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Installing problems for IRAF on OpenB...Started by:velocity766, 04/29/2008 12:28PM
Installing problems for IRAF on
OpenBSD/i386

#!/bin/sh

export iraf=/local/iraf

export dist=$(pwd)

rm -rf $iraf/iraf $iraf/irafbin
mkdir -p $iraf/iraf $iraf/irafbin/
$iraf/bin

cd $iraf/iraf
tar -xzf $dist/as.pcix.gen.gz

cd $iraf/iraf
mkdir $iraf/i...

1693

By: fitz

04/29/2008 12:28PM

cap.cl, hed.clStarted by:cosmologist, 04/07/2009 10:09PM
Are the cap.cl and hed.cl different
packages? I have them in a command line,
but I don't understand what these are, I
am totally stuck, so any help will be
highly appreciated :?

Thanks

1695

By: fitz

04/07/2009 10:09PM

Phot task Mag & Mag_err outputs =...Started by:dschumac, 02/05/2011 09:00PM
My question is if anyone else has ever
noticed this problem in their output
files from the phot task. Below is an
example of where it occurred. As you can
see there are 4 stars each with a flux,
mag, and mag_err. Each row is from one
image. The problem ...

1696

By: dschumac

02/05/2011 09:00PM

Question about apfind, aptrace and pa...Started by:emma, 06/01/2012 12:45AM
Hi Mike, Frank,

I have a question about aptrace and
database files that I was hoping you'd
be able to help me with. I have used
apfind on an image, which has created a
database file with 40 apertures. I have
determined which aperture I am
interested in...

1697

By: emma

06/01/2012 12:45AM

imexam not reading correct pixel valuesStarted by:maren551, 02/10/2014 10:59PM
Hi, I just installed iraf for Fedora
FC20 and it worked like a charm,
installing-wise. But now that I am
testing the various tasks I found a
problem- and very fast . After loading
an image I started imexam and wanted to
check the fwhm on an image I have...

1699

By: fitz

02/10/2014 11:37PM

radial aperture phot with daophotStarted by:MichaelCampbell, 07/15/2009 11:34AM
Hi,

I am trying to do radial aperture
measurements on a cluster which is
situated in the bottom corner of my
image. I seem to be limited to using
radial apertures up to the edge of the
image. Is it possible to increase the
aperture radii further where...

1700

By: MichaelCampbell

07/15/2009 11:34AM

MultidrizzleStarted by:lilirayhk, 08/11/2008 07:10AM
Hi all,
I am a fresh iraf user and learning how
to use IRAF to calibrate the data from
ACS@HST. From the Data Handbook of ACS,
I know the task "Multidrizzle" is used
to correct the geometrical distortion of
the ACS image. But I cannot use this
task in m...

1701

By: fitz

08/11/2008 07:10AM

pstselect ERROR: segmentation violationStarted by:ping, 08/11/2011 07:44PM
Hello,

I saw this old post:

> we seem to have a problem in some
of the Daophot routines
>for some time. Namely in the
routines "pstselect" and "psf" the error
>"segmentation violation" quite often
occurs, especially when using
>wildcards ...

1705

By: ping

08/11/2011 07:44PM

DAOPHOT/psf - sampling interval of re...Started by:ameisner, 10/04/2008 12:12AM
I know that when DAOPHOT/psf creates a
PSF, the residual table has twice the
sampling interval of the actual data
used to create the psf. Given that
generally a large number of stars are
used to create the psf, it seems like it
would be reasonable to ex...

1705

By: valdes

10/04/2008 12:12AM

XGterm does not find app-defaultsStarted by:ThoRa, 11/24/2008 03:33PM
I am trying to install X11IRAF 2.0beta.
I encounter problems with xgterm finding
the app resource defaults, and I get an
inactive window.

What do I have to do? The install script
was used, putting the app defaults in
/usr/lib/X11/app-defaults .
iraf@a...

1706

By: fitz

11/24/2008 03:33PM

Inverse hselect task? (aperture corre...Started by:Gaba_p, 05/16/2009 10:23PM
Hi,

I'm looking for a task that can do what
'hselect' does, but inversely. I.e.: I
need to WRITE only to a certain column
of an '.als' file (the 'MAG' column) a
new value (which is the old value + the
aperture correction) instead of reading
only a cert...

1721

By: Gaba_p

05/16/2009 10:23PM

PSF subtraction problemStarted by:fitz, 03/27/2013 09:58PM
[color=red:91c753834f]Note: posted on
behalf of user by
moderator.[/color:91c753834f]

I have a problem with daophot. I can't
find any answer on the iraf.net forum.
If you or somebody can help, I am much
appreciated.

I am working on images of different...

1722

By: fitz

03/27/2013 09:58PM

kicked out of ds9Started by:wfenton, 07/06/2009 08:19PM
When I try to rimcurs or imexam on a
list of images (or even a single image)
the image is displayed in ds9 and then i
am immediately kicked out back to the
cl, rather than having the opportunity
to, for example, use the 'a' key to get
info. I've tried ...

1722

By: valdes

07/06/2009 08:19PM

How does onedspec interpolate a spec ...Started by:eduardodelpeloso, 07/06/2010 02:38AM
Hi everyone.

I am trying to develop a routine to
combine spectra, like IRAF's scombine,
but coded in C. First I need to
understand how ondespec interpolates a
spectrum to the dispersion of another
one. I have found a previous post where
Frank Valdes ex...

1724

By: eduardodelpeloso

07/06/2010 02:38AM

minor tick in splotStarted by:vega, 04/26/2011 12:12PM
Hi all,

How to add the minor ticks in the
graphic window when using splot or
specplot?I know this can be solved when
using spectool but the problem is that
the spectool seems not stable under
ubuntu linux. I have tried before but
the program always han...

