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Last Post

implot DONOT show any diagram but mes...Started by:chaorun, 11/26/2015 12:10PM
Hey, guys

I am a new student of astronomy, I just
install IRAF this afternoon.
But I have a question about the command
‘implot’.I need ur help!
My enviroment is a new Ubuntu in Vitrual
BOX.
here is the messy codes:

implot fm920001.fits
s...

1142

By: fitz

11/26/2015 04:01PM

Masks and image arithmeticStarted by:spacermase, 02/18/2010 02:23AM
This is probably something of a neophyte
question, but I've been working with .pl
masks generated by the objmasks package.
When I try to perform image arithmetic
on them (say, "imarith image - mask
output"), it goes through fine (no
errors), but the ou...

1147

By: fitz

02/18/2010 02:23AM

iraf in cygwin problemStarted by:Guest, 12/27/2009 09:02PM
Hello
I installed iraf in cygwin and it
worked, but for some unknown reason,
now it do not work, try reinstalling did
not work. He tells me the
following error:

$ cl
**:
^
ERROR: syntax error
called as: `cl`
called as: `cl`
Error while r...

1149

By: Guest

12/27/2009 09:02PM

mscgetcat / adumpcat failuresStarted by:sjanowie, 11/05/2013 03:46PM
Hi,

Starting late yesterday afternoon, both
mscgetcat and adumpcat stopped working.
They gave either "Catalog not found" or
a segmentation fault errors, even when I
tried from multiple computers/OSs/etc.
Is there something going on at the NOAO
end of...

1153

By: fitz

11/05/2013 06:32PM

hedit doesnStarted by:phil_hodge, 03/05/2014 09:43PM
Using "NOAO/IRAF PC-IRAF Revision 2.16
EXPORT Thu May 24 15:41:17 MST 2012"
(according to the login banner), hedit
does not consistently separate fields
where there are commas in the 'fields'
parameter. Here is an example. The
file test_prism.fits is ...

1160

By: phil_hodge

03/06/2014 01:44PM

segmentation violationStarted by:giannicatanzaro, 11/21/2014 05:29PM
Hi

I installed the new 2.16.1 on my
openSUSE 12.1 laptop and I got some
problems:

if I use "imdelete" or "ccdproc" I got
the errors "segmentation violation", and
of course I did not
have this problem with the 2.15 on the
same computer

any help...

1162

By: fitz

11/25/2014 07:25AM

ds9 locationsStarted by:duvall, 05/21/2015 05:36AM
In my old setup at Stanford (linux iraf;
version 6 ds9), I could get nice
positions within an image by loading the
image into ds9 using the display task
(say after setting stdimage=imt800) and
putting the cursor onto a location and
reading off the posit...

1164

By: duvall

05/27/2015 06:08AM

fitsutilStarted by:Guest, 01/11/2010 07:55PM
Hi,

I'm having trouble installing the
fitsutil package and compiling the
executables. My system is macintel.

Being logged on as an IRAF user, I put
the fitsutil source in
/iraf/iraf/extern/fitsutil and also
editted the extern.pkg file
but the foll...

1165

By: Guest

01/11/2010 07:55PM

Syntax Error on procedure callStarted by:LukeD, 03/02/2017 07:51AM
I am trying to create my first procedure
script by creating a .cl script, placing
it in /home/iraf/listcreate.cl and then
running
task listcreate =
/home/iraf/listcreate.cl

but whenever I try to run it by typing
'listcreate' I get an error:
**: pr...

1166

By: fitz

03/08/2017 05:15PM

Save ellipse overlays to a fileStarted by:vsravani, 03/19/2014 09:00PM
Hi,

Can somebody suggest me how to save the
output of isoimap or isoexam using a
script?
Essentially, I wish to save an image
with the ellipse isophotes and bad
pixel mask overlayed. Because I am
doing it for 100 galaxies, I wish to
write a script...

1169

By: fitz

03/20/2014 12:48AM

String manipulation in IRAFStarted by:grayro, 01/20/2017 09:58PM
Hi, I am having problems with some RA
and DEC keywords in fxcor. fxcor wants
the values to be delimited with colons,
such as "12:30:56", but I have some
spectra which have spaces instead: "12
30 56" and fxcor chokes on those. I
want to be able to edi...

1170

By: fitz

01/20/2017 10:37PM

ctrl D not working while doing photom...Started by:dimrsl, 11/10/2023 04:28PM
iraf v2.17
ds9 8.3

Ctrl D is working in general but while
Im trying to select (I set the cursor
above my object and click 'r' ) my
reference objects and main object on ds9
this operation is not working, so Im not
able to save or finish the task or a...

1171

By: fitz

11/11/2023 01:27AM

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...

1179

By: haha

11/08/2013 11:47AM

Image registration and trimStarted by:mjmazur, 08/21/2016 10:44PM
Hi.

I'm looking for a way to automatically
register images by their WCS and then
trim them back to the largest area of
common overlap.

Right now, I'm doing this with SWarp and
saving the intermediate images. The
problem with this is that, in order...

