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Last Post

Problem with scriptStarted by:KarolinaS, 01/17/2018 09:27AM
Hello everyone,

I have a problem with script. Everything
seems to be ok, but when I try to run
it, I see error:

ERROR: image keyword ‘hedit’ not
found

My script looks like this:

hedit @a.lst date-obs '(@"DATE-OBS")'
add+ ver-
hedit @a...

1515

By: fitz

01/29/2018 03:26PM

More DECam image questions and issuesStarted by:andrej, 04/25/2015 02:23AM
Greetings.
I am having issues with imcombine on
some DECam data. I am discovering that
there is some slight blur/misalignment
when using imcombine for multiple dither
points of a single frame. I am using
combine=median and offset=wcs.

*EXAMPLE WIT...

4766

By: fitz

01/15/2018 03:36PM

filter keyword not recognized - despe...Started by:rita, 12/17/2017 04:00PM
Dear All,

I have installed new IRAF (on new hard
disk), and I am stumbled over
impossibility to setinstrument so that
ccdproc recognizes the filter keywords.
On my previous hard disk, in
kpnoheaders.dat I set
subset filter

and all was f...

2028

By: rita

12/17/2017 04:00PM

Numerical Recipes codeStarted by:olebole, 05/01/2014 03:30PM
Hi,

I just discovered that the IRAF code
contains some code from the Numerical
Recipes book. As written in
[url]http://www.nr.com/licenses/redistribute.html[/url],
this code is for personal use only and
may not be distributed, even not as GPL.
One ex...

Page: 1 2

7113

By: lupinix

11/17/2017 09:27AM

imcopy problemsStarted by:arpita.manju, 11/05/2017 06:53PM
input = file_name.fits[535:546,456:432]
Input images
output = file_name.fits
output images or directory
(verbose = yes)
Print operations performed?
(mode = ql)

these are the i...

2744

By: fitz

11/10/2017 04:43PM

Daophot PSF: star is outside the imageStarted by:hbarker, 10/20/2017 02:29PM
I'm trying to build a psf for an image,
and successfully run daofind, daophot
and pstselect. I have >1000 detected
stars in my field, and told pstselect to
choose 100, which it does fine. Hoever,
when I try to run psf, I get an error
for each star "Star...

1081

By: fitz

11/02/2017 12:53AM

SPLOT task does not display the right...Started by:Amanpreet, 10/26/2017 06:54PM
Hi all,

My splot package does not display the
right information for any command. e.g.
if I want to check the position of the
cursor, it does not display the
wavelength and flux for a spectrum. It
is not working on any spectrum and I
tried "unlearn sp...

704

By: Amanpreet

10/26/2017 06:54PM

PyRAF doCmdline fail on startupStarted by:aeschneider714, 10/16/2017 03:39PM
Hi all,

I have been trying to figure this one
out all weekend, but I can't seem to
find a similar error online. I have the
anaconda environment with the legacy
IRAF/PyRAF installation. IRAF works
perfectly fine and I have installed
iraf-all and pyraf...

1000

By: fitz

10/16/2017 03:47PM

ecidentify: not saving wavelength sol...Started by:fuzzyduck, 10/10/2017 04:30PM
So I am running ecidentify (on a new
anaconda installation of iraf). I have
marked my wavelengths and fit a
solution.
However, the solution does not appear to
be saved. When I do an splot of the
spectra the dispersion axis is still in
pixel units (and...

1021

By: fuzzyduck

10/10/2017 04:30PM

Status of the github repositoryStarted by:olebole, 08/18/2017 08:09AM
Hi (especially fitz),

since a few months, the IRAF source was
put into a github repository:

[url]https://github.com/iraf/iraf[/url]

After that, I (and some others) started
to look into the current problems of the
IRAF code and proposed [url=ht...

