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Possible to set rimexam radius value ...Started by:psymon104d, 12/17/2014 02:11PM
I am analysing faint X-ray sources from
Chandra data using imexamine and
specifying the aperture radius from
within the rimexam parameters.

>epar rimexam

I have coordinates for all my sources
and I have the corrected aperture radii.
I need a spec...

1186

By: psymon104d

12/18/2014 04:24PM

imstat algorithm: sigma clippingStarted by:KevinVolk, 12/19/2014 06:37PM
I routinely use imstat to get statistics
on images. One of the more useful
aspects of imstat is the ability to do
the sigma clipping and remove deviant
pixels. I use it a lot to look at
detector characterization data and get
the mean/standard deviatio...

1825

By: fitz

12/19/2014 06:47PM

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...

1735

By: buckleygeer

12/19/2014 09:33PM

how to use adumpcatStarted by:jcadien1, 01/06/2015 02:55AM
I have iraf installed on my home
computer. I want to use adumpcat to get
sections of astrometric catalog for use
in finding coords of stars on
images.(very large images). I have tried
it but could not connect to online
catalogs. For example, the output ...

1355

By: fitz

01/13/2015 04:05AM

XGterm problem with implot Ureka -- O...Started by:fitz, 01/17/2015 08:10PM

[color=red][Moderator's Note:
Forwarded from story
submission][/color]

I installed Yosemite which messed with
my original IRAF install so I installed
Ureka and it's working okay but I can't
use implot or imexam - instead, the
terminal poops out...

1960

By: fitz

01/17/2015 08:14PM

MSCIMAGE problemStarted by:fitz, 12/15/2014 04:12PM
[color=red][Moderator's Note: Forwarded
from story submission[/color]

I have a mscimage problem:

mscred> show version
NOAO/IRAF V2.16.1
mscred> unlearn mscimage
mscred> ls tmp*
ls: cannot access tmp*: No such file or
directory
mscred> mscima...

2240

By: tapio

01/20/2015 03:22PM

fconvolveStarted by:anestis_tziam, 01/21/2015 02:01PM

I have created a 2nd order psf in
daophot. When i do imhead on the psf
file i get the following:
4U1543-624_36_sh.fits.psf.1.fits[30,30,6][real]:
PSF for image: 4U1543-624_36_sh.fits

I want to use this psf image on the
fconvolve task. I trie...

1622

By: fitz

01/21/2015 04:52PM

ds9 'illegal instruction: 4'Started by:mstribitaka, 09/19/2014 03:17PM
ds9 suddenly stopped opening for me, it
was coming up with some 'conflict'
error. So I decided to re-install both
IRAF and ds9 to see if that fixed the
problem. It didn't.

When I type 'ds9' at an xgterm prompt
(via X11) it says:
'Illegal instru...

1509

By: mstribitaka

01/23/2015 05:39PM

Add external scriptStarted by:anestis_tziam, 01/27/2015 06:18AM
Hallo to all,

I need to add an external iraf
script. This is just a .cl file, so I am
not talking for a package or anything
else. How can I make this active and use
it like the rest of the scripts?

Thanks a lot.

939

By: fitz

01/27/2015 08:17AM

tvmark usuageStarted by:anestis_tziam, 01/29/2015 08:47AM

Hallo to all

I used daofind on my image to
create a .coo file. When i tried to use
tvmark to overplot the image with the
.coo file i got just a black empty
field. This is my epar. Any hint on
what I have done wrong? Thanks a lot

...

1972

By: fitz

01/30/2015 05:17PM

creating a mosaicStarted by:jellyman, 01/18/2011 06:24PM
Hello.

This might be not a IRAF specific
question, but I thought of asking anyway
( maybe it can be done through iraf ).

I have many fits images, from the same
patch of the sky, obtained with the same
instrument. The astrometry has been done
on them. ...

5201

By: fitz

02/06/2015 05:46PM

ionic resultStarted by:samirsalim, 02/09/2015 06:11PM
I would like to perform a large number
of abundance calculations using STSDAS
nebular.ionic. The task is supposed to
write the result in a variable "result",
so it can be used in a script, however,
when I do:

print (result)

I get that the paramete...

2074

By: samirsalim

02/09/2015 06:30PM

apall routine is not extracting the w...Started by:jadiazt, 02/09/2015 10:11PM
Dear,

Hello, I am having the following
problem, I am trying to get a
1-dimensional spectrum from a
2-dimensional spectrum, already
calibrated by wavelength. The issue
comes that the routine apall is not
extracting the whole spectrum. It only
extracts...

742

By: jadiazt

02/09/2015 10:11PM

IRAF Display CommandStarted by:mkherman, 02/11/2015 05:31AM
I currently have iraf version 2.16.1 and
ds9 version 7.3.2, all with mac osx
10.9.5.
I'm pretty new to iraf and I'm having
some issues using the 'display' command
with ds9. I get an error saying "Cannot
open device (node!imtool,,512,512)".
I think th...

2702

By: fitz

02/11/2015 06:55AM

imcombine helpStarted by:sa14722, 02/04/2015 05:59PM
Hello all. I'm at a bit of an impasse
using the imcombine function and was
hoping someone could shed a little bit
of light to my problem.

So I have two images of a galaxy cluster
which I'm averaging together using
imcombine. However one of the images...

1561

By: sa14722

02/12/2015 07:42PM

Measuring EW with conitnuumStarted by:adnan, 03/01/2015 07:34PM
Hello.

