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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...

1619

By: youssef

08/24/2017 10:19AM

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 ...

1149

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...

2902

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

1814

By: lianou

06/28/2013 01:39PM

"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.

2081

By: rjvo

03/11/2011 10:09AM

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...

2089

By: jorge

09/29/2010 11:45PM

Amazing computer learning programStarted by:Jason Quinn, 04/05/2009 01:59PM
For those interested in such things, a
paper was recently submitted about a
program that can extract physical laws
from raw datasets. Sounds too good to be
true but apparently it is real. Check
out this website (includes an excellent
youtube video) expl...

3334

By: Jason Quinn

04/05/2009 01:59PM

Autoguiding systemsStarted by:FSBoyden, 02/22/2008 11:23AM
Hi All :D

(To Mike and the gang :wink: I got my
masters degree, thanx for all the help
on the finer points of photometry with
IRAF. U were great :D Thanx. P.S. the
new pipeline is up and running on the
Boyden telescope system.)

I am throwing this bit...

4357

By: FSBoyden

02/22/2008 11:23AM

IDL 6.3 for Intel Macs now avaliableStarted by:sirmarcos, 07/27/2006 10:55PM
While we're all IRAF-users here, it's
probably noteworthy for more than a few
Macintosh Astronomers here than IDL is
now available a universal binary.

[url=http://www.ittvis.com/forum/message.asp?fmid=1916]The
somewhat unceremonious
announcement[/url] ...

6230

By: sirmarcos

07/27/2006 10:55PM

Scanf help docStarted by:Jason Quinn, 04/07/2006 06:03PM
[quote:e68ad79c50]A field format
specification has the form
"%[*][w][lh]C", where '*'
indicates the field should be
skipped, W is the field width, 'l'
indicates longword output, 'h'
indicates halfword output, and C is
the format code....

5758

By: Jason Quinn

04/07/2006 06:03PM

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

1357

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...

1289

By: fitz

08/01/2016 03:42PM

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...

2987

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!

2589

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

2277

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 ...

2758

By: fitz

11/05/2010 05:53PM

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...

2279

By: fitz

10/10/2010 12:59PM

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...

2466

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...

3435

By: valdes

07/27/2010 07:59AM

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 ...

2526

By: FSBoyden

04/22/2010 05:51PM

New York Times article on R (January ...Started by:Jason Quinn, 01/07/2009 05:04PM
Today there was a New York Times article
"Data Analysts Captivated by R’s Power
". R is a very popular statistics
program. I think of IRAF and R as being
very similar style environments. I
thought this might be of interest to
some people here. [url]ht...

4310

By: jturner

01/07/2009 05:04PM

question regarding IRAF's 16 frame ii...Started by:Jason Quinn, 05/15/2008 11:29PM
I'm curious what architectural
limitations on the number of display
frames that IRAF can support are. How
difficult would it be to increase it to
32? 512? 1024? Why have a limitation at
all? I'm not sure how the image servers
manage memory but it seems ...

4782

By: fitz

05/15/2008 11:29PM

Astrometry header standard for FITS?Started by:puck2017, 12/10/2007 09:45PM
I am looking for some help understanding
the FITS standard for encoding an
astrometric solution in the header.
Specifically, is the cos(dec) correction
for RA supposed to be encoded in the
CDm_n/CDELTn keywords, or is it
understood that it will be appl...

5775

By: fitz

12/10/2007 09:45PM

Xgterm cannot find commandStarted by:Gr3g0ri0, 08/01/2007 08:19PM
Hi fellow IRAF users,

I'm a student astronomer, and I'm
working from my laptop, accessing a
server in the department remotely
through Cygwin. For the last month,
everything has worked fine with access
the server. I'd start cygwin, type
"startx",...

8695

By: fitz

08/01/2007 08:19PM

Scientific Computing ForumStarted by:RJ Emery, 03/25/2007 02:38PM
Anyone know of a forum where scientific
computing can be discussed?

5423

By: fitz

03/25/2007 02:38PM

how to handle CALSPEC fits filesStarted by:galtavi, 08/29/2006 08:54AM
Dear IRAF expert, I have a problem
handling the CALSPEC spectra
(http://www.stsci.edu/hst/observatory/cdbs/calspec.html)
with IRAF.
"Files are in machine independent binary
FITS table format".
It's the first time I use them.
SPLOT does not plot them (ER...

7081

By: hanin

08/29/2006 08:54AM

FOCAS not foundStarted by:ganis, 01/30/2006 03:35PM
I'm a newbie to IRAF, but i'm intersted
in using the focas package. I found it
in NOAO but when I try to enter "focas"
from the command line I get a message
that says something like "not at this
time " or "for a future release". Am I
out out luck ? I...

6261

By: fitz

01/30/2006 03:35PM

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 =...

1739

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...

1734

By: mnicholls

03/18/2014 01:56PM

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...

4121

By: fitz

06/10/2011 02:22PM

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