2055

By: olebole

09/27/2017 07:58PM

longslit/fitcoords error Started by:Kati, 02/10/2015 07:17PM
Hi,

I'm having troubles with the
longslit/fitcoords task. Below you can
find the parameters I use for the task.

The input spectrum is called
fb0057.image.fits, the reidentify task
stores the data in
database/idfb0057.image. The output is
the follow...

2038

By: HeisenbergK

09/20/2017 04:39AM

msccmatch interactively, deleting dat...Started by:mdcleir, 08/31/2017 08:59AM
Hi,

I am using the msccmatch tool to match
the WCS of different exposures.
I want to use this task interactively in
order to check if the fitting does a
good job.
When I run the task, the first plot
indeed pops up in the xgterm.
But, if I want to ...

1423

By: valdes

09/08/2017 03:51PM

cl script is not running on unix term...Started by:sapna, 06/06/2017 02:50PM
Dear all,

Does anyone know how to run *.cl scripts
on the normal unix terminal??

For eg. I am running a script from the
normal unix terminal as:

$ cl < /home/sap/Script/clean_photo.cl

and I am getting an error like:

astutil>astutil>astuti...

1368

By: olebole

08/20/2017 08:41AM

seepsf error: Image header parameter ...Started by:hbarker, 07/26/2017 03:13PM
Hi all,

I'm trying to view the psf I'm creating
with daophot, as I can't seem to find a
good fit, but when I use "seepsf" I get
the error ERROR: Image header parameter
not found (FUNCTION).

I've tried set function=gauss (and tried
function=auto) ...

1183

By: hbarker

07/26/2017 03:13PM

problem with imshiftStarted by:taylor, 07/21/2017 12:22AM
Hi all,

I have troubles after running imshift on
my images. I shift my images using a
file containing shifts and I have tried
different options for the parameter
"interp". Then I compare the initial and
the shifted image. The count value on
differen...

833

By: taylor

07/21/2017 12:22AM

wcs for mosaic 3.0 Started by:prasadh, 07/04/2017 05:47AM

1.
I am trying to update the WCS for
my mosaic images. I followed the
document here
http://iraf.noao.edu/projects/ccdmosaic/astrometry/astrom.html#physical
and Used MSCTPEAK task to make the
wcs databse file and updated the W...

1499

By: prasadh

07/07/2017 04:38AM

Fitting balmer lines with emission+ab...Started by:Myrddin, 06/27/2017 12:48AM
Hi everyone,

I am dealing with a high S/N calibrated
1D spectrum of a star-forming galaxy. I
can see the emission in the balmer lines
(typical from SF galaxies) together
with the absorption in the same
wavelength from the underlying stellar
populat...

1616

By: valdes

07/06/2017 07:00PM

x11iraf not installinStarted by:pjpessi, 06/23/2017 03:33PM
So I am following this steps to install
iraf
(http://www.astronomy.ohio-state.edu/~khan/iraf/iraf_step_by_step_installation_64bit)
but when i get to the sudo tar -zxf
x11iraf-v2.0BETA-bin.linux.tar.gz /sudo
rm x11iraf-v2.0BETA-bin.linux.tar.gz/
sudo ./i...

1955

By: pjpessi

06/23/2017 07:33PM

Trouble reading lists with some proce...Started by:jsb3r, 06/22/2017 04:59PM
I have IRAF running on two separate Mac
OSXs. One machine is running Mac OSX
10.8 and IRAF v2.16 and CCDPROC handles
lists without problem. However, when I
try to run CCDPROC on the Mac OSX 10.11
with the following call:

ccdproc images=@targets out...

1621

By: fitz

06/22/2017 05:10PM

implementing cl commands into shell s...Started by:taylor, 04/14/2017 08:20PM
Hi all,

I am new to IRAF scripting and I have a
problem regarding implementing IRAF
tasks into a shell script. The script
should work with fits files and is very
simple, but it has to use IRAF tasks
together with bash. The script is as
follows:

...

