iraf.net

Welcome to iraf.net Saturday, April 27 2024 @ 03:35 AM GMT

Forum Index > Help Desk > Applications

New Topic

First | Previous | 3 4 5 6 7 8 9 | Next | Last

Topic Subject

Views

Replies

Last Post

helplog.37: colbias, ccdproc, fit1d, ...Started by:Guest, 11/14/2005 09:15PM
NUMBER: 37
KEYWORDS: colbias, ccdproc, fit1d,
prescan, overscan
DATE: Mon Nov 14 14:13:04 MST 2005
FROM: valdes

Q: I have a question concerning the
colbias command in the noao.bias
package of IRAF. I am working with a
telescope which uses columns
1-4...

3735

By: Guest

11/14/2005 09:15PM

multiple columns for biasStarted by:valdes, 11/14/2005 09:12PM
Hello Yan,

It is not common to use both the prescan
and overscan columns at the
same time. The standard IRAF tasks for
handling bias (colbias and
ccdproc) do not allow use of more than
one contiguous region for
bias. However, if you wish to do ...

2824

By: valdes

11/14/2005 09:12PM

Fwd: ellipticity and position angleStarted by:valdes, 11/14/2005 08:31PM
[b:30bd99962a]From:
[/b:30bd99962a]Philip Massey
<massey@lowell.edu
([email]massey@lowell.edu[/email])>
[b:30bd99962a]Date:
[/b:30bd99962a]November 14, 2005 1:02:07
PM MST
[b:30bd99962a]To: [/b:30bd99962a]Frank
Valdes <valdes@noao.edu ([email]v...

2814

By: valdes

11/14/2005 08:31PM

ellipticity and position angleStarted by:valdes, 11/14/2005 07:53PM
Hi Phil,
Unless you want me to put together a
reply on IMEXAM I suggest you look at
the task PSFMEASURE. In the current
version of IRAF it is part of the
OBSUTIL package. To do the
non-interactive job you want you would
make a text file of x/y for a...

3062

By: valdes

11/14/2005 07:53PM

Fwd: xdimsum.makemask: duplicate keyw...Started by:valdes, 11/14/2005 07:40PM
[b:3ea45658ab]From:
[/b:3ea45658ab]Sergio Gelato
<Sergio.Gelato@astro.su.se
([email]sergio.gelato@astro.su.se[/email])>
[b:3ea45658ab]Date:
[/b:3ea45658ab]November 5, 2005 5:02:37
AM MST
[b:3ea45658ab]To: [/b:3ea45658ab]Frank
Valdes <valdes@noa...

2998

By: valdes

11/14/2005 07:40PM

problem with ccdprocStarted by:Guest, 11/13/2005 05:24AM
I'm having trouble with the background
correction in ccdproc. I have
created an average zero image called
Zero.fits, which looks fine. But
when I process my objects with ccdproc,
the routine is processing
Zero.fits for the background correction,
and i...

2669

By: Guest

11/13/2005 05:24AM

a problem about the photStarted by:Guest, 11/12/2005 03:04PM
Dear Sir,

I have a problem about the output mag.
values of the digiphotx package.

Recently, I always get the mag. values
larger than before in both apphot and
daophot packages. The zero point is the
same before and now.
I set the parameter...

2713

By: Guest

11/12/2005 03:04PM

2753

By: Guest

11/12/2005 04:37AM

imexamine error (fwd)Started by:Guest, 11/12/2005 04:22AM
---------- Forwarded message ----------
Date: Sat, 29 Oct 2005 15:43:36 -0700
(PDT)
To: Mike Fitzpatrick
<fitz@tucana.tuc.noao.edu>
Subject: Re: imexamine error

Hi Mike,
thanks for your reply. Here is exactly
what
I am doing:

I open ds9 from a ...

