Welcome to iraf.net Friday, May 17 2024 @ 11:10 AM GMT

 Forum Index > Help Desk > General IRAF New Topic
First | Previous | 11 12 13 14 15 16 17 | Next | Last
 
Topic Subject
 		 Views
 		 Replies
 		 Last Post
 
Normal Topic
xregister questionStarted by:AndrewS, 07/14/2011 02:20PM
Hello

I am trying to use xregister to register
dithered frames... The max off-set of
any frame to the reference frame being
used is about 15pixels in either x or
y..
I have had to use xregister in several
passes in order to get my images fully
register... 		 
2004 1
By: robsteele49
07/14/2011 02:20PM
Normal Topic
fc command gives unusual output, segm...Started by:mdykhuis, 07/13/2011 09:15PM
Hi,

I'm trying to compile and run fortran
programs using IRAF (version 2.15.1a)
using the 'fc' command. On my linux
computer, the output of the 'fc' command
'fc hello.f' is sweet and simple:

[code:1:ac8dea5782]hello.f:
MAIN hello:
link&#... 		 
2558 4
By: mdykhuis
07/13/2011 09:15PM
Normal Topic
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... 		 
1228 1
By: fitz
07/08/2011 04:55PM
Normal Topic
BPM via ds9Started by:csblack, 07/07/2011 10:37PM
Hi,

I'm trying to create BPM using regions
with ds9 and I can't figure it out. I'm
pretty sure I'm just missing something
obvious. I'm doing surface photometry
and I want to mask out the bright stars
in the near vicinity of my object. I've
saved my ... 		 
2204 2
By: csblack
07/07/2011 10:37PM
Normal Topic
Possible bug in craverage: floating p...Started by:emma, 07/06/2011 09:25PM
Hello,

When I run the following command on my
linux machine (a "more
/etc/redhat-release" gives "Red Hat
Enterprise Linux Client release 5.2
(Tikanga)") I have no problems:

[code:1:e93f6555e8]
craverage
(input="input.fits[SCI,1]"... 		 
3818 8
By: valdes
07/06/2011 09:25PM
Normal Topic
List of Multiformat FITS filesStarted by:toml42, 07/01/2011 04:51PM
Hi,

I'm a little new to this, so please
excuse the newbieness!

I have a large list of FITS files that
i'm trying to median combine as a master
bias frame using the 'zerocombine'
command in noao.

The problem i'm having is that my FITS
files are all mu... 		 
2127 4
By: toml42
07/01/2011 04:51PM
Normal Topic
entering 'pauses' into scriptsStarted by:AndrewS, 06/30/2011 08:49AM
Hi there

in writing a script to group images into
groups such as bias,dark,flat, objects I
would like to include a feature that
allows the user to scan through the
group lists in order to see if any
frames were misgrouped...I think the
easiest way to d... 		 
2261 1
By: fitz
06/30/2011 08:49AM
Normal Topic
ERROR: Pixel storage file is truncatedStarted by:sarah.sweet, 06/30/2011 05:59AM
Hello,

I have a data cube of size [25,77,4096],
but when I try to use imstat on
z>3221 I get ERROR: Pixel storage
file is truncated.
imhead tells me that the cube's
dimensions are only [25,77,3221]. When I
open the cube in other programs however
I c... 		 
4226 2
By: sarah.sweet
06/30/2011 05:59AM
Normal Topic
Warning Message: FXF: must specify w...Started by:smp, 06/27/2011 04:15AM
Hi,

I have a multi-extension fits file. It
contains 5 frames, indexed from 0 to 4.
I want to find average of these 5
frames. So I used the task IMCOMBINE.
Keeping all the parameters of this task
unchanged ( kept default parameters)
execept input and ou... 		 
14982 1
By: fitz
06/27/2011 04:15AM
Normal Topic
Bus errors on real files with MacBook...Started by:massey, 06/24/2011 05:19AM
This is a complete mystery to me.
Deidre has a relatively new Mac Pro, and
whenever she tries to do anything with a
"real" FITS file she gets a BUS error;
i.e., even an imstat generates the
message. On MY (older) Macbook Pro,
looking at the identical ... 		 
2951 4
By: massey
06/24/2011 05:19AM
Normal Topic
psfmeasure automationStarted by:cmat, 06/24/2011 03:58AM
Hello All,

