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Programmes
My Github page which I do not use too much.
I am currently working on new codes for group finding and BAO peak detection.
TTS-Programme (test timescape cosmology programme)
This programme was the core of my PhD thesis. It tests a prediction of timescape cosmology by comparing the "individual Hubble-parameter" of galaxies to its line of sight matter distribution. The code is written in Fortran 95 and is parallized to run on clusters. If you use this codes, please cite "Hubble flow variations as a test for inhomogeneous cosmology": direct ADS arXiv
Click here to download it (source code and input files).
GF-programme (group finder and foreground model programme)
This programme locates clusters and groups of galaxies in SDSS and 2MASS data. Due to many revisions and extensions the codes are a bit messy. It is written in Fortran 95 and was published in "The matter distribution in the local universe as derived from SDSS DR12 and 2MRS data": direct ADS arXiv
Click here to download it (source code and input files).
CME-Programm (find compact massive early-type galaxies)
This programme identifies compact massive early-type galaxies in SDSS data. The results are compared to similar datasets. This programme is written in Fortran 95.
The results were published in "Dozens of compact and high dispersion early-type galaxies in Sloan Digital Sky Survey" (direct ADS arXiv). If you use this programme or significant parts of it, please cite the previously mentioned publication.
Click here to download it (source code and input files).
RFP-programme (recalibrate the fundamental plane)
This programme calibrates the fundamental plane of elliptical galaxies using SDSS data and analysis pretty much everything that is possible to analyse there. For fitting, it uses a volume-weighted least-square algorithm. The output of the programme contains aside from the fundamental plane coefficients, all kinds of cross-correlations, statical data on the global properties of elliptical galaxies and a statistic analysis of the sample. This programme is written in Fortran 95.
The main results obtained using that programme were already published in "Calibrating the fundamental plane using SDSS data" (direct ADS arXiv).
Slightly improved results using a larger data set can be found in Appendix A of the paper "Dozens of compact and high dispersion early-type galaxies in Sloan Digital Sky Survey" (direct ADS arXiv). If you use this programme or significant parts of it, please cite the two previously mentioned publications.
Click here to download it (source code and input files).
Lie-Integrator
This programme was written as part of my bachelor thesis in astronomy. It can calculate the orbits of planets and stars using Lie integration. Furthermore, one can also display the data in various ways, including a dynamical 3D environment. This software was written in Delphi 6. My bachelor thesis serves as a kind of documentation and manual on this programme.
Click here to download it (source code and binary).
QC-suite for WFI
This set of Python-scripts was written for the Wide-Field Imager on La Silla Observatory, but can also be applied to other ESO instruments. It simple creates some health-check plots from the quality control pipeline and sends them to a static web page. This code was developed together with Fernando Selman.
Click here to download it.
ZP-scripts for OmegaCam, VIMOS and VIRCAM
This set of shell-scripts dynamical update the zero-points for a couple of Paranal instruments, such as OmegaCam, VIMOS and VIRCam.
Click here to download them.
Achtung, die Kurve!
This game is a mixture between Tron and Snakes. Sadly, I have never had the time to completely finish it. Some planned features are not functioning yet, but it is still fun to play. It is written in Delphi 6.
Click here to download it.
Amoeba
This game is a modernized version of the classic space invaders (the name was inspired by the Amiga game Amoeba invaders). It is written in Delphi 3.
Click here to download it.
Astroids
As the name suggests, this game is a new version of a classic asteroid shooting game. It is written in Delphi 3.
Click here to download it.
Classic Asteroids
This game is as close a copy of the original black-and-white asteroid game as possible. It is written in Delphi 6.
Click here to download it.
Mastermind
This game is a version of the classic guessing game Mastermind. Somehow, I managed to lose its source code, but it was written in Delphi 3.
Click here to download it.
Pascal-Pack
This is a collection of old and simple games, that I wrote in Turbo Pascal.
Click here to download it.
Starfight
This game is new and much more extended version of the classic Amiga game with the same name. One can control a heavily armed space ship to fight in a world fully of obstacles against another space ship (either controlled by another player or the AI). This game is written in Delphi 3.
Click here to download it.
EngineSim
This programme should optimize the shape of a simplified jet engine using a genetic algorithm. Due to using to exactly the right physics (I was in high school when I wrote it), it never really worked quite well. It is written in Delphi 3.
Click here to download it.
Kuben
This programme draws cubes and their higher dimensional counterparts. It is written in Delphi 3.
Click here to download it.
Multidraw
This programme is a complex drawing and image editing suite with many fancy features. I developed it for my "Fachbereichsarbeit" (kind of a tiny high school graduation thesis). It is written in Delphi 3.
Click here to download it.
Photodatabase
This programme is tool to organize photos by the places they were taken, the people on them and by albums, pretty much what Facebook does nowadays. It is written in Delphi 3.
Click here to download it.
F-star-decolouration programme
This is a small programme, written for a university class, to decolour and calibrate measurements of type F stars. It is written in Delphi 6.
Click here to download it.
inter- and extrapolations-programme
This programme can interpolate between or extrapolate from a given set of data points. It was written for a university class and it is programmed in Delphi 6.
Click here to download it.
prim numbers programme
A simple programme that calculates all prim numbers up to a given number. It was written for a university class and it is programmed in Delphi 6.
Click here to download it.
programme for cubic splines
This is a small programme to perform a cubic splines fit on a given set on data points. It was written for a university class and it is programmed in Delphi 6.
Click here to download it.
programme for the calculation of line widths
This programme calculates the line widths and was programmed as a part of a university class. However, I doubt that the equation is correct (we got it from the professor during the class, but I never checked it was correct afterwards). It is written in Delphi 6.
Click here to download it.
Standard-Mapping
This programme creates two dimensional maps of non-linear chaotic systems using standard mapping. It was developed for a university classed and is written in Delphi 6.
Click here to download it.
Standard-Mapping 3D
This programme creates three dimensional landscapes of non-linear chaotic systems using standard mapping. It was developed for a university classed and is written in Delphi 6 and makes use of OpenGL for the 3D plots.
Click here to download it.
spider-diagram programme
This tiny programme simply creates some spider diagrams. It was written for a university class and is programmed in Delphi 6.
Click here to download it.
programmes for the analysis of the "methods" examples
This set of programmes perform the data analysis for several experiments of the "methods" laboratory class. It is written in Delphi 3.
Click here to download it.
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