2817

By: Guest

11/12/2005 04:22AM

problem with DOECSLIT/ECREIDENTStarted by:Guest, 11/11/2005 12:03AM
I find that when trying to extract
echelle spectra with dispersion
correction using arcs taken at periodic
intervals during the night,
the rms of the residuals to the
comparison line fitting are much
larger (~300 times for this case) for
the arc after ...

2696

By: Guest

11/11/2005 12:03AM

mscred/zerocombine problemStarted by:Guest, 11/10/2005 05:01PM
Dear Iraf Gurus,

I'm running into a problem in the
mscred package. I'm trying to
run the zerocombine task to stack a set
of bias frames in MEF format,
and am getting the error message:

ERROR on line 46: parameter 'plfile'
not found.

First I tr...

2812

By: Guest

11/10/2005 05:01PM

Problems in IrafStarted by:Guest, 11/09/2005 02:17AM
Dear sir,
Hope you still remember me.As usual, I
have a few
questions of iraf to ask.
1. After extracting the spectrum to 1-D
the imagefile
supposed had an extension of .ms, right?
Now the
problem is the imagefile still in 3-D
format,because
the header ...

2447

By: Guest

11/09/2005 02:17AM

mosaic2Started by:Guest, 11/04/2005 08:34PM
Hola Liliana,

Yes you may go ahead with the reductions
without adding the cosmic
rays to the bad pixel mask.

It was not clear what your problem is
with crplusbpmask.cl. Could
you not download the script,
could you not define the script, or when
y...

2440

By: Guest

11/04/2005 08:34PM

Fwd: sine wave baseline removalStarted by:Guest, 11/04/2005 08:25PM
[b:44e995dd1f]From:
[/b:44e995dd1f]"Phil"
<philbru@earthlink.net
([email]philbru@earthlink.net[/email])>
[b:44e995dd1f]Date:
[/b:44e995dd1f]November 2, 2005 12:15:13
PM MST
[b:44e995dd1f]To: [/b:44e995dd1f]"Frank
Valdes" <valdes@tucana.tuc.noao...

3017

By: Guest

11/04/2005 08:25PM

xdimsum.makemask: duplicate keyword a...Started by:Guest, 11/04/2005 07:55PM
Hello Sergio,

Yes the duplicate use of zloreject at
line 198 is an error. How it
affects PyRAF and if that is the actual
source of the error you would
have to ask the developers of PyRAF (at
help@stsci.edu). XDIMSUM was
not developed with regar...

2772

By: Guest

11/04/2005 07:55PM

problem with the identify task in scriptStarted by:Guest, 11/04/2005 07:35PM
Hello Simone,

This is a common "gotcha". The IDENTIFY
task reads input from the
cursor, from parameters, and from the
standard input of the task. It
is this last part, where it asks for
such things as the wavelength,
that causes problems with t...

2680

By: Guest

11/04/2005 07:35PM

apall (V2.12.2) - sky subtractionStarted by:Guest, 11/04/2005 07:24PM
Hello Anupama,

Thank you for including the data. I do
not believe there were any
significant changes between the two
versions of IRAF for the aperture
extraction. Unless you used exactly the
same aperture definitions,
that is the database/ap* f...

2690

By: Guest

11/04/2005 07:24PM

Fwd: Question about spectra reductionStarted by:Guest, 11/04/2005 07:07PM
[b:2a97495062]From: [/b:2a97495062]Frank
Valdes <valdes@noao.edu
([email]valdes@noao.edu[/email])>
[b:2a97495062]Date:
[/b:2a97495062]November 4, 2005 12:06:19
PM MST
[b:2a97495062]To: [/b:2a97495062]Paola
Rodriguez <paola@astro.ufl.edu
([email...

2669

By: Guest

11/04/2005 07:07PM

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...

3951

By: Guest

11/03/2005 10:49PM

HelpStarted by:Guest, 11/03/2005 10:19PM
Hello Venkat,

I'm sorry for the delay in replying.

