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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,...

1186

By: fitz

12/31/2011 01:04AM

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...

1182

By: haha

11/08/2013 11:47AM

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...

1174

By: fitz

01/20/2017 10:37PM

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...

1173

By: fitz

03/20/2014 12:48AM

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...

1172

By: fitz

03/08/2017 05:15PM

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...

1168

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...

1168

By: Guest

01/11/2010 07:55PM

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...

1166

By: fitz

11/25/2014 07:25AM

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 ...

1164

By: phil_hodge

03/06/2014 01:44PM

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...

1156

By: fitz

11/05/2013 06:32PM

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...

1154

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...

1153

By: Guest

12/27/2009 09:02PM

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...

1145

By: fitz

11/26/2015 04:01PM

If a task is a script or executable?Started by:AndrewS, 11/28/2010 04:44PM
Can anyone tell me what is the easiest
way to find out if a task is a script
file or an executable program? ie. is it
possible to bring up a list of all tasks
that are script files?

I understand "help <taskname>
option=source" will bring up the s...

1140

By: fitz

11/28/2010 04:44PM

Problems with qphotStarted by:Giorgio, 10/29/2014 06:39PM
When I run qphot, I get this warning:
"Graphics overlay not available for
display device".

What does it mean?

Thanks
Giorgio

1138

By: fitz

10/29/2014 06:42PM

Can't open files on mounted disksStarted by:dagorym, 06/03/2016 11:28PM
I have a computer that has 3 drives in
it. The first contains the operating
system and all it's associated
directories. The second two are mounted
as data drives off the root (/)
directory.

Iraf works just fine on files on the
system drive but when...

1132

By: fitz

06/04/2016 12:20AM

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...

1128

By: sastanford

05/13/2016 06:36AM

FEROS DRSStarted by:giannicatanzaro, 04/09/2015 08:02AM
hello guys

I downloaded a FEROS tarball with data
like those ones:

r.FEROS.2006-06-20T04:16:45.241.1051.fits
r.FEROS.2006-06-20T04:16:45.241.1052.fits
r.FEROS.2006-06-20T04:16:45.241.1061.fits
r.FEROS.2006-06-20T04:16:45.241.1062.fits
r.FEROS....

1112

By: gmaravel

06/16/2015 04:19PM

How to create a accurate WCS with som...Started by:Matrix, 05/12/2015 03:18AM
Hello, everyone! Today I encounter a
second question: I found the WCS and
RA/DEC did not have a right
correspondence in my fits file. And this
cause a problem: when I want to know the
target star, I move the mouse to the
accurate RA/DEC (from the header...

1110

By: Matrix

05/13/2015 08:43AM

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...

1108

By: giannicatanzaro

07/23/2013 08:10AM

Extremely large pixel valuesStarted by:fergusjm, 07/09/2015 03:46PM
Hello, I'm having a problem after
dividing my trimmed frames by the
response to the combined flat field.

# IMAGE NPIX
MEAN STDDEV MIN MAX
trim_26_1354 1890304
848.7 1204. -2591. 498...

1098

By: fitz

07/09/2015 06:15PM

Binary missing from fitsutil in IRAF ...Started by:emma, 11/21/2013 09:59PM
Hi Mike,

Today I installed IRAF v2.16.1 on my
laptop (Mac OS X 10.8) and also
installed fitsutil (using make
fitsutil). However, I noticed that the
libmef.a binary was not included in the
bin directory in the fitsutil directory
(we need this binary t...

1095

By: emma

11/22/2013 03:23PM

how to konw which stars have saturate...Started by:Matrix, 05/13/2015 09:28AM
Like the topic, when I want to know some
stars whether they have saturated the
CCD, what can I do?

1092

By: Matrix

05/23/2015 10:52AM

listing pixels in a circular apertureStarted by:nk, 01/16/2015 12:57PM
Hello

Is there any way in iraf to list pixels
in a circular aperture (defined by its
radius) ?

(as far as I know, "listpix" in iraf
allows to list pixels either for the
whole image or for a rectangular area)

Thank you

1090

By: fitz

01/16/2015 04:38PM

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...

1088

By: fitz

11/02/2017 12:53AM

segmentaton violation with 2-meter KP...Started by:daniela, 03/31/2014 07:23AM
Hello,
I am at the dome of the KPNO 2-m
telescope and have downloaded on my
laptop a bunch of images just obtained
with the
CCD camera (STA3) .
To much of my surprise, I can't read
these images in IRAF. No matter what
package I use, I get: `ERROR: ...

1086

By: fitz

03/31/2014 02:43PM

REFSPEC IssuesStarted by:cac5280, 08/06/2016 03:06PM
Hello, there.

I am having some issues with REFSPEC.
When I try to run it, I keep receiving
the error "wrong aperture". I know the
reference spectra are
identified/reidentified, and I know that
they correspond to the target spectra
because I extract...

1084

By: cac5280

08/06/2016 03:06PM

memory usageStarted by:massey, 09/12/2014 04:59AM
I'm running a script to reduce some data
from Las Campanas, and I realized that
it was gobbling up all of my machine's
memory (32Gb) in a matter of a a few
minutes. (This is on one of the new Mac
Pro's running Mavericks; I see similar
behavior on my la...

1073

By: fitz

09/12/2014 08:22PM

Moved IRAF 2.12.2a to new system. Un...Started by:justinc, 07/09/2021 03:48PM
I have moved this installation of IRAF
to new systems several times, but it's
getting really long in the tooth.
The thing is, it works, and I can't get
newer installations to work the way we
need them to in our environment.
I think I have most things...

1069

By: admin

07/19/2021 05:01PM

stitching four images into oneStarted by:massey, 08/21/2014 01:25PM
I'm using a CCD camera that reads out
through 4 amplifiers and (sadly)
generates four separate images: c1, c2,
c3, and c4, each 2048x2056. I'm writing
a simple pipeline for putting the pieces
back together into a single 4096x4112
image after removing t...

1067

By: massey

08/21/2014 04:12PM

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