
output = @image_out
verbose =...

1742

By: manolis.r

05/13/2014 04:44PM

Can I permanantly crop my spectra?Started by:mnicholls, 03/18/2014 01:18PM
I have been analyzing spectra using
splot and have identified specific
emission lines I want to focus my
research on. I know it is entirely
possible to zoom in on these features to
analyze them but I was wondering if
there was any way I can cut these fe...

1740

By: mnicholls

03/18/2014 01:56PM

Paralell or multiple IRAF sessions?Started by:Santiago, 03/08/2014 11:35PM
Hi, i'm trying to take advantage of my
home system, an AMD FX-8120 8 core
system with 16GB of RAM (upgradeable to
32gb) and 2 SATA 3 HDDs. I wonder how
can i run IRAF in paralell, so it uses
all 8 processors, RAM and/or hard drives
IO capabilities, or m...

1714

By: fitz

03/09/2014 02:03AM

Gemini data questionStarted by:fitz, 08/27/2013 11:14PM
[color=red:c1429c0040][Moderator's Note:
Posted on behalf of user
ghang.naoc@gmail.com]
[/color:c1429c0040]

hi all,
I need to do photometry for program
ID GS-2010B-Q-63 by Gemini-S.
Now I meet some problems which
confuse me much.Could someone ...

1155

By: fitz

08/27/2013 11:14PM

New Linux Astronomy DistributionStarted by:fitz, 08/13/2013 06:48PM
[color=red:f8f966c85a][Moderator's Note:
Posted on behalf of
bamm@astronomy.com.ph][/color:f8f966c85a]

Hello,

I wish to introduce to you my project,
Distro Astro, a Linux
distribution for astronomy.

Distro Astro has IRAF preinstalled, with
X11Iraf, X...

2913

By: fitz

08/13/2013 06:48PM

IRAF tasks to Astropy/PythonStarted by:lianou, 06/28/2013 01:39PM
Hi,

I was wondering if there are any plans
to translate IRAF tasks to Python
equivalents, and in particular I am
interested in the following tasks:
noao.artdata.mkpattern
images.immatch.wregister
images.imcoords.ccsetwcs

Thank you,

Sophia

1818

By: lianou

06/28/2013 01:39PM

from IRAF to UNIXStarted by:AndrewS, 06/10/2011 02:22PM
my first exposure to scripting has been
through IRAF.
I now need to write part of a script for
UNIX but don't know anything about the
syntax or programming language of UNIX!!

can someone please tell me how to set up
the equivelant command in a UNIX she...

4122

By: fitz

06/10/2011 02:22PM

PSF-ing and ChiStarted by:hawcheng, 03/28/2011 02:58PM
I have a question about PSF fitting and
the chi statistic that is employed in
Daophot and Allstar. Perhaps those of
you who don't use Daophot or Allstar but
do PSF fitting might also have some
insight regarding this.

Basically, when I plot chi vs. raw ...

4227

By: azangari

03/28/2011 02:58PM

"Find all posts" problem - ...Started by:rjvo, 03/11/2011 10:09AM
My user name was 2-letter long; The
"Find all posts" did not work. I changed
my user name ("Account Information ->
User Name") for 3-letter long and all
seems to work nice.

2084

By: rjvo

03/11/2011 10:09AM

calculating with WCS keywords...Started by:Arp, 02/04/2011 09:54AM
Hello,

I am writing a program in java, and as a
part of it, I want to calculate pixel
coordinates, based on wcs header
keywords.
So, I got the rotation matrix CD11 CD12
CD21 CD22 already calculated and saved
in the header by another program.
Now I want...

2999

By: fitz

02/04/2011 09:54AM

NCOMBINEStarted by:le.davide, 01/09/2011 11:21PM
Hi,
I know that this is not an IRAF
question, but...if the keyword NCOMBINE
is missing in a header does it means
that NCOMBINE=1?
Many thanks!

2592

By: fitz

01/09/2011 11:21PM

yes YES no NO ...Started by:milena, 01/07/2011 11:51AM
Hey,

Sometimes IRAF asks something like:

Fit aperture 1 interactively?
(no|yes|NO|YES) (yes):

What is the difference between no and
NO? and yes and YES?

THANK YOU!! :)

milena

2280

By: Jason Quinn

01/07/2011 11:51AM

Tool to analyze allsky and normal ccd...Started by:Daedalus, 11/05/2010 05:53PM
Hi!

I was looking Linux programs to analyze
allsky and other camera images and found
IRAF.net web page.

Not sure, but is there programs in IRAF
that can analyze sky images to generate
FITS images? Or anything else that can
try to find stars from ccd ...

2761

By: fitz

11/05/2010 05:53PM

neon spectrumStarted by:milena, 10/11/2010 12:09PM
hey,

I want to ask if it is possible to print
a diagram of a neon spectrum from IRAF.
I need the spectral lines from 3000-5500
Angström. Or if you know where to get a
diagram like this. Not in tabulated
form. It's for the package "slit", task
"identif...

