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31 January 2023 | Story Leonie Bolleurs | Photo Leonie Bolleurs
UFS unveiled new spectrograph
Assisting Prof Richard Gray with the installation of the spectrograph and the polarimeter were the Electronics and Instrumentation departments at both the UFS and the ASU. Left from the spectrograph, are from the left, front: Innes Basson, Head of the Department of Electronics and Instrumentation, Prof Pieter Meintjes, Senior Professor in the Department of Physics, Mark Jackson, Department of Electronics and Instrumentation, Hélène Szegedi, Lecturer in the Department of Physics, and Prof Richard Gray. At the right, from the spectrograph, front, are Natali Matchelt, master’s student, Izak van der Westhuizen, Lecturer in the Department of Physics; Barend Crous, Department of Electronics and Instrumentation; middle: Wian Smit, master’s student, Joleen Barnard, master’s student; back: Kobus Krüger, Department of Electronics and Instrumentation, Henri Roodt, Department of Electronics and Instrumentation; and Dr Hendrik van Heerden, Department of Physics.

The University of the Free State (UFS) is gearing up to be a leading academic institution in astronomical research. The institution successfully mounted a spectrograph with a polarimeter to the Boyden Observatory 1,5-m telescope that will provide scientists with visual access to both the Northern and Southern Hemispheres. 

The instrument, which can be accessed from Boyden, an astronomical research observatory and science education centre a few kilometres outside Bloemfontein, will allow researchers such as the Astrophysics Group at the UFS to do simultaneous polarimetry and spectroscopy of astronomical sources. This is vital for the research they are working on.

Mounting the spectrograph to the telescope and installing the polarimeter completed the upgrade of the 1,5-m telescope and is a leap forward for the astrophysics group at the UFS. The upgraded telescope with the spectropolarimeter, with a valued cost of R1.5 million, will also provide unique opportunities for collaborative research between the Astrophysics Groups at the UFS and researchers from the Appalachian State University (ASU). This adds greatly to the astrophysics research capacity at the university.
 
Prof Richard Gray, who 2019 started with the development of the astronomical spectrograph for the UFS Department of Physics, is a world-renowned expert in stellar spectroscopy, from the Department of Physics and Astronomy at ASU in North Carolina in the US. He was mainly responsible for the development and building of the instrument. 

Prof Pieter Meintjes, Senior Professor from the UFS Department of Physics, describes the moment that installation was completed as a feeling of enormous relief. “It took many hours of hard work, planning and testing to marry the 90-year 1,5-m telescope with the new sophisticated instrument,” he says. 

Adding value to graduate programme

Besides the development and installation of the spectrograph, Prof Gray also designed and built a polarimeter which can be integrated with the spectrograph. When placed inside the spectrograph, this piece of equipment transforms the spectrograph into a spectropolarimeter, giving it additional functionality. “This allows us, for example, to detect and analyse polarised light. It enables us to study the effect of magnetic fields in astronomical sources which introduce various polarisation signatures that can be detected with the polarimeter,” explains Prof Gray.

“I am fascinated by the polarimetric capabilities that we never had before. It is a great step forward,” remarks Prof Meintjes. 

“The Department of Electronics and Instrumentation at the UFS played an enormous role in the building of several components of the instrument that Prof Gray designed, as well as getting the 1.5-m telescope research ready so that the completed instrument could be mounted to the telescope”, says Prof Meintjes

He envisages that the research instrument will be ready for research purposes by March this year. Up till then researchers, graduates, and third-year students will have the opportunity to spend time on the spectrograph to familiarise themselves with it.

polarimeter
Prof Richard Gray posing with the polarimeter. With him is Prof Pieter Meintjes. (Photo: Leonie Bolleurs)


“Once installation is finalised, the UFS will be the only academic institution in South Africa with access to a 1.5-m telescope paired with a spectrograph. This gives us an edge in terms of our astrophysics programme and the training we provide our students. It also adds so much value to our graduate programme,” he says.

