iraf.net

Welcome to iraf.net Wednesday, May 01 2024 @ 02:50 PM GMT

Forum Index > Help Desk > General IRAF

New Topic

First | Previous | 1 2 3 4 5 6 7 | Next | Last

Topic Subject

Views

Replies

Last Post

IRAF Login - Slow startup times solutionStarted by:admin, 03/05/2019 05:49PM
On March 1, NOAO disabled access to the
iraf.noao.edu website from outside of
the firewall (see
[url]http://ast.noao.edu/data/software[/url]).
As a side-effect, the CHKUPDATE command
in the login.cl file that uses the
website to check for package updat...

2626

By: admin

03/05/2019 05:49PM

xgterm not opening when starting up IRAFStarted by:70007k, 05/03/2023 01:56AM
I have run into an issue opening xgterm.
I did the usual conda activate iraf27,
then xgterm &, and then I get a
message: Segmentation fault (core
dumped) xgterm
I am not sure how to go about fixing
this problem.

1828

By: 70007k

05/03/2023 01:56AM

Flat lamp spectrumStarted by:Patrick Watson, 03/04/2023 02:24AM
Hello,
I have previously posted this in the
wrong forum - sorry.

I wish to process longslit images up to
and including spectra extraction. It
appears from my reading that when flat
correcting object spectra the flat lamp
spectrum needs to first be r...

1736

By: Patrick Watson

03/04/2023 02:24AM

Continuum fitiingStarted by:debs123, 07/19/2022 06:42PM
Hi,
I am a new user of IRAF and I am trying
to continuum fit a spectra. However, I
could not normalise the spectra exactly
at 1. I tried doing trial and error
changing the fit parameters, order and
functions. Still I could not get a good
normalise spec...

1576

By: debs123

07/19/2022 06:42PM

Astrometry Tasks problemStarted by:AAKANKSHA, 06/26/2019 08:09PM
Hi Fitz,
I want to perform astrometry and
photometry on KING 2 open cluster.
Currently, I have updated the WCS using
CCMAP but i still find that the images
don't have the final corrected WCS. Can
you please help out ?
http://iraf.noao.edu/projects/c...

641

By: AAKANKSHA

06/26/2019 08:09PM

canStarted by:giannicatanzaro, 05/07/2019 07:22AM
hi all
I cannot read with iraf FTS files
download from AAT archive, even if I
rename them in .fits.
Typical error I get is
ecl> splot RUN0002.fits
ERROR: MWCS: dimension mismatch
(mw_open)

or when I use imheader
ecl> imheader RUN0002
RUN0002...

981

By: giannicatanzaro

05/07/2019 07:22AM

SAOImageDS9 version 8.0 is now availableStarted by:joye, 12/13/2018 09:36PM
SAOImageDS9 version 8.0 is now available
for download. Please use this version
with IRAF.

http://ds9.si.edu/site/Download.html

9371

By: joye

12/13/2018 09:36PM

Lacos errorStarted by:KarolinaS, 12/06/2018 10:53AM
Hello,

I have a problem using tool lacos from
stsdas package. When I try to process my
image, there is this error message:
ERROR: Cannot open image (lacos7332ec)

"median(sigmap,med5,5,5,zlo=INDEF,zhi=INDEF,verb-)"
line 193: home/karolina/iraf/...

1041

By: KarolinaS

12/06/2018 10:53AM

interactive response window not workingStarted by:xjs0118, 11/20/2018 07:04PM
Hello,

I'm attempting to use
noao>twodspec>longslit's response
interactively. However, although the
window allows me to input commands (e.g.
:order 5), when I replot via 'r', only
the header updates. The actual plot does
not. This originally occurred...

684

By: xjs0118

11/20/2018 07:04PM

imalign errorsStarted by:elizevin, 11/09/2018 12:07PM
Hello.
I tried to align some images for
stacking, but I can't seem to get it
right.
I have three images I'd like to align,
it's raw .fit data (data is not yet
reduced, I just wanted to test
stacking). I made list_B with four
images (first is my refere...

653

By: elizevin

11/09/2018 12:07PM

SAOImageDS9 version 8.0rc6 is now ava...Started by:joye, 10/22/2018 03:37PM
SAOImageDS9 version 8.0rc6 is now
available for download. Please use this
version or version 7.5 with IRAF.

http://ds9.si.edu/site/Beta.html

847

By: joye

10/22/2018 03:37PM

Iraf Flat Combine ScaleStarted by:mshemuni, 09/27/2018 07:28PM
I'm trying to create a mini version of
IRAF for automaton of our observatory.
Basically I need to do calibration
first.
I was able to create zerocombine,
darkcombine successfully usişng
python and numpy.
When it comes to flatcombine there is
sca...

578

By: mshemuni

09/27/2018 07:28PM

When I run apall none of the keystrok...Started by:e.longstaff, 09/12/2018 02:40PM
Hi,

I have a 2D spectrum and I'm trying to
extract the 1D spectrum. When I run
apall none of the keystroke commands
work within the gterm-iraf window.
Here's a link to a screenshot of where I
get stuck: https://imgur.com/0WspfB1 .
If that helps.

I...

627

By: e.longstaff

09/12/2018 02:40PM

Iraf imexamine task crash on macOSStarted by:kyika, 09/08/2018 12:02PM
I am currently using astroconda, pyraf,
and ds9 to process my image, and I meet
a bug very similar to this one :
https://iraf.net/forum/viewtopic.php?showtopic=1466317

The version of software as well as
hardware I am using is :
macOS High Sierra 10...