I have been given the task to measure
the equivalent width of a spectra.
But I also need to use a continuum first
and then measure ew by using 'e'.

After I get the continuum using
'onedpsectra', I then super impose the
spectra on the conti...

1391

By: fitz

03/04/2015 03:43AM

fit1d and pixel mask with bad pixels ...Started by:gbhw, 03/06/2015 04:20PM
Dear Frank Valdes,

With fit1d, I would like to fit and
subtract the background of images, using
during the fit a pixel mask masking both
sources within the images and pixel
regions at borders (the latter usually
set at extreme high or low values in
t...

1111

By: gbhw

03/06/2015 04:20PM

sgraph error barsStarted by:gbhw, 03/06/2015 03:46PM
Hello,

Both sgraph and pltpar indicate "bar" as
an option for pltpar.errtype. However,
it is not recognized when applying
sgraph after typing pltpar.errtype="bar"
(either in iraf terminal or in epar mode
for pltpar):

tbplot> sgraph
ambiguous abbr...

1040

By: fitz

03/06/2015 05:14PM

problem with apflattenStarted by:thsyu, 03/10/2015 01:32AM
Hi!

I'm attempting to normalize my ESI flats
(10 orders) with apflatten, using a
trace as defined by a bright hot rotator
star. We fit a high order polynomial to
the extracted flat field spectrum, and
my problem is that my resultant
normalized flat i...

1103

By: thsyu

03/10/2015 01:32AM

Problem with rfitsStarted by:grayro, 03/18/2015 07:11PM
Hi,
I am reposting this, as the original
seems to have been lost. I am having a
problem with rfits in a simple script
which I do not seem to be able to get
past. The script is:

string star = "first"
string *nlist
real expos
int f
i = 0

whil...

972

By: fitz

03/26/2015 06:38PM

Imstat on circular region Started by:prajwel, 04/04/2015 12:00PM
Hi,

I want to know the standard deviation of
pixel values in a circular region. I
tried in this manner, but failed.

[code]cl> type expr ((sqrt((I-256)**2) +
(J-256)**2) >= 5) ? -1 : a)
cl> imexpr @expr statimg
a=M13refim.fits
cl> imstat statimg ...

1084

By: prajwel

04/05/2015 07:59PM

ERROR: Seek error on fileStarted by:corrado, 04/05/2015 09:52AM
Hello all,

the lastest version of IRAF I installed
(2.16) seems not to take lists of
spectra, the problem is not bound to one
particular task. For instance, by using
scopy on a list of spectra @list.fits I
get the error

ERROR: Seek error on file (...

3883

By: corrado

04/09/2015 07:37AM

copy headerStarted by:Alextreme, 04/25/2015 04:42AM
how can I copy all the headers from a
image to other image with IRAF?

1809

By: fitz

04/26/2015 01:01AM

Gemini nisky taskStarted by:fitz, 04/16/2015 03:59PM
[color=red][Moderator's Note: This
message being reposted due to accidental
trap in spam filter][/color]

I am trying to reduce my Gemini NIRI
data, using the IRAF package they
provide. I followed the example
reduction packaged with the scripts
(niri...

1038

By: fitz

04/27/2015 07:54AM

psfmatch?Started by:anestis_tziam, 01/14/2015 02:57PM

Hi I am trying to match the psf of
two frames, but it seems that I am
missing something. I have create the psf
profiles for each image with
psf/daophot and then I am trying to
match the psfs with psfmatch, but my
result doesn't make sense at ...

1971

By: sarik93

05/22/2015 03:38AM

simultaneous fit to multiple arclampsStarted by:lucy1023, 05/24/2015 10:44PM
Is there a way to get IRAF to fit
multiple different arclamps
simultaneously, without adding the
arclamps together (which would lead to
some blending)? e.g., say I'd like
Identify to find all the features in a
HgNe lamp, then separately find all the
fea...

767

By: lucy1023

05/24/2015 11:19PM

finder_221 installation problemStarted by:prajwel, 06/01/2015 11:47AM
Hi, I am trying to install finder on a
centos. I tried "dynamic external
package loading", but unfortunately
finder is not listed there. I downloaded
the file from
ftp://iraf.noao.edu/iraf/extern/finder_221.tar.gz
and tried running "mkpg redhat". I end
...

806

By: fitz

06/03/2015 04:25PM

Problem with gsflatStarted by:Eskol_Valentine, 06/13/2015 06:16PM
Hi, I have the last version of gemini
(with Ureka), but I'm a little
complicated with the task gsflat. Two
days ago, I was able work with my
standard, but yesterday I wanted to
continue with the galaxy, but I got this
error:

-------------------------...

800

By: fitz

06/15/2015 08:59PM

The task BVCORR is not workingStarted by:fitz, 06/18/2015 09:06PM
[color=red][Moderator's Note: Forwarded
from Story submission][/color]

I have the version 2.7.8 of RVSAO
installed (November 2009)

I can't edit nor see the parameters of
the task BCVCORR (a task included in
RVSAO to correct radial velocities)
and...

1472

By: fitz

06/18/2015 09:40PM

Ximtool Very Slow Loading ImagesStarted by:Aldelphi, 06/19/2015 11:25PM

I just upgraded my MacBookPro to
Yosemite. I was using Snow Leopard and
when I loaded 2048x4100 pixel images
into Ximtool from IRAF using the Display
routine they would load quickly in
seconds in Snow Leopard. Now, to load
one image takes about ...

1008

By: fitz

06/24/2015 05:59PM

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