New instrument provides much flexibility

The spectrograph offers Prof Meintjes many possibilities for his research, and he is eager to put the instrument to use. To study binary systems as well as the jets of Active Galactic Nuclei (AGN), you need a spectrograph, preferably with polarimetric capabilities. It can also be applied to finding elements at the surface levels of stars so that their chemical composition can be determined.

“In the past, we needed to send our researchers to Sutherland and they were never guaranteed clear skies. Having this facility gives us so much flexibility,” he says.

 

Tsebo Matsoso and Siphephelo Ndlovu

Prof Brian van Soelen from the Department of Physics will be a key user of the spectrograph for his research. He is also playing an important role in terms of postgraduate training and research where the spectrograph is applied. 

Photo: Mart-Mari Duvenhage

  

 


The polarimeter converts the spectrograph to a spectropolarimeter. This instrument, which is mounted on a telescope (in the case of the UFS, it is mounted on the Boyden 1,5-m telescope) enables the user to detect whether radiation from  astronomical objects are polarised and to analyse the level of polarisation of the  light. Scientists can then, for instance, study the effect of magnetic fields in astronomical sources, which introduce various polarisation signatures (typically with a characteristic  level of polarisation).

News Archive

UFS awards degrees at autumn graduation ceremony
2009-04-28

The University of the Free State’s (UFS) autumn diploma and graduation ceremony took place this week in the Arena on the South Campus in Bloemfontein (formerly known as the Vista Campus). This arrangement has been made because of the large-scale renovations to the Callie Human Centre on the Main Campus.

Friday, 24 April 2009
Faculties of Health Sciences, Law and Theology Diploma ceremony

Law student’s achievement excels 80%
Four Law students obtained the LLB degree at this year’s autumn graduation ceremony of the University of the Free State (UFS) summa cum laude and were awarded the Moritz Bobbert Medal. They are from the left: Lezelle Olivier (80%), Albert Nell (91%) and Amanda du Toit (83%). LiFeng Chien were absent during the photo.




UFS awards degrees at autumn graduation ceremony
Today 331 students and five doctorates in the Faculties of Health Sciences, Law and Theology received their qualifications at this year’s autumn graduation ceremony of the University of the Free State (UFS). Michael Molahloe (left) and Mamokete Ntholeng both received their LL.B. degrees in the Faculty of Law.
Photo: Leonie Bolleurs




This year’s autumn graduation ceremony of the University of the Free State (UFS) was held on the South Campus. From the group of students that received their qualification from the Faculty of Law, is from the left: Janine Jonson, Anneska van der Spoel, Andrea Coetzer, and Jo-Mari Visser.
Photo: Leonie Bolleurs



Students in Nursing receive their degree
A group of students from the Faculty of Health Sciences received their B.Soc.Sc. degree at this year’s autumn graduation ceremony of the University of the Free State (UFS). At the occasion were, from the left: Ruth Beukes, Basetsana Panana, and Dipontsheng Tsolo.
Photo: Leonie Bolleurs



UFS Faculty of Health Sciences awards degrees
Liezl Swanepoel (left) and Heide van der Merwe received their BSocSC degrees at the University of the Free State’s (UFS) autumn graduation ceremony.
Photo: Leonie Bolleurs

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Thursday, 23 April 2009
Faculty of Natural and Agricultural Sciences & Chancellor’s Dinner



UFS awards unique doctorate
Dr Rodney Douglas, who had never obtained any formal undergraduate qualification, this week received a Ph.D. in Geography and Geology during the autumn graduation ceremony of the University of the Free State (UFS). The name of his thesis is “A new perspective on the geohydrological and surface processes controlling the depositional environment at the Florisbad archaeozoological site”. He had four papers published in journals that were related to his thesis. He obtained his South African Museums Association Diploma in Biology in 1988 and his M.Sc. in Environmental Biology at the University of Natal, Durban in 1992. He was accepted as a Master's degree student at that university based on research that he had conducted on, amongst others, the diets of reptiles. He has been working at the Department of Herpetology at the National Museum, Bloemfontein since 1984, where he holds the post of Principal Museum Scientist and Head of Department.
Photo: Leonie Bolleurs



