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Crowded Field PhotometryStarted by:astro07, 05/16/2007 07:50AM
I'm looking at a star that gets really
faint (V mag ~20) and is about 40" away
from an extremely bright B2 star. Using
phot, my annulus gets contaminated by
the light from the bright star so the
annulus radius and width I choose has a
significant impac...

3837

By: astro07

05/16/2007 07:50AM

Uncertainty ComputationStarted by:astro07, 05/16/2007 07:49AM
I have some data taken last year in
which I combined eight 10 second
exposures by averaging them together.
The problem is, the star I'm looking at
is very faint. When I take the error
generated by IRAF using phot and divide
it by the square root of the...

3625

By: astro07

05/16/2007 07:49AM

how well do PHOT tasks approx. small ...Started by:jfarihi, 03/15/2007 11:19PM
my collaborators and i were recently
recommended by a
paper referee to avoid using IRAF PHOT
tasks (say APPHOT),
at sizes as small as r=2 pixels because
the polygons used to
approximate circular apertures are not
very good (his opinion).

he recommend...

3789

By: jfarihi

03/15/2007 11:19PM

troubles with set instrumentStarted by:russty, 03/13/2007 08:32AM
Hi,
I'm trying to set up a translation file
for ccdproc. I created a text file in
ccddb$kpno called RME.dat, and added an
entry in the instruments.men file. I
pasted a copy below:

[code:1:a248d9ba54]subset FILTER

'Dark Frame' dark
'Light Frame' obje...

3928

By: russty

03/13/2007 08:32AM

ecl installation on FC6Started by:Guest, 03/09/2007 08:13AM
There is a problem in ecl installation
script due to new tail command in
FC6:

now: tail +$SKIP $0
shoul be: tail -n +$SKIP $0

Best regards,

Burenin Rodion

3772

By: Guest

03/09/2007 08:13AM

fixpix "MWCS: dimension mismatch...Started by:mikewong, 03/09/2007 05:33PM
[reposted from the buglog comment]

i'm using IRAF 2.13-BETA2 on a macintel
and i could not get fixpix to work. it
kept giving the same error:

Warning: MWCS: dimension mismatch
(mw_gltermd)

i searched and found buglog #458
(https://iraf.net/article...

4671

By: mikewong

03/09/2007 05:33PM

Dealing with nebulosityStarted by:gbr, 02/13/2007 07:49AM
Hi,

I'm an undergraduate student I'd like
some help with PSF in special
backgrounds.

I'm having problems with photometry in
RY tau.It has some nebulosity, which is
not symmetrical.The filters are
UBVRI.All things here are from V filter.

[img:a12489b...

3688

By: gbr

02/13/2007 07:49AM

Reduction helpStarted by:Guest, 02/04/2007 02:46PM
Dear Responsable,

Iam a student doing Master. Iam
interested in reducing images.

Iam contacting you about a point, and
I hope you will help me:
Iam starting working (with IRAF),
which is not so easy for me!, on some
images to reduce...

3308

By: Guest

02/04/2007 02:46PM

Q: iraf installation on linuxStarted by:Guest, 12/26/2006 08:38PM
Hi,

I'm installing IRAF on linux (RedHat
Enterprise 4.0). I basically
followed through the instruction in the
document "linuxiraf.ps",
but "cl" wouldn't run. Here's what I
did:

1. when I ran ./install -n, it returned
a bunch of error messages
relat...

3222

By: Guest

12/26/2006 08:38PM

typo in imcombine.hlpStarted by:zarate, 11/28/2006 10:23PM
Hi Phil;

Thanks for reporting this. I have
forwarded to
iraf@noao.edu and someone would take
action.

Cheers
Nelson

On Tue, 28 Nov 2006 17:15:21 -0500
Phil Hodge <hodge@stsci.edu>
wrote:
> Nelson,
>
> I don't know who fixes typos...

