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how to use imexam with ds9?Started by:Arp, 10/28/2009 01:37PM
Hello!

Im trying for the first time some
photometry with iraf and ds9. I started
ds9, and then I startet imexam and chose
the correct frame buffer.
But then nothing happens. Sometimes the
cursor in DS9 changes, it blinks between
a black annulus, and a ...

5875

By: fitz

10/28/2009 01:37PM

help on ASTHEDITStarted by:china_108, 03/01/2009 06:12AM
I read this post
https://iraf.net/phpBB2/viewtopic.php?p=145225
but it doesn't work for my data.

When I type in

st = mst (@'date-obs', ut, obsdb ("lco",
"longitude"))

it says
** Syntax error
**: st = mst (@"date-obs", ut, obsdb
("lco", "longitude")...

5907

By: china_108

03/01/2009 06:12AM

longslit packageStarted by:bonita, 06/27/2006 02:26PM
Hi,

I've encountered some problem in using
the TWODSPEC.LONGSLIT.FITCOORDS
task. I'm using IRAF v2.12.2 on
linux/Fedora Core 4.

I've run the IDENTIFY and REIDENTIFY
tasks in determining the dispersion
solution every 10 lines. However, when
trying to...

5924

By: fitz

06/27/2006 02:26PM

mscimage errorStarted by:joshw, 02/23/2007 10:07PM
I'm trying to use mscimage on single
extension images to project each file
onto a common projection. However, I'm
getting the error:

ms> mscimage @list_Perseus_H2
@list_Perseus_H2_rescaled
wcssource=parameters rotation=0
scale=1.0 ra=3:29:02 dec=31...

5972

By: valdes

02/23/2007 10:07PM

imexamStarted by:jgallag3, 07/07/2008 10:53PM
While trying to run the
image-subtraction based photometry
routine mkdifflc.cl (external), I was
given the following error ...

ERROR: floating point invalid operation
"imexam (input=imname,frame=1, >>
'junk')"
line 78: ./mkdifflc.cl
call...

5978

By: valdes

07/07/2008 10:53PM

combining eso wfi data still shows &q...Started by:wierdling, 03/21/2009 05:58AM
Hello all,

I just recently found that I can
download data from the ESO WFI
telescope, but on some of the data,
after processing, there are still
"streaks" (in the final stacked image).

Please forgive me if I use the wrong
terms, I don't have any forma...

5986

By:

03/21/2009 05:58AM

S/N for spectraStarted by:ozbasturk, 05/15/2007 10:47PM
Hi,

I'm working on some spectra both slit
and echelle. I've applied all the
reduction steps (bias-dark-flat
correction, extraction, scattered light
correction etc. and wavelength
calibration) except for flux calibration
which I didn't need to. My probl...

5989

By: ozbasturk

05/15/2007 10:47PM

nheditStarted by:cosmologist, 12/23/2010 05:19PM
Hi,

I am looking in images.imutil and I
can't find the nhedit task...
when I type help nhedit, I get the error
message that no help for nhedit is
available. Is there a way to just get
that specific task (although everything
else in the imutil package ...

6016

By: fitz

12/23/2010 05:19PM

Problem with rfits on MacStarted by:Gerhard, 04/13/2007 03:08PM
Hello!
I just started to use IRAF on a mac.
When i try to convert my fits into
imh-files, I get the following
error-message:

> ecl> rfits @fitlist 0
@imhlist
> ERROR: Abnormal termination of
child process 'bin$x_dataio.e'

Could someon...

6037

By: Gerhard

04/13/2007 03:08PM

fxcor relative velocitiesStarted by:swortel, 03/22/2007 06:29PM
Hi,

I've used dopcor to shift a spectrum by
a velocity in km/s. Then I've been
trying to measure that shift by using
fxcor with the newly shifted spectrum as
object and the original non-shifted
spectrum as template. My assumption is
that the vrel (or...

