iraf.net

Welcome to iraf.net Sunday, May 19 2024 @ 07:29 PM GMT

Forum Index > Help Desk > Applications

New Topic

First | Previous | 39 40 41 42 43 44 45 | Next | Last

Topic Subject

Views

Replies

Last Post

Spectral Combination (was: a problem ...Started by:Guest, 04/17/2006 04:50PM
Hi,
I am a student coming from beijing
normal university.I have two spectrum
about one star.One's range is
4000-6000A,another is 6000-8000A.How can
i combine them to one spectrum,and the
range become 4000-8000A.what is the
command? Thank you .
...

3899

By: lsh20

04/17/2006 04:50PM

Specplot No Spectra definedStarted by:raulepuebla, 03/31/2011 01:31AM
Hi!

I just installed the last version 2.15
for linux64. I tried to use the specplot
task, but the screen says: "No defined
spectra". I already tried installing
from binary and from source files, but
the results is the same.

Splot runs ok! shows the sp...

3908

By: fitz

03/31/2011 01:31AM

ERROR: Seek error on fileStarted by:corrado, 04/05/2015 09:52AM
Hello all,

the lastest version of IRAF I installed
(2.16) seems not to take lists of
spectra, the problem is not bound to one
particular task. For instance, by using
scopy on a list of spectra @list.fits I
get the error

ERROR: Seek error on file (...

3909

By: corrado

04/09/2015 07:37AM

finder/tfinder on V2.16Started by:massey, 08/21/2012 04:46AM
I tried installing "finder" manually as
an external package in V2.16. After
some fiddling I got it to load okay, but
when I go to run it I get the following:

Image name (cn15ccd069.fits):
Catalog table cn15ccd069.fits.tab
exists, overwrite the file?...

3916

By: Charles Knox

08/21/2012 04:46AM

how to.. change resolutionStarted by:flame, 08/07/2006 02:36PM
Hi!
I need to reduce resolution of my
spectra from R=47000 to R=22000
but I don't know which iraf task does
it.
Someone can help me?

Thanks!

3918

By: fitz

08/07/2006 02:36PM

strfits - segmentation violationStarted by:Wendy Roberts, 01/09/2006 08:20PM
The following segmentation violation
occurs under both Solaris and Linux
(IRAF v12.2.2). Can anyone shed some
light?

ymir% cd ~/iraf
ymir% setiraf
ymir% cl
Word too long
ymir% csh -f `which cl`
cl> cd
/data/mimir0/gaetz/data/HST/t1
cl&...

3928

By: fitz

01/09/2006 08:20PM

artdata.mknoise task gives low values...Started by:karsten brogaard, 01/26/2007 02:39PM
Hi,

I have tried to use the task
artdata.mknoise to add poisson noise to
my images. But for all pixels which are
saturated in the original images (value
= 65535) I get very low values
(~10-100)? Why is that?

Karsten

3935

By: fitz

01/26/2007 02:39PM

Variable star phot with daophot?Started by:FSBoyden, 11/07/2006 01:25PM
Hi all.

I am new to daophot, and enc.

What I would like to ask is, when you do
varaible star photometry in batch mode
on a number if images, must the images
be properly alligned. That is, if you
sit with a problem of varying tracking,
and your images ...

3936

By: phil

11/07/2006 01:25PM

PANIC in `x_tv.e': Memory has been co...Started by:ziby, 01/19/2006 11:35AM
Dear all,
I have the following problem ovarlaying
a mask on a displayed image.
When I run a command like this:
display (image=image.fits[0], frame=1,
bpmask=, bpdisplay=none,
overlay=tmp$mask.pl, ocolors=green,
zscale=no, zrange=no, z1=475., z2=712.)
th...

3942

By: fitz

01/19/2006 11:35AM

A problem with astheditStarted by:Guest, 11/03/2005 10:49PM
Hello Dugan,

The formating is causing a problem. The
program is trying to figure
out if the keyword value is a number or
a string. It assumes a
string starts in column 11 with a quote
mark. Since this is not the
case it is interpreting the va...