1182

By: mjmazur

08/21/2016 10:44PM

imalign trouble Started by:Liz, 07/24/2016 01:23AM
So I am trying to align 17 files after
making all the corrections. I have a txt
file with the reference star coordinates
(I am only aligning with one star) that
looks like
416.3 230.5
and a txt file with all the shifts
starting with the reference f...

1183

By: fitz

07/24/2016 04:22AM

failure in setting imtype in login.cl Started by:amagaz, 10/21/2014 06:37PM
Hello

I have a problem with iraf 2.16.1 in
ubuntu 14.04 (64bit)

There must be something overriding the
value of imtype I give in the login.cl
or loginuser.cl, because whatever I set
there, a "show imtype" gives me "fits",
and new images are creat...

1183

By: amagaz

10/22/2014 07:40AM

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,...

1183

By: fitz

12/31/2011 01:04AM

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) ...

1185

By: hbarker

07/26/2017 03:13PM

PANIC from x_ccdred.eStarted by:jmccormac001, 07/25/2014 06:47PM
Hi Guys,
I am running IRAF 2.16 on OS X Mavericks
as part of scisoft and get an error from
ccdproc when trying to reduce some
science images.

PANIC in
`/usr/local/scisoft//packages/iraf/iraf/noao/bin.macintel/x_ccdred.e':
Memory fwa has been corrup...

1196

By: fitz

08/01/2014 04:58AM

SDO DataStarted by:CosmicLettuce, 03/10/2016 01:44AM
Hello!

Do you have any suggestions on how to
deal with these compressed FITS tables
from SDO? I'd like to convert them to
regular uncompressed FITS images.

Here are some examples:

http://jsoc.stanford.edu/data/hmi/fits/2016/03/09/

Much Than...

1197

By: CosmicLettuce

03/10/2016 02:22AM

List error on MacOSX 10.9.5 under V2.16Started by:ltacconi, 07/16/2015 12:39PM
I'm having weird problems (that I've
never seen before) when I'm now trying
to use IRAF (V2.16) on my iMac running
Mac OS X 10.9.5. Specifically, I'm
using the task 'cosmicrays' (which I've
used in the past a zillion times). I
haven't done further tes...

1198

By: ltacconi

07/17/2015 01:09PM

problems running loop_drizStarted by:Francesca, 07/19/2011 03:31PM
Dear user support,

I am trying to run the loop_driz task on
non-HST images.
I get the following error:

ERROR: Attempt to access undefined local
variable `gcount'.

"if (gcount == 4) {"
line 184: dither$loop_driz.cl
called as: `loop_driz (...

1203

By: fitz

07/19/2011 03:31PM

literal ^ in stringsStarted by:Jason Quinn, 10/25/2012 04:43AM
I've noticed a issue with literal carets
in strings. This arose because I was
trying to use the match task in a
script. I wanted to do a command like

[code:1:1e48f524e3]match "^1"
myfile[/code:1:1e48f524e3]

to list all lines that begin with ...

1217

By: fitz

10/25/2012 04:43AM

im3dtran problemStarted by:duvall, 07/08/2011 04:55PM
I have an image of type int
npts3[7,4,1,224]. I wanted to rearrange
the axes and get rid of the length 1
axis, so I executed
im3dtran npts3[*,*,1,*] npts3_fix 3 1 2
But then I found some problem with the
result:
listp npts3[1,3,1,1:6]
1. 77360.
2. 6...

1226

By: fitz

07/08/2011 04:55PM

Multiple IRAF/DS9 users on single mac...Started by:npaust, 03/06/2015 02:07AM
I have my students learning IRAF to do
some little projects and I'm running
into an odd problem. They're all SSHing
into a single workstation (with
individual accounts) and then displaying
the xgterm/ds9/etc windows on their own
Mac laptops. To get ds...

1235

By: npaust

03/06/2015 01:22PM

improving the calibration accruacy....Started by:amalmirando, 03/09/2010 07:16AM
What methods can be used to increase the
accuracy of the calibrated spectrum?

1236

By: amalmirando

03/09/2010 07:16AM

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...

1245

By: AndrewS

03/14/2012 09:57AM

memory corruption in xyxymatchStarted by:, 07/05/2010 08:03AM
A colleague has stumbled upon a bug in
xyxymatch. When nrefstars==3, nrmaxtri
(which is used in computing the
allocation size for reftri) ends up
being equal to 1. Later, rg_tvote()
(called via rg_match()) assigns values
to reftri(2,RG_MATCH) and reftri...

1245

By: fitz

07/05/2010 08:03AM

light curve generationStarted by:fks, 06/28/2013 09:40AM
Hi
Can you please tell me what task can i
use for light curve generation from flat
fielded fits files? Earlier i used
Vaphot. Is there any task similar to
vaphot?

1246

By: fitz

06/28/2013 09:40AM

Error when running command clStarted by:Maria, 12/02/2016 10:00AM
I have installed Iraf in Cygwin but when
I try to run the cl command this error
appears:

os.zgtenv: cannot open
`/usr/include/iraf.h'
task `cl' has no param file
Fatal startup error. CL dies.

1247

By: fitz

12/06/2016 09:11AM

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