1725

By: vega

04/26/2011 12:12PM

APSUM error Started by:ham, 06/19/2021 09:18PM
Running iraf 2.16.1-2018.11.01 on a
linux64 machine.

Desire: Reducing data from a Fiber
Spectrograph

Step 1) apsum from apextract pkg is run
on a flat-field image. This image is
designed to permit the determination of
the location and shape of ea...

1727

By: valdes

07/19/2021 11:00PM

.snapStarted by:tonetty, 03/05/2011 04:23PM
I must request again your help...
I posted last year a question about my
HP F-4280 all-in-one not working with my

iraf 2.14 running on a UBUNTU 10.4
platform...

No one of the suggestions made was
successfull...

Can anybody help me?

I think that th...

1731

By: fitz

03/05/2011 04:23PM

fourier > forwardStarted by:dbrenner, 09/02/2009 07:46PM
The forward task produces real and
imaginary components that vary rapidly
from positive to negative; these produce
a phase that do the same. What don't I
know that explains this?

thanks

1731

By: dbrenner

09/02/2009 07:46PM

QUERY REGAARDING HOW TO PLOT AZIMUTHA...Started by:bijusaha, 08/04/2023 12:48PM
I have used the ELLIPSE task to obtain
the radial variation of intensity for a
galaxy but that is averaged over
azimuthal angle for each ellipse defined
by some semi major axis. How to extract
the how to obtain the variation of
intensity with azimuthal ...

1736

By: bijusaha

08/04/2023 12:48PM

hselect's missing field broken?Started by:Jason Quinn, 01/02/2009 10:47PM
I noticed today that the hselect command
on my system is not working properly
when the missing parameter is used. This
is odd because it was working about half
a year ago. My only guess is that
somehow the v2.14.1 patch did something
to mess it up. Let'...

1737

By: fitz

01/02/2009 10:47PM

interactive option refuses to work in...Started by:buckleygeer, 12/16/2014 10:07PM
Hi, I have this bizarre problem that the
interactive=yes option on reidentify has
ceased to function. It was working fine
and now it just ignores it and doesn't
give me the option of examining the
solution. I have the ureka 1.4.1
installed on a MacBookP...

1738

By: buckleygeer

12/19/2014 09:33PM

Dark corrections and ccdprocStarted by:Guest, 01/21/2009 04:51PM

I have several light images taken at
different exposure times. I would like
to simplify my life and take only one
set of long exposure dark images and
scale them to the different light image
exposure times. When imaging lights, I
also take a set of...

1738

By: Guest

01/21/2009 04:51PM

sgraph and labelsStarted by:rjvo, 10/31/2010 02:37PM
I can plot a
graph:[code:1:2c9ac7116b]sgraph 'tab x
y'[/code:1:2c9ac7116b]
I have also a label in the table for
each pair of (x,y). How can I put it on
the plot automatically?

1740

By: fitz

10/31/2010 02:37PM

Interesting msctpeak problem with tem...Started by:noooooooooo, 02/04/2011 02:52PM
So, trying to use msctpeak on some data
and it won't work with errors like:

ERROR: Table `/tmp/iraf5202qb' does not
exist or cannot be opened.

When I look in /tmp, sure enough there
is no file "/tmp/iraf5202qb"
but there IS a file
"/tmp/iraf5202qb.tab...

1741

By: noooooooooo

02/04/2011 02:52PM

Persistent sky lines when extracting ...Started by:cwbullivant, 10/18/2014 07:14AM
For the last few months I've been
working with spectra taken at the Bok
telescope at KPNO, and one particular
data set has been especially difficult
to reduce properly. The spectra for this
night are generally fainter than the
rest of the data that I've...

1743

By: cwbullivant

10/18/2014 07:14AM

imexprStarted by:dbrenner, 02/03/2009 08:21PM
I recently upgrade to MACOS 10.5.6.
imexpr has always given me problems but
now I just can't get it to work.

This is one of many failed attempts.

imexpr expr = "((a > 9.4) ? ) 1:0)",
output = Badpixels.fits, a =
Hotpixels.fits

What's wrong?

Thanks

1743

By: dbrenner

02/03/2009 08:21PM

illegal switch errorStarted by:dbrenner, 12/15/2009 05:56PM
Even after going back to the original
code the error persists.
ERROR: boolop: illegal switch
"imexpr ( expr= formula, output =
annulus//"[0,overwrite]", dims = d ..."

formula = " (( sqrt ((I-125)*(I-125) +
(J-125)*(J-125) ) >
"//str(rwidth)...

1745

By: dbrenner

12/15/2009 05:56PM

missing CD1_2 and CD2_1 in combined i...Started by:akooh, 08/29/2010 01:39PM
Dear you,

I am using imcombine task (on IRAF
V12.2.a) to combine a set of Hubble/ACS
images. When I tried to extract
corresponding X and Y positions in the
resulting image for a set of objects
with known RA and DEC (using rd2xy
task), this error appea...

1750

By: akooh

08/29/2010 01:39PM

wiener : task not foundStarted by:nelly, 06/03/2009 03:25PM
Hi,

When I type 'wiener' which is a
deconvolution filter, I get: task
'wiener' not found'.
Although I can access the 'help wiener'
.

Any help?
Thanks
Nell

1750

By: nelly

06/03/2009 03:25PM

coordinates from photStarted by:Angelap, 04/24/2011 11:31PM
Hello,

I am using noao->digiphot->daophot
to calculate the coordinates and the
magnitudes of several stars in an image.
I calculate the coordinate list using
daofind and I use the output list to run
phot and get the magnitudes. I noticed
that the...

1754

By: fitz

04/24/2011 11:31PM

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