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benjamin beauchesne
11/20/25
Lenstool version 8.9.0: Change of coordinates transformation
Dear Lenstool-ers, In the new version 8.9.0 released today, lenstool will use more accurate
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Lenstool version 8.9.0: Change of coordinates transformation
Dear Lenstool-ers, In the new version 8.9.0 released today, lenstool will use more accurate
11/20/25
benjamin beauchesne
11/20/25
Lenstool days report
Dear Lenstool-ers, Please find attached the report from the lenstool days held last month in Liege.
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Lenstool days report
Dear Lenstool-ers, Please find attached the report from the lenstool days held last month in Liege.
11/20/25
benjamin beauchesne
9/9/25
Lenstool days 2025
Dear Lenstool-ers As you may already know, the lenstool days will happen this year in Liege, Belgium,
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Lenstool days 2025
Dear Lenstool-ers As you may already know, the lenstool days will happen this year in Liege, Belgium,
9/9/25
Eric Jullo
2
9/3/25
Re: Request for Bullet Cluster mass model FITS (Paraficz+2016)
Indeed, the FITS files are not available on this wiki page. I guess you will have to download them
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Re: Request for Bullet Cluster mass model FITS (Paraficz+2016)
Indeed, the FITS files are not available on this wiki page. I guess you will have to download them
9/3/25
Guillaume Mahler
2
8/5/25
Announcement: Lenstool days 20-21 Oct & Scaling up Lensing Workshop 22-24 Oct 2025
Dear all, A kind reminder about the upcoming lenstool days AND upcoming workshop. The workshop
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Announcement: Lenstool days 20-21 Oct & Scaling up Lensing Workshop 22-24 Oct 2025
Dear all, A kind reminder about the upcoming lenstool days AND upcoming workshop. The workshop
8/5/25
Michael Hansen
12/27/23
Install on Ubuntu via apt-get
Hi, I am trying to install Lenstool via apt-get, but when I do, I get an error that the package does
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Install on Ubuntu via apt-get
Hi, I am trying to install Lenstool via apt-get, but when I do, I get an error that the package does
12/27/23
CHEN Chian-Chou (T.C.)
8/24/21
PIEMD potential
Hi all, I'm trying to compute magnification factors for a set of sources that have foreground
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PIEMD potential
Hi all, I'm trying to compute magnification factors for a set of sources that have foreground
8/24/21
Dominik Rhiem
,
Johan Richard
2
8/27/20
FITS image as input
Hi Dominik, What you are interested in is "pixel 1 " and "pixel 2" from the
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FITS image as input
Hi Dominik, What you are interested in is "pixel 1 " and "pixel 2" from the
8/27/20
Dominik Rhiem
, …
Joseph E. Coleman
9
7/16/20
NFMAX and lensing with NFW profiles
Hi Joseph, Yes, I did, but the shear is somewhat difficult to implement, plus using Lenstool would
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NFMAX and lensing with NFW profiles
Hi Joseph, Yes, I did, but the shear is somewhat difficult to implement, plus using Lenstool would
7/16/20
Chian-Chou Chen (TC)
,
Johan Richard
5
8/13/19
source plane image to image plane image
Thanks Johan, Indeed it was the version issue - I was using 6.7.1 since I've been using it which
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source plane image to image plane image
Thanks Johan, Indeed it was the version issue - I was using 6.7.1 since I've been using it which
8/13/19
Jean-Paul Kneib
, …
Roberto Scipioni
5
7/26/19
Problems compiling Lenstool on HPC
Yes it did thanks :-) learning new things every day Regards Roberto From: lens...@googlegroups.com [
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Problems compiling Lenstool on HPC
Yes it did thanks :-) learning new things every day Regards Roberto From: lens...@googlegroups.com [
7/26/19
Eric Jullo
3/20/19
Lenstool on Macports
Dear all, For Mac users, Lenstool is now on Macports. You can install Lenstool version 7.1.1 using
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Lenstool on Macports
Dear all, For Mac users, Lenstool is now on Macports. You can install Lenstool version 7.1.1 using
3/20/19
Eric Jullo
5/23/17
New Lenstool release 7.0
Dear all, It has been a long time since the last Lenstool release 6.8.1. With the developer's
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New Lenstool release 7.0
Dear all, It has been a long time since the last Lenstool release 6.8.1. With the developer's
5/23/17
Richard Massey
, …
Eric Jullo
4
5/21/17
Hernquist profile, mass and scale radius?
Hi Note that you can also parametrize the Hernquist model in terms of its Virial mass in Msun. In
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Hernquist profile, mass and scale radius?