4369

By: fitz

10/11/2010 12:09PM

certain pages on iraf.noao.edu websit...Started by:AndrewS, 10/10/2010 12:59PM
Hi all

I want to download iraf v2.11 but when I
go to the following:
http://iraf.noao.edu/iraf/ftp/iraf/v211
I get a not found page..
Can anyone tell me what is the problem
or failing that what is the easiest way
to download iraf v2.11 (which i belie...

2281

By: fitz

10/10/2010 12:59PM

Anybody have had troubles with spectr...Started by:jorge, 09/29/2010 11:45PM
Hello:

I wonder if anybody have had problems
with spectroscopic data taken with
GMOS?... I took data in NOD&SHUFFLE
mode and I realiced that my bright
spectra have fake features in the
550-650nm range, specifically two bumps
with broad emission lin...

2091

By: jorge

09/29/2010 11:45PM

Tale of Two FramesStarted by:hawcheng, 09/13/2010 08:22PM
Got a general question / mystery.

I have two frames of the same object
taken in succession. The stars in frame
A are half as bright as those in frame
B. Yet frame A has slightly better
seeing, as in a lower FWHM for its
stellar profiles, so that appare...

2469

By: fitz

09/13/2010 08:22PM

Differential photometry and PSFStarted by:FSBoyden, 07/27/2010 07:59AM
Hi

Just want to do a double check if my
procedure is acceptable!

I am doing fast photometry on a variable
star - problem is that the field I am
working in is relatively sparse. My CV
is at 11-12 mag, while the only
comparison stars bright and stable e...

3441

By: valdes

07/27/2010 07:59AM

OverscanningStarted by:hawcheng, 06/15/2010 07:16PM
General question on overscan fitting and
bias frame subtraction : why do people
do both? It seems that simply
subtracting a bias frame from one's
program frames would accomplish the same
thing, as the bias frames ought to have
the same bias level as the...

2995

By: jturner

06/15/2010 07:16PM

FITS2jpeg jpeg packageStarted by:gcardonav, 05/20/2010 11:20PM
Hi guys:

I am trying to install the FITS2jpeg
package in my mac. I been trying to get
the jpeg software which is available
[url]ftp://ftp.uu.net/graphics/jpeg/jpegsrc.v6a.tar.gz[/url],
but when I try to anonymous sftp or ftp
into it and enter my email ...

3737

By: gcardonav

05/20/2010 11:20PM

Aperture correction photometry and sk...Started by:CavasRNC, 05/19/2010 10:14AM
Hi Everyone,

I am performing aperture photometry on
Spitzer/IRAC crowded field images. The
great number of point sources close to
each other lead me to decide to use
smaller apertures and then perform
aperture correction. The instrument's
handbook alre...

6415

By: StarryEyed

05/19/2010 10:14AM

Sky! Sky!Started by:hawcheng, 04/22/2010 05:51PM
If there is no moonlight, how much
variation in the sky brightness for a
given field can I expect? I have 40
exposures of the same field taken across
a year, and after accounting for
exposure time differences, I'm still
finding the sky level to vary by ...

2531

By: FSBoyden

04/22/2010 05:51PM

Covert fits file into imh using rfitsStarted by:devereux, 11/11/2009 08:46PM
Hi,

I just re-installed PyRaf following a
hard drive failure.

Everything seemed to be going swimmingly
until I tried to do an rfits - it
complained
that it can not open a pixel file.

I got the following error message when
trying to convert
a fits spe...

10513

By: fitz

11/11/2009 08:46PM

How to convert fits file into ASCII f...Started by:nishahansraj, 11/10/2009 07:03PM
I have a fits file. It is actually a
spectra. When I use splot
<filename>.fits I get a plot of
spectra of an object which is normalized
amplitude (y-axis) versus wavelength
(x-axis). I would like to extract the
data, get two columns one which woul...

18226

By: StarryEyed

11/10/2009 07:03PM

problem in using iuetools in irafStarted by:nishahansraj, 09/19/2009 06:34AM
I am having the following Problem while
working with iraf. I have some .mx files
which i need to convert to .fits file
for which i require iuetools package to
be installed in iraf. I was already
having iraf installed, i installed
iuetools. I am having t...

6687

By: nishahansraj

09/19/2009 06:34AM

Want to build a dedicated BPM makerStarted by:Jason Quinn, 08/15/2009 12:32AM
Hi, guys. I'm considering to develop a
dedicated bad pixel mask generator. I'd
like it to be as cross platform as
possible. The basic functionality and
operation of the program will be the
following:

1) display a FITS image
2) use the mouse to click an...

5093

By: valdes

08/15/2009 12:32AM

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