3501

By: zarate

11/28/2006 10:23PM

Request for the softwareStarted by:Guest, 10/03/2006 03:51PM
Sir,

My name is Fr.Paul Nedumpurath.I am the
Principal of NEWMAN
COLLEGE,THODUPUZHA,KERALA,INDIA.

Our college is situated in a rural
area.We have nine departments.Amoung
them 5 offer postgraduate courses.About
1400 students are studying
here.Our facul...

3251

By: Guest

10/03/2006 03:51PM

Please add the Olin Observatory to th...Started by:Guest, 07/28/2006 05:00PM
Hello,

Please add the Olin Observatory to the
obsdb.dat file. I have included the
required information below and in the
attached text file.

Thank you,

_____________________________________________________________________________

# Observatory pa...

3580

By: Guest

07/28/2006 05:00PM

combining: floating point invalid ope...Started by:kari, 07/25/2006 09:18AM
Hi, I'm running PC-IRAF Revision 2.12.2
on a linux (ubuntu) system. I'm using an
Acer AMD Sempron laptop.

My problem is combining images.
Everytime I try to use flatcombine or
imcombine f.ex. I get the following
error:
ERROR on line 47 : floating point...

4319

By: kari

07/25/2006 09:18AM

iraf questionStarted by:Guest, 07/24/2006 11:58PM
Hi Shaye,

> I am an REU at NOAO for the summer,
and Steve Howell suggested I
> talk to you.
>
> I am working on comet imaging. I
have a coma feature that I want to
> find the centroid of. Steve
suggested eyeballing a center,
> a...

3413

By: Guest

07/24/2006 11:58PM

iraf2.13-beta2 on MacBook ProStarted by:caspin, 06/04/2006 01:49AM
I've just finished installing the Intel
Mac binaries on my new Macbook Pro and
it works great! It runs the Gemini
test benchmark script considerably
faster than the PPC binaries. Very nice
Mike, thanks for doing this! :lol:

The results are impr...

3749

By: caspin

06/04/2006 01:49AM

[Fwd: MiMo and WCS]Started by:valdes, 06/01/2006 10:59PM
Hi Steve,

Yes I believe the MiMo WCS is now fixed
for users.

Probably the task that would be most
like what you describe is
mscred.mscfinder.msctpeak (i.e. task
msctpeak task in the mscfinder
subpackage of the mscred package).

Frank

Steve Howell w...

3533

By: valdes

06/01/2006 10:59PM

fitsutil fixStarted by:srwalton, 03/16/2006 07:30PM
Hi, all,

I just downloaded the fitsutil package
and tried to build it. It contains an
error: there is a DO loop in
imputextf.x where the DO control
variable is modified within the loop,
which violates the Fortran standard (and
this is rejected by the...

3874

By: srwalton

03/16/2006 07:30PM

IRAF informationStarted by:Guest, 10/06/2005 04:53PM
Hi P.,

The file is a compressed
Postscript document, be sure that you

downloaded it in binary mode and that
once on your end you uncompress

it. We ha...

2975

By: Guest

10/06/2005 04:53PM

IRAF informationStarted by:Guest, 10/05/2005 11:29AM
Dear Sir,

I am doing research study at the
University of Bradford, UK and I tried
to download and open "beguide.ps.Z" in
Windows XP also in RedtHat Linux 9.0,
but I could not open it. Also the " get
iraf info " massage is twice undeliverd
by irafinf...

2490

By: Guest

10/05/2005 11:29AM

ctrl D not working while doing photom...Started by:dimrsl, 11/10/2023 04:28PM
iraf v2.17
ds9 8.3

Ctrl D is working in general but while
Im trying to select (I set the cursor
above my object and click 'r' ) my
reference objects and main object on ds9
this operation is not working, so Im not
able to save or finish the task or a...