Hi Note that you can also parametrize the Hernquist model in terms of its Virial mass in Msun. In
5/21/17
Xin Wang
,
Johan Richard
11
3/29/17
predicted source plane morphology being huge
oh, I see. I was using version 6.8 but probably not the latest one. Thank you so much for all the
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predicted source plane morphology being huge
oh, I see. I was using version 6.8 but probably not the latest one. Thank you so much for all the
3/29/17
Xin Wang
, …
Johan Richard
4
3/26/17
the correct identifiers to output maps of convergence and shear using Lenstool version 6.8
Hi Mathilde and Johan, Your replies really helped! I've figured this out. Thanks! Best regards,
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the correct identifiers to output maps of convergence and shear using Lenstool version 6.8
Hi Mathilde and Johan, Your replies really helped! I've figured this out. Thanks! Best regards,
3/26/17
Xin Wang
,
Johan Richard
5
3/23/17
burn-in points in bayes.dat?
Got it Johan! Thanks so much! Best regards, Xin Wang --------------------------------------
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burn-in points in bayes.dat?
Got it Johan! Thanks so much! Best regards, Xin Wang --------------------------------------
3/23/17
Michael Hansen
,
Mathilde Jauzac
4
3/22/17
Restart.dat file
Hi, A small update. This seems like a more appropriate solution: if ( M.icorshear != 0 ) cor_shear();
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Restart.dat file
Hi, A small update. This seems like a more appropriate solution: if ( M.icorshear != 0 ) cor_shear();
3/22/17
Xin Wang (Albert)
,
Johan Richard
3
3/20/17
on creating maps of deflection angles
Dear Johan, Thanks for your reply! It turns out that it's the names of the fits files being too
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on creating maps of deflection angles
Dear Johan, Thanks for your reply! It turns out that it's the names of the fits files being too
3/20/17
Richard Massey
,
Johan Richard
2
2/18/17
pelli plots a second, dashed ellipse
Dear Richard, Not sure if it helps, but the pelli script mentions the following: # If it's the
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pelli plots a second, dashed ellipse
Dear Richard, Not sure if it helps, but the pelli script mentions the following: # If it's the
2/18/17
Guido Davoli
, …
keren sharon
5
12/11/16
calculation of critical lines
Dear all, I just found a mistake in my code for the calculations of critical lines. Lenstool works
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calculation of critical lines
Dear all, I just found a mistake in my code for the calculations of critical lines. Lenstool works
12/11/16
Xin Wang (Albert)
,
Johan Richard
7
9/15/16
on the chi2 values shown in the optimization phase
Got it! Thank you so much Johan! Best regards, Xin Wang --------------------------------------
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on the chi2 values shown in the optimization phase
Got it! Thank you so much Johan! Best regards, Xin Wang --------------------------------------
9/15/16
Michael Hansen
,
Eric Jullo
2
11/17/15
Mag0 behavior
Hi Michael, No, I never experienced this behaviour. Maybe there is a typo somewhere in the catalog or
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Mag0 behavior
Hi Michael, No, I never experienced this behaviour. Maybe there is a typo somewhere in the catalog or
11/17/15
Markus Rexroth
, …
Michael Hansen
6
11/12/15
Abort trap
Hi Justin, Well, both the configure and make log seems to be in order, but the compilation usually
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Abort trap
Hi Justin, Well, both the configure and make log seems to be in order, but the compilation usually
11/12/15
Richard Massey
, …
Eric Jullo
15
11/3/15
Implementation of elliptical profiles in lenstool
This is good news. Can you register on the readmine of LAM http://projects.lam.fr Then, I will add
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Implementation of elliptical profiles in lenstool
This is good news. Can you register on the readmine of LAM http://projects.lam.fr Then, I will add
11/3/15
Justin Bird
10/29/15
Abort trap __psynch errors
Hello, Thanks for the reply. Unfortunately, the errors I am receiving are occurring while trying to
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Abort trap __psynch errors
Hello, Thanks for the reply. Unfortunately, the errors I am receiving are occurring while trying to
10/29/15
Eric Jullo
9/14/15
Lenstool wiki
Dear All, You might have noticed that there was a problem to access the Lenstool wiki. http://
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Lenstool wiki
Dear All, You might have noticed that there was a problem to access the Lenstool wiki. http://
9/14/15
Michael Hansen
, …
Eric Jullo
6
9/11/15
Lenstool page missing
Can you try svn checkout http://svn.oamp.fr/repos/lenstool/trunk lenstool Eric On Sep 11, 2015, at 4:
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Lenstool page missing
Can you try svn checkout http://svn.oamp.fr/repos/lenstool/trunk lenstool Eric On Sep 11, 2015, at 4:
9/11/15
Soniya Sharma
, …
Eric Jullo
6
7/19/15
Example_ arclestat in lenstool
Dear Soniya In order to rebuild your lens tool_tab file, you need to go to the root directory and
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Example_ arclestat in lenstool
Dear Soniya In order to rebuild your lens tool_tab file, you need to go to the root directory and
7/19/15
Michael Hansen
, …
Eric Jullo
11
3/25/15
Problems with Chi^2 calculations
Hi all, I might have some sort of solution to this problem. What I have noticed is that all the
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Problems with Chi^2 calculations
Hi all, I might have some sort of solution to this problem. What I have noticed is that all the
3/25/15