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MSCSETWCSStarted by:dopitz, 05/26/2016 07:05AM
Hello

I am trying to apply a WCS Database
(created by someone else) to other
exposures. I am doing:

mscred

for(i=1;i

883

By: dopitz

05/26/2016 07:05AM

xgterm/iraftermStarted by:sastanford, 05/13/2016 06:36AM
When running interactive tasks such as
apall or identify, most (but not all) of
the keystroke commands do not work
within the irafterm window. For
example, if I want to resize the display
area using "w" and then "e" the graphics
terminal recognizes the...

1117

By: sastanford

05/13/2016 06:36AM

CCMAP & WCS & PIXEL SCALEStarted by:Diego Farías, 12/17/2015 02:46AM
I have a question guys... Does CCMAP
have a limitation of pixel scale (as a
fitting parameter)? I'm working with
images of 0.125 arcsecond/pixel and I
have encountered problems with CCMAP and
plate solutions.

As a 'safety test', I've tried to
const...

704

By: Diego Farías

12/17/2015 02:46AM

Bug in IRAF install scriptStarted by:astrorafael, 12/15/2015 03:32PM
Hi:

I have found a small bug trying to
install IRAF. Running instal script
--system gave me an error in line 1006

Installed IRAF wSystem account with bash
as the SHELL

Patched the script like this

[code]1006c1006
< if (( "$err_seen...

672

By: astrorafael

12/15/2015 03:32PM

SAOImage DS9 7.4b7 is availableStarted by:joye, 09/23/2015 04:43PM
SAOImage DS9 7.4b7 is available at
http://ds9.si.edu/site/Beta.html.

This version contains a number of bug
fixes addressing issues with IRAF. In
particular, a problem with imexamine
introduced in earlier beta versions has
been corrected.

Regards
...

795

By: joye

09/23/2015 04:43PM

using imexam with ra/dec coordsStarted by:jcadien1, 07/21/2015 03:32PM
For a long time I have used imexam in
bash scripts, passing to it coords in
x,y format. I now would like to use
ra/dec instead. I have tried this and I
get garbage output. I have played with
the wcs parameter, as well as the
formats. Nothing works. Whe...

694

By: jcadien1

07/21/2015 03:32PM

trouble getting fc to compile my old ...Started by:buta, 07/20/2015 03:43PM
Hi,

I have a relatively new MAC OSX desktop
(with Yosemite 10.10.4 upgrade) and have
installed iraf using iraf-macosx.tar.gz.
As far as I have been able to tell, the
installation was successful. However, I
have had trouble getting task fc to
compile ...

950

By: buta

07/20/2015 03:43PM

arc/standard star/object comsbination...Started by:haha, 07/10/2015 09:22AM
Hi all,
If there are two different exposures
along two different columns for one
object, one has to process them
independently, and at last combine the
two spectra to remove cosmic rays?

If arc lines are taken independently,
for example, He/Ne/Ar ar...

790

By: haha

07/10/2015 09:22AM

ds9 issue (saving image with coordina...Started by:TheWonderer1, 07/06/2015 07:11PM
Hi there,

I am not using this for any true kind
of publication but more so we can
reference material. However, it is very
important that I have a coordinate
system where I can plot the WCS.
Whenever I try to save as a PNG or JPEG
it does not functio...

1334

By: TheWonderer1

07/06/2015 07:11PM

chpixtype questionStarted by:massimo55, 03/04/2015 05:52PM
Hello,
I have a problem converting pixel type
from “real” to “ushort”.
I am working on images that originally
were in MEF format, and that were
converted with WFIT command in single
images with pixel type “real”.
I would like to convert ...

796

By: massimo55

03/04/2015 05:52PM

PSTSELECT picking stars that have val...Started by:debrunlm, 10/20/2014 09:01AM
Hello,

I am currently doing photometry on
single drizzled WFPC2 images of globular
clusters. The cosmic rays have been
flagged at 100000 and the datapars
datamax is set to avoid these high
values. Setting the datamax works to
avoid these high values ...