1069

By: fitz

11/11/2023 01:27AM

Question running SplotStarted by:AstroChris, 03/10/2023 06:04PM
So I?m an undergraduate student trying
to do some research, I?m currently using
Iraf and I?m trying to follow my
professors instructions to run splot and
get to the data I?m trying to us,
however i don?t think he gave me
complete instructions, I would a...

1952

By: fitz

03/13/2023 01:37AM

Debian IRAF on Ubuntu does not see ex...Started by:msz1959, 09/01/2021 07:57AM
I have NOAO/IRAF Debian
2.16.1+2018.11.01-3 installed on a
Ubuntu 20.04 machine, using metapackage
astro-iraf which also installs several
external packages (fitsutil, msdred,
rvsao, sptable,wcstools). For an unknown
reason, IRAF does dot detect those pa...

1749

By: fitz

09/02/2021 04:46PM

Downloads for Older Versions of IRAFStarted by:justinc, 07/11/2021 02:32PM
Are there any archive versions of IRAF
available for download anywhere? I can't
find them on NOAO.
I need 2.12.2a.

1360

By: fitz

07/12/2021 06:32PM

CanStarted by:massey, 03/09/2019 10:45PM
Hi Mike et al---

I've come across about dozen ancient
IRAF images (IIDS data) that are still
in the "imh" and "pixels" form. The
weird thing is that although I can see
them find with an ls, imhead says it
can't open the file. I could understand
it ...

839

By: fitz

03/11/2019 02:10AM

doslit assign arc spectra problemStarted by:dofey, 10/06/2018 03:43AM
Hi,
I'm running doslit and I'm getting the
following error:
Assign arc spectra for [imgname]
No arc reference assigned for [imgname]

It's also not creating the
"idobj1arc1.ms" files

What is going wrong?

PACKAGE = kpnoslit
TASK = doslit
...

660

By: dofey

10/06/2018 04:27AM

IRAF host scripting fails with segmen...Started by:mcba, 09/17/2018 07:31AM
Hi guys,

I'm trying to use an IRAF command in a
bash script, so I am creating a file
like this:

#!/home/mcba/miniconda3/envs/iraf27/iraf/bin.linux/ecl.e
-f
task $hello=/home/mcba/iraf/hello.e
imhead g.fits
hello
logout

When I run this, the ...

754

By: mcba

09/17/2018 10:55PM

Can't add headers to file using heditStarted by:e.longstaff, 09/10/2018 05:43PM
When I type this,

imutil> hedit myfile.fits
CUNIT1="Angstrom" add+ addonly+

I get this error,

ERROR: parameter `CUNIT1' not found

I've so far got around it by epar hedit
and setting add and addonly to yes but
this isn't a permanent solution....

875

By: fitz

09/10/2018 06:07PM

HARPs dataStarted by:jirizak1, 07/27/2018 10:50PM
Hello IRAF users

I have run into a trouble with datas
from HARPs. I have tried to run fxcor
task on two spectras however it says no
velocities will be computed (see the
screen). I have used the sptable package
that is recommended by ESO to use on
HAR...

464

By: fitz

08/01/2018 06:39PM

Unable to open SDSS DR8 spectra in iraf Started by:SMBehH, 07/25/2018 03:05PM
I have been unable to open SDSS DR8
spectra in iraf. The tutorial given on
the SDSS website
http://iraf.noao.edu/ADASS/adass_proc/adass_95/hodgep/hodgep.html
is too difficult for me to follow. Can
anyone clarify this for me? Thank you so
much, I am a be...

1296

By: fitz

08/01/2018 06:48PM

Pixel storage file is truncatedStarted by:Pamela, 07/10/2018 10:04PM
Hi,

While trying to do image reduction this
error stopped my mojo:

ERROR: Pixel storage file is truncated
(hatp27-026.fit)

I read similar questions from 2012 but
did not understand how they solved the
problem.

I am running iraf v.2.6.1 for l...

724

By: fitz

07/18/2018 07:12PM

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