The z1,z2 values are the intensity
stretch parameters. There is no
specific criteria for choosing the
values. The same things apply to
simple grey scale display that if one
makes the faintest th...

2803

By: Guest

11/03/2005 10:19PM

xdimsum.makemask: duplicate keyword a...Started by:Guest, 11/02/2005 02:52PM
A local user pointed out the following
error which manifests itself when
running "epar makemask" under PyRAF:

SyntaxError: duplicate keyword argument
(<CL script xdimsum.makemask>,
line 176)

The error message is from Python, which
explains why ...

2699

By: Guest

11/02/2005 02:52PM

software problemStarted by:Guest, 10/28/2005 06:21PM
We are having a problem using the
package msczero and we
are not able to find the solution.

When we start msczero, it loads our
image, but when we try
to do anything on the image (like
pressing x), we get the
message:

the cursor is not in an image

Do...

2575

By: Guest

10/28/2005 06:21PM

problem with the identify task in scriptStarted by:Guest, 10/28/2005 04:03PM
Dear Sirs,

I am writing some IRAF scripts involving
the use of the task "identify".
I would like to use the task
interactively, as when it is launched
from
the command line.
Everything works fine at the beginning:
the task is launched and the
graphica...

2708

By: Guest

10/28/2005 04:03PM

apall (V2.12.2) - sky subtractionStarted by:Guest, 10/28/2005 06:52AM
I am facing problem with the background
sky subtraction while extracting
spectra using apall.

I find that the night sky emission lines
are not well subtracted. I am
currently using V2.12.2. However, I did
not face any such problem when I
was using V...

2509

By: Guest

10/28/2005 06:52AM

imexamine errorStarted by:Guest, 10/26/2005 05:48PM
Hi Terry,
The message is coming from DS9 itself
and we have no other
report of this, so you might also ask at
saord@cfa.harvard.edu to
see whether they know what's going on.
It sounds as though there
is some confusion about the display
frame so you m...

2581

By: Guest

10/26/2005 05:48PM

apall (V2.12.2) - sky subtractionStarted by:Guest, 10/26/2005 04:38PM
I am facing problem with the background
sky subtraction while extracting
spectra using apall.

I find that the night sky emission lines
are not well subtracted. I am
currently using V2.12.2. However, I did
not face any such problem when I
was using V...

2639

By: Guest

10/26/2005 04:38PM

imexamine errorStarted by:Guest, 10/25/2005 07:27PM
Hello,
When I try to run imexamine on an image
already displayed in
ds9, I get an error saying:
can't read "ds9(canvas)":no such
variable

I am not sure why this happens and would
appreciate some advise.

thanks
terry

2613

By: Guest

10/25/2005 07:27PM

Question about spectra reductionStarted by:Guest, 10/21/2005 04:35PM
Good morning,

I am Paola Rodriguez Hidalgo, a
graduate student from UF. I am
experimenting problems when using the
task "apall" to extract spectra
from 2D images. Sometimes a weird "bump"
shows up in the spectra. It
happens sort of randomly, altho...

2560

By: Guest

10/21/2005 04:35PM

imstatistics significant figuresStarted by:Guest, 10/20/2005 09:22PM
Hi John,
By default the output is printed using
a '%10.4g' format, but if
you turn off the 'format' parameter to
print the column headings a more
general '%g' format is used and you'll
see the extra precision.
Otherwise, a code change is required to
...

2606

By: Guest

10/20/2005 09:22PM

A problem with astheditStarted by:Guest, 10/20/2005 04:18PM
Dear Sir/Madam,

I have been experiencing a problem using
the IRAF task asthedit and I
would be grateful for any feedback you
have on a possible solution or
work around. To begin with, I am using
IRAF V2.12.2a on a pentium 4
computer running ubuntu lin...

2910

By: Guest

10/20/2005 04:18PM

First | Previous | 3 4 5 6 7 8 9 | 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