6086

By: fitz

03/22/2007 06:29PM

Problems with implotStarted by:getulio, 08/02/2007 02:06PM
hello everyone,

my iraf is installed on a pc running
slackware 11. i was trying to use the
command
[b:6c4119ff29]implot[/b:6c4119ff29]
sugested on second exercise of tutorials
and when i execute the command lots of
codes appear, the terminal stops and ...

6148

By: fitz

08/02/2007 02:06PM

iraftermStarted by:hbloemha, 09/30/2006 03:53AM
When I am in the digiphot.daophot
package of iraf and use the imexam
feature to view a radial plot of my
.fits image, the irafterm window opens
up correctly, displaying all the right
numbers, however the radial plot itself
does not show up at all.
Any...

6175

By: hbloemha

09/30/2006 03:53AM

dispcor task failedStarted by:naz, 12/29/2005 01:41AM
An error messege appeared when I run the
dispcor task :

Error: parameter 'blank' not found
dispcor ( )

Why is that happened?How to fix this?

Thank you on your concern.

Naz

6273

By: fitz

12/29/2005 01:41AM

PC-IRAF V2.12/Suse 10.0problemStarted by:Guest, 02/16/2006 11:19AM
I have started using PC-IRAF V2.12 on a
Linux machine (Suse 10.0),
and find a problem using
daophot/allstar

*** glibc detected *** free(): invalid
pointer: 0x8f62202e ***

In a script the usage was this:

i=1
allstar (image="fakeImage00"//i//".imh",
...

6311

By: butlerdj1

02/16/2006 11:19AM

Question about CCDPROC and Dark framesStarted by:JediWill, 12/02/2006 02:12AM
Hello,

I have a question about CCDPROC and
Dark images. During my summer project I
was using dark frames that were exposed
for much longer than my object frames.
Normally they are about 1.5 to 2 times
as long. My advisor told me that when I
use CCD...

6317

By: fitz

12/02/2006 02:12AM

polyphotStarted by:Josh, 05/16/2006 03:58PM
Hi all...

I'm having a bit of difficulty with
polyphot.

I'm using it in such a way that I
already have a polygon defined in a
file, e.g. sourcename.pol and I have the
center of the source defined as
sourcename.coo, so that when I enter the
polyphot co...

6318

By: Josh

05/16/2006 03:58PM

bug in fxcor heliocentric julian dates?Started by:kstassun, 01/28/2008 09:03PM
Hi,

The 'fxcor' task (in IRAF v2.14) is
doing something strange with its
computation of heliocentric julian
dates. From a bit of experimentation, I
think I have tracked this down to being
an inability of fxcor to properly deal
with date/time header ke...

6365

By: kstassun

01/28/2008 09:03PM

dohydra on linux RHEL3 does not workStarted by:dfadda, 05/14/2006 07:13PM
I'm trying to run the Hydra pipeline
(noao/imred/hydra) on my linux laptop
(Thinkpad T3, 1GB RAM, Redhat Linux
Entreprise 3).
The versions of IRAF that I tried are:
2.12.2 with patch2a and the last
beta version 2.13 beta2. Everything
(like displaying, c...

6380

By: dfadda

05/14/2006 07:13PM

Correcting Row Offsets?Started by:joshw, 01/29/2006 10:23PM
I've got some images which suffer from
time variable noise which offsets each
row of pixels by a small amount from the
rows above and below it. The noise can
be corrected in most cases by adding a
small offset to each row such that the
median of the ro...

6398

By: joshw

01/29/2006 10:23PM

splot - equivalent widthStarted by:cosmologist, 01/17/2014 07:48AM
Hi,

I often use splot with "e", to find the
equivalent width (EW) of certain
features in my spectrum, but I couldn't
find any information of how iraf
calculates this equivalent width.
Whenever I convert my spectra from .fits
files to asci files and I...