1044

By: kyika

09/08/2018 12:02PM

Random Spectra fall offs after apallStarted by:JoeyZ, 09/05/2018 05:53PM
I am trying to reduce some spectra data
and the process seems to be going fine
until I run the apall task. When I run
apall I find that some of the orders
have this issue:
https://imgur.com/a/xY9c08c
As you can see the order falls off half
way through ...

588

By: JoeyZ

09/05/2018 05:53PM

SAOImageDS9 version 8.0rc2 is now ava...Started by:joye, 09/04/2018 08:23PM
SAOImageDS9 version 8.0rc2 is now
available for download. Please use this
version or version 7.5 with IRAF.

http://ds9.si.edu/site/Beta.html

762

By: joye

09/04/2018 08:23PM

linux64 vocl with enlarged dictionaryStarted by:fakahle, 08/26/2018 08:24AM
Hi guys,

an error poped up last time I tried to
submit my questions:
"Unfortunately, an error has occurred
rendering this page. Please try again
later."

So here I go again;-)

I need to to recompile vocl to enlarge
the dictionary but recompilin...

505

By: fakahle

08/26/2018 08:24AM

IMEXAMINE using RAStarted by:ovince, 08/20/2018 09:15PM
Hi All,

I am trying to use IMEXAMINE in a script
like

[code]imexamine(FITSfl, frame=1,
imagecur="forImcomm",
logfile="res_imexam", keeplog="yes",
use_display="no")[/code]

where 'forImcomm' ia a file with stars
RA and DEC in degree as show b...

746

By: ovince

08/20/2018 09:15PM

Please use DS9 version 7.5 with IRAFStarted by:joye, 07/03/2018 08:24PM
It has come to our attention there are a
number of issues with DS9 version 7.6
and IRAF. These issues have been
addressed and a new version of DS9 will
be available with the release of our
next beta version, 8.0b1.

We recommend the use version 7.5 av...

718

By: joye

07/03/2018 08:24PM

pvector script cant appendStarted by:JCP, 06/26/2018 04:53PM
Dear IRAF gurus,

I have a script which repeatedly calls
pvector and is supposed to put several
pvector plots in one output FITS file.
It works fine on one of my computers (a
laptop), but fails on several other
computers. Each computer is running
Li...

429

By: JCP

06/26/2018 04:53PM

filter keyword not recognized - despe...Started by:rita, 12/17/2017 04:00PM
Dear All,

I have installed new IRAF (on new hard
disk), and I am stumbled over
impossibility to setinstrument so that
ccdproc recognizes the filter keywords.
On my previous hard disk, in
kpnoheaders.dat I set
subset filter

and all was f...

2030

By: rita

12/17/2017 04:00PM

SPLOT task does not display the right...Started by:Amanpreet, 10/26/2017 06:54PM
Hi all,

My splot package does not display the
right information for any command. e.g.
if I want to check the position of the
cursor, it does not display the
wavelength and flux for a spectrum. It
is not working on any spectrum and I
tried "unlearn sp...

706

By: Amanpreet

10/26/2017 06:54PM

ecidentify: not saving wavelength sol...Started by:fuzzyduck, 10/10/2017 04:30PM
So I am running ecidentify (on a new
anaconda installation of iraf). I have
marked my wavelengths and fit a
solution.
However, the solution does not appear to
be saved. When I do an splot of the
spectra the dispersion axis is still in
pixel units (and...

1023

By: fuzzyduck

10/10/2017 04:30PM

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

problem with imshiftStarted by:taylor, 07/21/2017 12:22AM
Hi all,

I have troubles after running imshift on
my images. I shift my images using a
file containing shifts and I have tried
different options for the parameter
"interp". Then I compare the initial and
the shifted image. The count value on
differen...

833

By: taylor

07/21/2017 12:22AM

SAOImageDS9 7.6b1 is now availableStarted by:joye, 05/16/2017 08:02PM
SAOImage DS9 7.6b1 is available at
http://ds9.si.edu/site/Beta.html.

Now available, the all new Windows 64bit
and 32bit ports of DS9. Supports IIS,
threads, RGB, 3D. Fully functionality
with all other platforms.

938

By: joye

05/16/2017 08:02PM

How does fitparams obtain the sigma c...Started by:Gaba_p, 05/05/2017 01:53AM
I'm trying to reproduce the 'sigma'
column returned by the photcal.fitparams
task
(http://stsdas.stsci.edu/cgi-bin/gethelp.cgi?fitparams);
see page 32 of the guide:

https://www.mn.uio.no/astro/english/services/it/help/visualization/iraf/daophot2.pdf ...

635

By: Gaba_p

05/05/2017 01:53AM

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

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...

1076

By: cac5280

08/06/2016 03:06PM

ccdproc not editing parameters in bet...Started by:tasso1db, 07/28/2016 04:10PM
Hello,

I'm trying to make a script that
automates my reduction process for ccd
images. However in my script ccdproc
doesn't seem to want to change my
parameters in between the steps. For
instance after the first step where the
bias is made, I want th...

945

By: tasso1db

07/28/2016 04:10PM

First | Previous | 1 2 3 4 5 6 7 | Next | Last

	Normal Topic
	Sticky Topic
	Locked Topic

	New Post
	Sticky Topic W/ New Post
	Locked Topic W/ New Post

View Anonymous Posts

Anonymous users can post

Filtered HTML Allowed

Censored Content

dog allergies remedies cialis 20 mg chilblain remedies

Search

Forum Menu

User Functions

Topics