I'm having difficulty figuring out how
to automate the task of measuring the
FWHM of stars using psfmeasure. I have
coordinates obtained from external
software marking the positions of the
stars, but I don't understand how to
make psfmeasure... 		 
1531 1
By: fitz
06/24/2011 03:58AM
Normal Topic
Segmentation violation with some dataStarted by:iz, 06/22/2011 02:55PM
Hi,

I'm using IRAF 2.15.1a on a 64bit Mac
and experience the following problem
with a FITS file from the UKIDSS survey
(available at
[url]http://nice.sai.msu.ru/~iz/ukidss_iraf.fits[/url])
which is supposed to be OK:

[code:1:f5b132717d]
tv> display... 		 
2090 2
By: iz
06/22/2011 02:55PM
Normal Topic
FITS header + addstar commandStarted by:babbloo, 06/21/2011 06:20PM
Hello

I'm trying to create a synthetic star
image with CFITSIO to check the
astrometric precision of determining the
real centre using psf fitting.

In doing this, I always get an error of
0.5 pixel from the real centre. This is
not due to any noise, b... 		 
3944 8
By: babbloo
06/21/2011 06:20PM
Normal Topic
after imarith command IRAF saving the...Started by:Sherry, 06/15/2011 09:09PM
I use IRAF to process onedspec from the
IRTF. The images are in pairs and are
subtracted to remove bias etc...
After I subtract the spectral image
pairs the new file is sub***.imh, but
IRAF is saving it as a fits file and I
am not able to extract the s... 		 
5548 13
By: Sherry
06/15/2011 09:09PM
Normal Topic
dealing with spaces (" ") i...Started by:AndrewS, 06/15/2011 03:49PM
I have a set of .fit files with a space
(" ") instead of a hyphen ("-") or
underscore ("_") separting the
components, eg:

first second1.fit
first second2.fit
first second3.fit
etc.

I want to rename them with a connecting
character (such as hyphen), eg... 		 
1754 1
By: fitz
06/15/2011 03:49PM
Normal Topic
syntax in scriptStarted by:AndrewS, 06/10/2011 09:41AM
I have been given a selection of fit
files that are grouped into directories
by type and date and so on, here is
generic example of how the structure of
directories is organised:

maindir-dateofobs-imagetype-object

what I want to do is get rid of most ... 		 
2066 1
By: fitz
06/10/2011 09:41AM
Normal Topic
Change plot line thicknessStarted by:Alida, 06/09/2011 08:04AM
Hi

I am using IRAF for spectroscopy and I
am trying to find a way to change
(increase) the thickness of the line
used to plot the spectrum in splot (or
any other plot window for that matter,
if not possible in splot) for printing
purposes. I thought t... 		 
1675 1
By: fitz
06/09/2011 08:04AM
Normal Topic
Spectroscopic WCS referenceStarted by:paco, 06/07/2011 06:10PM
For a simple onedspec format fits file,
does the wavelength for pixel 1 refer to
the left (short wavelength) edge of the
pixel? or the center? I think the left
edge (as for an image WCS), but would
like to be sure.

And if I convert that fits file to ... 		 
1364 1
By: valdes
06/07/2011 06:10PM
Normal Topic
SETAIRMASS utmiddle format and MKNOBS...Started by:subasavage, 06/05/2011 03:39PM
I see from the "IRAF V2.14.1-EXPORT
Release Notes" that the
[i:a08bbd16d8]setairmass[/i:a08bbd16d8]
utmiddle format is always in date
format, rather than the format defined
in the UT keyword. This is causing
problems when I run
[i:a08bbd16d8]mknobsfile... 		 
3151 6
By: subasavage
06/05/2011 03:39PM
Normal Topic
FITS problem with 2.15.1a and OSX 10...Started by:npirzkal, 06/02/2011 06:15PM
I am having recurring problems running
long IRAF/Pyraf python scripts that
access many FITS files.
At some point, some IRAF tasks fails to
be able to open (existing and well
formatted) FITS files even though they
are indeed where they are.
Running the t... 		 
1372 1
By: fitz
06/02/2011 06:15PM
Normal Topic
FITS headers between iraf and aipsStarted by:mdg, 05/29/2011 12:48AM
Hi,