2519

By: taylor

06/14/2017 01:29AM

error in MSCJOINStarted by:prasadh, 03/06/2017 06:34AM
Hi

I am trying to create a BAD pixel mask
for my data taken from Mosaic 3 camera .

I used ratio of two domeflats as an
input image to MSCSPLIT and split the
image so that I can use CCDMASK to
create a mask for each extension. Then
renamed ...

1598

By: prasadh

06/03/2017 04:41AM

Problem encountered with cl host scri...Started by:grayro, 05/14/2017 11:42PM
Hi,

I have been hitting my head against this
problem for a few weeks. I expect the
solution is simple, as I have a few
other similar scripts working without
problem. What I am trying to do is to
write a script that will take already
reduced images,...

2055

By: grayro

06/01/2017 02:56PM

problem with scriptStarted by:fitz, 05/27/2017 03:21AM
[color=red][b][Moderator's Note:
forwarded from story
submission[/b][/color]

I am having problems with a script that
reduces to the following simple script
to change some parameters in photpars
and fitskypars and run
digiphot.apphot.phot. When I run ...

1465

By: fitz

05/27/2017 03:33AM

SAOImageDS9 7.6b1 is now availableStarted by:joye, 05/16/2017 08:02PM
SAOImage DS9 7.6b1 is available at
http://ds9.si.edu/site/Beta.html.

Now available, the all new Windows 64bit
and 32bit ports of DS9. Supports IIS,
threads, RGB, 3D. Fully functionality
with all other platforms.

937

By: joye

05/16/2017 08:02PM

task Started by:jsmoker, 05/08/2017 06:57PM
Hi,

I have a problem with scombine in
sptables. I want to combine ESO advanced
data product spectra. The normal
scombine does not work (c.f.
http://archive.eso.org/cms/eso-data/help/1dspectra.html#IRAFSPTABLE
)

0) I can run scombine as normal wit...

1919

By: jsmoker

05/09/2017 06:24PM

transformation equations for SDSS fil...Started by:iraf_astro, 05/09/2017 01:03AM
Hi,

I have been struggling lately to find
transformation equations to convert
instrumental magnitudes to calibrated
ones for the ugriz system. In IRAF,
landolt transformation equations
(photcal/catalogs package) are provided
for UBVRI system, but the...

691

By: fitz

05/09/2017 04:35PM

How does fitparams obtain the sigma c...Started by:Gaba_p, 05/05/2017 01:53AM
I'm trying to reproduce the 'sigma'
column returned by the photcal.fitparams
task
(http://stsdas.stsci.edu/cgi-bin/gethelp.cgi?fitparams);
see page 32 of the guide:

https://www.mn.uio.no/astro/english/services/it/help/visualization/iraf/daophot2.pdf ...

633

By: Gaba_p

05/05/2017 01:53AM

missing dataStarted by:duvall, 12/13/2016 12:42PM
Running iraf on linux.

Is there some way to get routines that
use image interpolation to not use the
missing values? I have an image that
has some large negative numbers for
missing.
jan2.fits[1024,1024][real]:

From the header.
BLANK = ...

1307

By: valdes

04/25/2017 10:47PM

Streaks on image after geotranStarted by:dantes, 04/18/2017 06:11PM
Hi, I'm new to IRAF and I've run into a
bit of a problem. I'm geotranning an
image against another, but whenever I do
it comes out with these awful streaks
which are quite annoying. I've tried
messing with the value for "boundary"
and the value for "con...

849

By: valdes

04/25/2017 09:39PM

fitparams deletes points irrespective...Started by:Amanpreet, 04/25/2017 02:32PM
Hi.

I am using IRAF on ubuntu 16.04 and a
task called fitparams in the
photcal.fitparams package will not let
me delete the points close to the
cursor. It deletes the left-most point
independent of the cursor position.

636

By: Amanpreet

04/25/2017 08:29PM

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