3953

By: Guest

11/03/2005 10:49PM

find out what version of a package is...Started by:amartin, 03/20/2009 04:45PM
We're trying, with limited success, to
upgrade to a new version of mscred. Is
there an easy way, upon starting IRAF
and loading mscred, to get IRAF to tell
us what version of mscred it's finding,
and where in the directory structure
it's looking when it...

3956

By: amartin

03/20/2009 04:45PM

help with asttimesStarted by:valdes, 12/05/2005 10:05PM
Hola Cristina,
The task you want is ASTHEDIT in the
ASTUTIL package. The command that I
think works for your data is:

as> asthedit ngc7094-001B lst.dat
as> hselect ngc7094-001B lst yes
18:52:47.74

where

as> type lst.dat
lst = mst (@"date-...

3956

By: pnord

12/05/2005 10:05PM

How to get splot to overplot in same ...Started by:, 03/07/2009 04:59AM
Hello,
After combining 3 spectra I want to
overplot the result with the original
spectra. First I splot the combined
spectra:
[code:1:4584fd22a6]
echelle> splot m13b_ecw 1
[/code:1:4584fd22a6]
I look at other apertures by using the
‘(‘ and ‘)�...

3958

By:

03/07/2009 04:59AM

fitparams produces an ERROR: segmenta...Started by:marblestation, 04/18/2011 06:31PM
I have IRAF 2.15.1a 64bits on a
GNU/Linux Ubuntu system and I get a
[b:e6f2534c1b]segmentation
violation[/b:e6f2534c1b] when I try to
use the
[b:e6f2534c1b]fitparams[/b:e6f2534c1b]
task.

In order to reproduce the error, create
in your imdir the file 'r...

3960

By: marblestation

04/18/2011 06:31PM

imhistStarted by:dbrenner, 11/03/2006 09:25PM
Can I output the result of imhist to a
variable? I would like to make
histograms of several images and put the
results into an array. Can I do this
without outputting the histogram to a
file and then reading the file into an
array?

Thanks.

3960

By: dbrenner

11/03/2006 09:25PM

fxcor error "Aperture list canno...Started by:cjsifon, 03/15/2010 07:25PM
Hi, I'm trying to get redshifts for some
gemini-south spectra with fxcor using
the SDSS template spectra and I get the
following error:

Warning: setting CD2_2 to 1.
Aperture list cannot be applied to
template image.

The parameters of fxcor as the defa...

3965

By: fitz

03/15/2010 07:25PM

glibc error using mkobjectsStarted by:emma, 04/29/2006 12:31PM
Hi there,

I'm running a script many times which
calls starlist and mkobjects and after
running through the script a given
number of times the script crashes with
this error:

*** glibc detected *** free(): invalid
pointer: 0x8001002e ***
*** glibc dete...

3993

By: Brooke

04/29/2006 12:31PM

standard task: ERROR: Cannot convert ...Started by:ncaon, 10/05/2007 02:22PM
Hi,
we are trying to create the sensitivity
function using the Iraf task "standard"
in noao.imred.specred.

However, we get the error:
ERROR: Cannot convert between selected
units

The spectrum seems to be correctly
calibrated in wavelength (nanometers ...

3999

By: ncaon

10/05/2007 02:22PM

How to copy fits binary tableStarted by:, 03/23/2009 06:18AM
Dear all,

I want to copy a fits binary table made
up of image header and spectral data. If
I do:
[code:1:0096a13281]
ttools> cp filename.fit test1
[/code:1:0096a13281]
It copies only the table entries without
the image header.
If I do:
[code:1:0096a...

4005

By:

03/23/2009 06:18AM

identify problems when run as Unix CL...Started by:dougmink, 09/07/2006 08:59PM
We're having strange interactivity
problems with identify when we run it
from
a CL script on the Unix command line.
All of the single-character cursor
commands work, except that 'm' doesn't
prompt for a wavelength. Rather,
it prompts and immediately r...