743

By: debrunlm

10/20/2014 09:01AM

xgterm freeze after ubuntu upgradeStarted by:ircarrascal, 08/26/2014 08:48PM
This is actually a problem solved, but I
wanted to share in case someone needs
it.

Recently I upgraded to Ubuntu 14.04 and
installed IRAF v2.16.1. When using
xgterm, after 10-30 seconds the system
would freeze and I had no choice but to
reboot every ...

718

By: ircarrascal

08/26/2014 08:48PM

ERROR: segmentation violation ---cosm...Started by:haha, 08/17/2014 09:24AM
I find a similar topic here
https://iraf.net/forum/viewtopic.php?showtopic=1465779
However my system is linux 64 bit.
After I download
ftp://iraf.noao.edu/iraf/v216/support/linux64/x_crutil.e
, put it in noao.bin.linux64 and make it
executable, the pr...

717

By: haha

08/17/2014 09:24AM

iraf 2.16.1 not recognizing options -...Started by:marco.03, 07/10/2014 06:00PM
Hi.
the cl startup scripts (cl, ecl and
vocl) in IRAF v2.16.1 do not recognize
options, like '-old' or '-ecl'. I traced
the problem to the 'if' inside the
'case' statement at the start of the
bash scripts (lines 16-44).

Two things should need to be ...

688

By: marco.03

07/10/2014 06:00PM

RESPONSE fit functionStarted by:nippur_1967, 07/03/2014 06:03PM
Reduction of long-slit spectra.

When you run the task RESPONSE to flat
averaged (dome or lamp) a function is
necessary to fit in the direction of the
dispersion.

I want to know that criteria used to
select the function and order.
Of course that i...

676

By: nippur_1967

07/03/2014 06:03PM

How to implement a standard PSF into ...Started by:nusjjsun, 04/10/2014 08:22PM
I'm working on psf-fitting the data from
IRAC. DAOPHOT has a standard procedure
of creating an empirical PSF from
isolated field stars. But IRAC itself
has a standard PSF (they call it PRF
since it's location dependent) for each
of its channel. Those PS...

1712

By: nusjjsun

04/10/2014 08:22PM

anybody did fors2 of vlt spectrum bef...Started by:haha, 11/08/2013 11:47AM
Q1
The wavelength range is fixed once the
grim of fors2 is choosed,right?
http://www.eso.org/sci/facilities/paranal/instruments/fors/inst/grisms.html
what is the wavlength range of g300v?
Q2
Who has the extinction file of Paranal
Observatory whic...

1178

By: haha

11/08/2013 11:47AM

Bus error when attempting to run Started by:leonard, 10/14/2013 07:11PM
Hello,

I have a Macbook Pro Retina 15" with
an Intel Core I7 ("Mid 2012"), 64-bit,
with IRAF v. 2.16 installed. When I
attempt to run the fitparams task (in
the noao.digiphot.photcal package) it
exits immediately with:

ERROR: bus error

From ...

825

By: leonard

10/14/2013 07:11PM

splot FEROS spectraStarted by:giannicatanzaro, 07/23/2013 08:10AM
Hi all

I downloaded FEROS spectra from the ESO
archive, but I have problem when I use
splot to see the spectrum.

Giving the command
splot
r.FEROS.2007-01-30T01:57:04.945.1051.fits[*,1]

I get a plot not calibrated in lambda
but in "position", start...

1103

By: giannicatanzaro

07/23/2013 08:10AM

Beta release of Ureka Python + IRAF d...Started by:jturner, 06/03/2013 11:36PM
People may be interested in the
annoucement we sent out today of a new
software distribution from STScI and
Gemini that includes IRAF 2.16.

Cheers,

James.

-----

STScI and Gemini are announcing the
first public beta release of the Ureka
binary packag...