6421

By: fitz

03/12/2014 02:08PM

(Fwd) help with ccdproc: trim imagesStarted by:fitz, 10/09/2007 05:45PM
Dear Frank,

I would like to know if I can trim some
images (bias and flats) that
have already a BIASSEC,DATASEC and
CCDSEC keyword (and are not the full
size of the chip), using ccdproc.

The header of my bias (flats) look like
the one below, with impo...

6422

By: valdes

10/09/2007 05:45PM

2.15 and fedoraStarted by:syang, 11/30/2010 06:15AM
Hello,

I've a bit of problem getting v2.15
to work on fedora 13 (32-bit).
Using the linux arch since there is no
longer bin.redhat, ecl.e won't
start.

Using ldd:

on v2.15:
ldd /iraf/iraf/bin.linux/ecl.e
linux-gate.so.1 => (0...

6430

By: makhlaghi

11/30/2010 06:15AM

DIFIMPHOT.Started by:Guest, 08/17/2006 01:14PM
Hi!

I'd like to know whether the IRAF's
library needs to be upgraded to run the
DIFIMPHOT package. I have installed this
package in my laptop but when I start
the GETPSF task it begins to run but
ends with an error, which I don't know
how
to solv...

6492

By: mairan

08/17/2006 01:14PM

Error : No bad pixel mask foundStarted by:fangwan, 07/16/2009 01:28PM
When I use darkcombine , it says" Error
: No bad pixel mask found" , could you
tell me the reason.Thank you for your
help!

6569

By: Pamela

05/29/2018 08:13PM

WCS and DS9Started by:massey, 08/15/2006 03:06PM
Hi, Mike et al---

This problem may be well known to
everyone, but I've found myself using
ds9 and discovered it. When I display
an image in ds9, it fails to pick up the
WCS. But, if I load the same fits file
into ds9 externally to IRAF (i.e.,
directl...

6596

By: fitz

08/15/2006 03:06PM

Problem with IMCOADD (Gemini package)Started by:Pierre_K, 09/30/2007 12:49PM
Hi,

I have a problem with the execution of
the IMCOADD function of the GEMINI
package (GEMTOOLS to be more precise).

My goal is to align an co-add a series
of a few tens of frames that are plain
FITS images, without any fancy binary
extensions or what...

6613

By: BrainBug

09/30/2007 12:49PM

mscred/ccdproc crashing on xtalkStarted by:travisrector, 02/02/2011 06:24PM
I'm having a problem with
mscred/ccdproc. I'm running IRAF
v2.15.1 and mscred 5.0.2, so I should be
up to date. I've done all the usual
stuff (init uparm, etc.).

When I run ccdproc set up as:

images = n407052.fits List of
Mosaic CCD images...

6641

By: travisrector

02/02/2011 06:24PM

Problem with binaries for stsdas and ...Started by:Slim, 03/01/2011 09:06PM
Hi,

This is my first time posting on
iraf.net, I hope that I'm posting this
question in the appropriate place.

I downloaded iraf.lnux.x86.gz from
https://iraf.net/downloads/ yesterday,
installed IRAF v2.15 (with 32-bit Linux
binaries) on my redhat mac...

6667

By: fitz

03/01/2011 09:06PM

Using RVCORRECTStarted by:rohit, 12/12/2007 04:47PM
I would like to find V_helio correction
and therfore thought of using RVCORRECT.

Now as the observatory is KECK, I put
that in using epar rvcorrect under
observatory and as the year of
observation is all 2007 I have done the
same. I created a text fil...

6759

By: valdes

12/12/2007 04:47PM

Sensfunc: how is it defined?Started by:westra, 03/14/2006 08:00AM
I have several standard stars taken on
different nights, but all with the same
instrument. First of all, when I go
through the whole reduction, I get in
the procedure
[code:1:9b01b1698b]sensfunc[/code:1:9b01b1698b]
that the stars are not on the same
mag...

6760

By: westra

03/14/2006 08:00AM

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