Chancellor’s Dinner: UFS honours doctoral students
Last night, the University of the Free State (UFS) honoured students who had received their Ph.D. degrees at the autumn graduation ceremony this past week, at the Chancellor’s Dinner. A total of 25 doctorates were awarded during the respective ceremonies. Attending the occasion were, from the left: Dr Annemarie Kühn, Ph.D. in Chemistry, Prof. Jeanet Conradie, Department of Chemistry at the UFS and Dr Kühn’s promoter, Prof. Teuns Verschoor, Acting Rector of the UFS, Prof. Corene de Wet, Department of Comparative Education and Education Management at the UFS, and Dr Mafu Rakometsi, Chief Executive Officer of Umalusi and former head of the Free State Department of Education who received a Ph.D. in History. Prof. De Wet is Dr Rakometsi's co-promoter and the late Prof. Leo Barnard, former Head of the Department of History at the UFS, who passed away at the beginning of April 2009, was his promoter.
Photo: Leonie Bolleurs



Mrs Annemarie Kilian, Mr Willem Kilian (BSc. Hons) and Prof Stephanus Kilian
Photo: Mangaliso Radebe



Mr Jaco van der Merwe, Mr Renico Pretorius and Mr Rion Terblanche (all BSc. Quantity Survying)
Photo: Mangaliso Radebe



Ms Mamakoanyane Amelia Shata (BSc. Genetics and BSc. Hons. Plant Molecular Biology) and Mrs Maente Adelinah Shata.
Photo: Mangaliso Radebe



Mr Maurice Ambrose and Mr Owen Monk (both BSc. Quantity Survying).
Photo: Mangaliso Radebe



Ms Tobeka Mehlomekhulu (Lecturer: Department of Geography), Mr Neo Mokgosi (BSc. Hons. Genetics) and Ms Nwabisa Mehlomekhulu (BSc. Hons. Food Science).
Photo: Mangaliso Radebe



Mr John Mdane, Mr Fana Mdane (BSc. Information Technology) and Mrs Agnes Mdane
Photo: Mangaliso Radebe



Mr Kevin Vermaak (BSc. Hons. Geohydrology) and Ms Michelle Steenkamp (BSc. Hons. Geology).
Photo: Mangaliso Radebe

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21 April 2009
Faculty of Economic and Management Sciences



Prof. Magda Fourie's daughter graduates
Nadia Fourie, daughter of Prof. Magda Fourie, former Vice-Rector: Academic Planning at the UFS and now Vice-Rector: Teaching at Stellenbosch University, received the B.Com. Law degree.
Photo: Lacea Loader



724 degrees were awarded during the ceremony of the Faculty of Economic and Management Sciences. Here are, from the left: Simon Serutla, B.Com. Accounting, Lourencia Hamuaka, B.Com. Honours in Financial Economics and Investment Management, Sunet Opperman, B. Accounting, and Yolandi Greyling, B. Accounting.
Photo: Lacea Loader



Students in the Faculty of Economic and Management Sciences graduated this week during the University of the Free State's (UFS) autumn graduation ceremony. Altogether 724 degrees were conferred. Here are, from the left: Marie-Louise Lombard, B.Com. Law, Adriaan van der Merwe, B.Com. Law and member of the Student Representative Council (Legal and Constitutional Affairs), Basanio Ncike, B.Com. Economics, and Richard Schooling, B.Com. Banking.
Photo: Lacea Loader



Center for Accounting honours top achievers
The Centre for Accounting at the University of the Free State (UFS) honoured the top ten students in the third-year B.Com. and B.Com. Hons. programmes respectively during this week's autumn graduation ceremony. Here are, from the left: Prof. Ronell Britz, Chairperson of the centre, Nils Kotze, first place in the B.Com. third-year group, and Madri Victor, first place in the B.Com. Hons. group; back: Prof. Hentie van Wyk, Programme Director: Accountant Training.
Photo: Stephen Collett



