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July 2006

up to week ending 14/07/06 on holidays

June 2006

up to week ending 30/06/06: finished first version of the leakage matrix code and the optimal-mask code. Update the CVS algorithms.

May 2006

Week ending 26/05/06: Test for low-degrees the method of optimal-masks for large number of CCD pixels against the previous method. Install the GNU Scientific Library (GSL) to use in the code for optimal-masks.

Week ending 12/05/06: Made modifs to the leakage matrix code. Find a method to avoid problems when using optimal-masks algorithm with a large number of CCD pixels .

April 2006

Week ending 28/04/06: Continue working on the coding of optimal masks for low-degree p modes.

Week ending 21/04/06: Start working on the coding of optimal masks for low-degree p modes.

Week ending 14/04/06: Holidays.

Week ending 07/04/06: Continuing work on p-mode profile model which includes the effect of a frequency shift with to the solar-cycle.

March 2006

Week ending 31/03/06: Test of a p-mode profile model which includes the effect of a frequency shift with to the solar-cycle.

Week ending 24/03/06: Continuing with dynamic part of the leakage matrix recoding + installation of the CVS environment and test.

Week ending 17/03/06: Start recoding in C of the dynamic part of the leakage matrix.

Up to 10/03/06 : Start with recoding in C of the leakage-matrix code (written in IDL) following rules as given here CCodingStandard. Static part of the leakage matrix is done. Installation of the cfitsio C-library to read and write fits files. Start looking into the CVS environment(AccessToCVS).

next : recoding in C of the dynamic part of the leakage matrix. Implement the first version of the code onto the eSDO CVS.

February 2006

Week ending 17/02/06 : HMI/AIA meeting.

Week ending 10/02/06 : Work on optimization of the leakage-matrix code.

Week ending 03/02/06 : Work on the presentation for the eSDO meeting + eSDO meeting.

January 2006

Week ending 27/01/06 Start implementation of leakage for medium-l into the code to produce artificial m-nu diagrams code

Week ending 20/01/06 Collaboration with S.Vorontsov for testing/debugging of the leakage-matrix code.

Week ending 13/01/06 Finished the implementation of the leakage-matrix as described in Vorontsov and Jefferies, ApJ 623, 1202-1214 : cubic distortion, CCD tilt and mode coupling due to differential rotation are taken into account.

Week ending 06/01/06 Work on the code to compute the leakage-matrix as described in Vorontsov and Jefferies, ApJ 623, 1202-1214 : coordinate system transformation and line-og-sight projection including the horizontal velocity are now taken into account.

December 2005

Week ending 09/12/05 Work on the code to compute the leakage-matrix: psf and gaussian binning as described in Vorontsov and Jefferies, ApJ 623, 1202-1214 are now taken into account. Meeting in Paris: discussions with S.J. Jimenez Reyes on methods to fit medium-l spectra.

Week ending 02/12/05 Test of optimal-masks on artificial Dopplergrams for low-degree l=1,2 with correlated noise.

November 2005

Week ending 25/11/05

Read articles on leakage matrix modelling for MDI data. Korzennik et al., 2004, ApJ 602,481.515. Vorontsov and Jefferies, ApJ 623, 1202-1214

Week ending 18/11/05

Continuing with work on the code of Jesper concerning leakage matrix for MDI data. Work with Bill on modelling of p-mode line profile to account for frequency-shift with solar activity.

Week ending 11/11/05

Work on the code of Jesper concerning leakage matrix for MDI data.

Week ending 04/11/05

Meeting in Bern on data analysis of helioseismic 9-year datasets from MDI, BiSON, VIRGO and GOLF. Discussions on optimal-masks and MDI code with A. Kosovichev.

October 2005

Week ending 14/10/05

MDI code for fitting medium-l modes has been made available to eSDO by Jesper. Made MDI integrated velocity and SHT time series for modes l=1-6 for the period 1996-2004.

Week ending 07/10/05

Work on the presentation to the eSDO meeting + eSDO meeting. Work at Birmingham on the artificial time series paper.

September 2005

Week ending 30/09/05

Work on the artificial time series paper.

Week ending 02/09/05

continuing work on fitting artificial timeseries.

August 2005

Week ending 26/08/05

work with HMI people on fitting artificial timeseries.

Week ending 19/08/05

continuing with program to build and fit the artificial m-nu diagrams

Week ending 12/08/05

work on a program to build and fit the artificial m-nu diagrams.

Week ending 05/08/05

update of templates concerning frequency and asymmetry analysis algorithms.

July 2005

Week ending 29/07/05

continuing work on the asymmetry analysis algorithm. Test of the formula against asymmetry obtained from artificial SHT time series.

next-week: updating docs concerning frequency and asymmetry analysis algorithms.

Week ending 22/07/05

work on asymmetry analysis algorithm. Derivation of a new formula for the mode profile asymmetry in the case of SHT time series.

June 2005

Week ending 24/06/05

improved speed of the artificial dopplergram code and added SHT timeseries as output. Provided HMI group with artificial SHT timeseries of 72 days for testing.

Week ending 17/06/05

update of quicklook data on eSDO pages. Discussions with HMI group on testing of artificial Dopplergrams with the MDI pipeline.

Week ending 10/06/05

Spherical-harmonics masks implemented with artificial Dopplergrams.

next-week : update quicklook data eSDO pages

Week ending 03/06/05

start implementing spherical-harmonics masks with artificial dopplergrams.

next-week : continue with spherical-masks. Investigating quicklook data.

May 2005

Week ending 27/05/05

Continuing test of the artificial MDI Dopplergrams program. Make artificial integrated velocity-like timeseries and fit the l=0-3 modes.

next-week: make and fit m-nu diagrams with spherical-harmonics masks applied to artificial dopplergrams.

Week ending 20/05/05

Test of the artificial MDI Dopplergrams program. Make artificial integrated velocity-like timeseries and fit the l=0 modes.

next-week: extend test to higher degree modes.

Week ending 13/05/05

Working on an IDL program which makes artificial MDI Dopplergrams including modes up to l=20 with asymmetrical profiles.

next week : continue working on artificial Dopplergrams

Week ending 06/05/05

Worked with Yvonne and Bill in Birmingham

Attended eSDO meeting in Birmingham

April 2005

Week ending 29/04/05

Prepared the eSDO meeting presentation.

Week ending 22/04/05

Working on Quicklook data.

Week ending 15/04/05

Continued investigating algorithms for HMI peak-bagging.

Week ending 08/04/05

Investigating algorithms for HMI peak-bagging.

-- ThierryToutain - 13 Apr 2005

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Topic revision: r39 - 2006-06-29 - ThierryToutain
 
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