I recently read a bunch of data from old
exabytes into AIPS, the only method
available to me to get the data off the
tapes. Using another AIPS task, I then
wrote out the data from AIPS format to
regular fits files. The data look fine
and I can imp... 		 
1747 1
By: fitz
05/29/2011 12:48AM
Normal Topic
batching :wccf command in FXCORStarted by:ibthompson, 05/23/2011 12:29AM
Hello,

Is there a way to make a batch file to
generate multiple runs of
FXCOR on independent spectra including
an automatic dumping
of the CCF file using the :wccf command?

thanks,

Ian Thompson 		 
1474 1
By: fitz
05/23/2011 12:29AM
Normal Topic
isochronesStarted by:AndrewS, 05/22/2011 08:23PM
Is there a task in IRAF to fit
isochrones..? 		 
1290 1
By: fitz
05/22/2011 08:23PM
Normal Topic
splot, imexamStarted by:AndrewS, 05/21/2011 10:02PM
I am trying to use splot to look at
spectra.
There are a few things that I haven't
figured out how to do:
for example when I run:

splot image1.fit

1) its default is to display a graphic
of a single
[i:b4b05afa20]column[/i:b4b05afa20] of
the image, wi... 		 
2280 3
By: AndrewS
05/21/2011 10:02PM
Normal Topic
GRASPStarted by:phntmII, 05/19/2011 10:10PM
Hi All,

Does any one know if GRASP is still
supported and available to the public?
This is the external package put out by
GONG in the '90s.

Thanks!! 		 
1505 2
By: phntmII
05/19/2011 10:10PM
Normal Topic
window focusing of onedspec.splot on ...Started by:mo0713, 05/13/2011 08:12PM
I would like to ask suggestions about a
problem that I have on the focuisng of
interactive window under pyraf on Mac.

My working environment is Mac OS X
10.6.7, iraf 2.14.1, stsci_python 2.11,
and STSDAS/TABLES 3.13.

When I use onedspec.splot under... 		 
2634 2
By: mo0713
05/13/2011 08:12PM
Normal Topic
IRAF 2.14 on Ubuntu 11.04 amd64 (64 b...Started by:moser, 05/12/2011 05:00PM
If someone managed to install IRAF 2.14
on Ubuntu 11.04 64bits, please tell me
how!

Thanks,
Daniel 		 
4132 3
By: fitz
05/12/2011 05:00PM
Normal Topic
splot wavelength calibrationStarted by:heather, 05/10/2011 07:07PM
I'm looking at spectra which were
originally SDSS stellar spectra,
rebinned to a linear wavelength scale by
IDL code in the SSPP (segue pipeline)

Looking at the header of the fits file,
CRVAL1 = 3850 and CD1_1 = 1. (both
Angstroms)

When I plot the dat... 		 
2020 2
By: heather
05/10/2011 07:07PM
Normal Topic
Error message with PyRaf wregister co...Started by:VASIMR, 05/10/2011 03:24PM
Hi,

I am having problems calling the PyRaf
wregister command from a python script.
I have a list of images that I want to
apply the command to, when I do so to
individual image sets in the list, I
receive this error:

[quote:16b4fbecf1]
Transforming im... 		 
3012 1
By: sontag
05/10/2011 03:24PM
Normal Topic
CCD Photometry errorsStarted by:Gaba_p, 05/09/2011 07:10PM
Hi,

I'm writing my PhD and I'm looking for a
[b:d95d1a586b]full description of the
errors[/b:d95d1a586b] IRAF attachs to
the final 'mag' values of the CCD
photometry process. I followed Massey's
'[b:d95d1a586b][i:d95d1a586b]A User's
Guide to CCD Reduct... 		 
1846 1
By: valdes
05/09/2011 07:10PM
First | Previous | 11 12 13 14 15 16 17 | Next | Last

Normal Topic Normal Topic
Sticky Topic Sticky Topic
Locked Topic Locked Topic
New Post New Post
Sticky Topic W/ New Post Sticky Topic W/ New Post
Locked 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
Privacy Policy
Terms of Use

Forum Menu

User Functions

Login
Don't have an account yet? Sign up as a New User
Lost your password?

Topics