Accounting firms in Free State help with recognition of top achievers
Accounting firms in the Free State have contributed to a fund at the University of the Free State’s (UFS) Centre for Accounting to give recognition to top achievers in the third-year programme for the B.Com. and B.Com Hons. degrees respectively this week. It is evidence of the good relationship that exists between the Centre and the South African Institute for Chartered Accountants (SAICA), Free State. Here, from the left, are: Mr Pieter Clase, CoetzeeSmit Chartered Accountants, Mr Oswald Wentworth, KPMG, Mr Ettienne van Niekerk, PricewaterhouseCoopers, Herman Leach, Gobodo Inc. Chartered Accountants, and Mr Stefan Strydom, Havenga, Rossouw & Viljoen; front: Mr Ian Smit, Enslins Bloemfontein, Ms Thelma Crossman, Mazars, and Ms Daphline O'Brien, Ernst & Young.
Photo: Stephen Collett

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20 April 2009
Faculty of Education, Faculty of the Humanities.



CHESD awards 15 masters degrees
A group of 15 students received the Structured M.A. (Higher Education Studies) of the Centre for Higher Education Studies and Development (CHESD) at this year’s autumn graduation ceremony of the University of the Free State (UFS). This is the biggest group in the centre's history to be awarded master’s degrees, while four of the students received distinctions. Also of interest is that six of the 15 students already have doctoral degrees. At the occasion were, from the left: Dr Dipane Hlalele, Qwaqwa Campus, Ms Liesl Hoare, Central Univeristy of Technology, Welkom Campus (best achiever), and Dr Fanus van Tonder, Programme Director: Higher Education Studies and Research, CHESD. Ms Hoare received the Deans medal in the Faculty of the Humanities as the best master’s graduate student at the graduation ceremony. At the faculty’s prize function she also received the Kovsie-Alumni Trust award as the best M.A student in the faculty. She also received the CHESD Prize for the best achievement in the Structured M.A. (Higher Education Studies).
Photo: Leonie Bolleurs



UFS awards degrees at autumn graduation ceremony
Five hundred and eighty six degrees and nine doctorates were awarded this week during this year's autumn graduation ceremony on the South Campus of the University of the Free State (UFS) to students in the Faculty of the Humanities. At the occasion were, from the left: Nicola Bekker, Madré van der Merwe and Esté Scholtz. All three the ladies received the qualification B.A. Language Practice.
Photo: Lacea Loader



This year’s autumn graduation ceremony of the University of the Free State (UFS) is held on the South Campus in Bloemfontein. Today a group of students from the Programme: Governance and Political Transformation in the Faculty of the Humanities received their qualification. From the left, front are: Dr Tania Coetzee, Head of the Programme: Governance and Political Transformation, and Mr Itumeleng Liba, Chief Operation Officer at CENTLEC; back: Mr Kennett Sinclair, Vice-Chairperson of COPE in the Northern Cape, Ms Nicole Joannou, Goldfields Business and Catering, and Mr Tembeni Lobe from Bloemfontein.
Photo: Lacea Loader



Some of the students who received their qualifications during this week's graduation ceremony of the Faculty of the Humanities were, from the left: Shu-Jung Chan, B.Mus. Hons., Brian Gxavu, B.Mus., and Mpolokeng Lepote, B.A. Media Studies.
Photo: Lacea Loader



UFS’s CHESD awards doctoral degree
Ms Mardi Delport (middle), Assistant Director: Media and Communications at the Central University of Technology received her Doctoral degree at this year’s autumn graduation ceremony of the University of the Free State (UFS). The title of her thesis is: “An internal communication model for the Central University of Technology, Free State as a multi-campus institution”. With her are her promoter Prof. Driekie Hay (left), Vice-Rector: Academic Planning, and her co-promoter, Prof. Annette Wilkinson (right) from the Centre for Higher Education Studies and Development (CHESD) at the UFS.
Photo: Leonie Bolleurs 

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