4005

By: fitz

09/07/2006 08:59PM

How can I get package stsdas.sobsolete?Started by:jay, 06/03/2007 03:17PM
How can I get package stsdas sobsolete?
I want to use the syntax of "Convert"

Thanks a lot!

Jay

4026

By: jay

06/03/2007 03:17PM

Cannot see WCS information from DS9?Started by:hymong, 02/26/2008 05:45AM
Dear Sir/Madam,

I am going to make my observation images
with WCS information. I have download
reference images with WCS from The STScI
Digitized Sky Survey (SDSS) website.
However when I open it with IRAF command
[b:22eba5a1ce]disp[/b:22eba5a1ce] or
d...

4028

By: fitz

02/26/2008 05:45AM

changing data values with imshift and...Started by:bwp, 09/27/2006 04:32PM
I am attempting to analyze data from the
Hubble archives. At this stage, my goal
is to align and median combine 4 images.

I used the STSDAS task wfits to make a
standard FITS file of the image from the
planetary camera (I intend to deal with
the wide f...

4028

By: valdes

09/27/2006 04:32PM

"response" taskStarted by:cosmologist, 06/11/2011 10:23PM
I read the help page of "response" but
I am still not sure what it actually
does or to be more specific, why we need
it....

As far as I understand it normalizes the
input flat file (the input file and the
normalization file in my case are the
same). ...

4039

By: cosmologist

06/11/2011 10:23PM

qphotStarted by:naz, 02/09/2008 07:41AM
Hi all,
I'm trying to run QPHOT task but this
warning message appear : "graphic
overlay not available for display
device.". What should I do to fix the
problem.
Thanks.

Your,
Naz

4053

By: fitz

02/09/2008 07:41AM

HDMGETR warning when attempting to ap...Started by:antares, 08/29/2013 01:41AM
Hi, I am trying to apply fringe
correction to a single image:

[code:1:7c57d0d552]ecl> ccdproc
test389.fits fringeco+ illum=Illum30
fringe=Fringe
Warning: HDMGETR: No value
found[/code:1:7c57d0d552]

In another thread
([url]https://iraf.net/...

4054

By: antares

08/29/2013 01:41AM

fxcor PANICStarted by:flame, 03/22/2006 10:00AM
I work with iraf 2.12.2a-export on
Mandriva 2006.
When I run the task fxcor and I use a
square Fourier filter on data the
following errors appear on fxcor
display:

http://www.geocities.com/bohzzz/fxcor_f.jpg
http://www.geocities.com/bohzzz/fxcor_p.jpg...

4056

By: fitz

03/22/2006 10:00AM

Scombine ERROR: floating point invali...Started by:morrisonss, 04/19/2013 02:26PM
I tried running the task scombine using
the command:
[code:1:f1c3c227be]scombine
input=*_H*L_2.fits
output=TXS0827_HL_2.fits w1=
3776892.899268 dw=8.713374e-01
combine=average
reject=none[/code:1:f1c3c227be]

When I do I get the error:

[code:1:f1c3c227...

4057

By: morrisonss

04/19/2013 02:26PM

hselectStarted by:dbrenner, 05/05/2006 01:11PM
I have a variable object.name which is
equal to HIP 1234.
The query '(object == "@@object.name")'
does not seem to work although there is
a header object with HIP 1234 as the
object
What's wrong?

4058

By: dbrenner

05/05/2006 01:11PM

fxcor on echelle data producing one a...Started by:dr.michi, 01/16/2007 11:35AM
I would like to use fxcor on echelle
spectra. One way is to average the
result from each individual order and
average afterwards, another one is to
use the combined spectrum, but I really
would like to make an average cross
correlation function from all...

4069

By: orsola

01/16/2007 11:35AM

First | Previous | 39 40 41 42 43 44 45 | 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