1779

By: jturner

06/03/2013 11:36PM

mkpkg command suggestionStarted by:Jason Quinn, 12/01/2012 09:27AM
In [b:be30d322f1]mkpkg[/b:be30d322f1] in
[b:be30d322f1]pkg/vocl[/b:be30d322f1], I
noticed these two lines:

[code:1:be30d322f1]!egrep -v
"\<stdlib.h\>" y.tab.c
> ytab.c;
!egrep -v "\<stdio.h\>"
ytab.c > ntab.c; mv n...

1487

By: Jason Quinn

12/01/2012 09:27AM

daofind bug when starmap and/or skyma...Started by:Jason Quinn, 07/01/2012 07:22PM
For the
[b:d20d196728]daofind[/b:d20d196728]
task, if the starmap or skymap
parameters are blank (such as a space),
daofind will delete the input image and
exit with error. (Adding a null prefix
equals the input filename, which is the
source of the prob...

1586

By: Jason Quinn

07/01/2012 07:22PM

Problem with reidentifyStarted by:T_anestis, 04/04/2012 09:38AM
I have extracted an arc-lamp spectrum,
and then i used the task identify in the
onedpsec package. The RMS i got is low
(0.12) so that one was done ok.

In the database directory that was
created after i ran identify, i got the
the file idlamp.

# Wed ...

1639

By: T_anestis

04/04/2012 09:38AM

GMOS photometry questionStarted by:sebastian, 03/21/2012 04:13PM
Hello all, I have a fairly simple
question. It's about performing
photometry measurements on GMOS data.
Since GMOS has three detectors, each of
them with their own gain, rdnoise and
bias levels, images are then multiplied
(at the processing stage by gir...

1336

By: sebastian

03/21/2012 04:13PM

creating simple test imagesStarted by:AndrewS, 03/14/2012 09:57AM
Hello

I want to create simple "test images" (
ie.completely artificial images where I
define the value of every pixel) to see
if the functions I am attempting to
apply to an image are working correctly.
So these test images would likely have a
very si...

1244

By: AndrewS

03/14/2012 09:57AM

Austin AAS Demos -- VO and IRAF v2.16Started by:fitz, 12/31/2011 01:04AM
If you'll be at the Austin AAS meeting
next month, I invite you to stop by the
VAO booth for a demonstration of some of
the new VO capabilities (and other
enhancements!) coming in v2.16. A
preview of VAO applications, including
the VO/IRAF integration,...

1182

By: fitz

12/31/2011 01:04AM

Bug Report: MedianStarted by:mlarichardson, 08/04/2010 08:30PM
I have been trying to rewrite a 2D-fits
file with every pixel equal to the
median of the image. The image has
dimensions 59X61. I attempt this by:

> median(input="2dfile.fits",
output="result.fits", xwindow=59,
ywindow=61, boundary="wrap")

The resu...

1510

By: mlarichardson

08/04/2010 08:30PM

reidentify - fitcoordStarted by:donzelli, 07/27/2010 01:56PM
Hi all,
I'm still trying to solve why I get a
bad wavelength calibration using
fitcoord foutine and I hope someone out
there could help.
The plot for x-y coordinates of the
identified lines is here:

http://www.iate.oac.uncor.edu/~charly/fitcoord.png

I...

1488

By: donzelli

07/27/2010 01:56PM

INDEF after invertfit taskStarted by:Amanpreet, 07/12/2010 09:26PM
Hi

I am learning aperture
photometry.Everythign goes fine until it
reaches invertfit.It does not give any
kind,but generates a file with no
magnitude calculation for my object.
It looks like:
Columns:
# 1 object id
# 2 B
# ...

1390

By: Amanpreet

07/12/2010 09:26PM

Making a CMDStarted by:rsamra, 07/02/2010 05:31AM
Hi there I'm somewhat new to IRAF I was
wondering if there was a good guide out
there for helping make a Color Magnitude
Diagram in just IRAF. I know how to do
aperture or PSF photometry on the
individual filters however the problem I
get is registering...

1790

By: rsamra

07/02/2010 05:31AM

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