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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

Important message to UFS students on NSFAS and financial aid in general
2013-02-01

31 January 2013

Dear Students

There remains some uncertainty as well as misinformation within the student body concerning NSFAS and financial aid in general. This communication is intended to provide the facts on the state of student funding at the University of the Free State (UFS). I hope you find this information helpful and that it would guide you in your decisions as you wait to hear from, or hopefully receive funding from NSFAS or any other source.

  1. Every year the Department of Higher Education and Training (DHET) determines how much funding is available to fund students at all universities in South Africa; this is determined in part by the student numbers. Universities do not ask for, or determine the DHET allocation and are instructed by government that “NSFAS will ensure that the universities comply with the processes, procedures…for the allocated funds.”

  2. On 14 December 2012 the UFS received notice from the DHET that our total allocation would be R108,331,215.66 and that this amount must be apportioned in the following categories:
    General NSFAS Funding R85,174,275.07
    Teacher Training R2,291,940.59
    Disability Funding R1,265,000.00
    Final-Year Programme R19,600,000.00

  3. The UFS received 5 952 applications for NSFAS funding and with the available funding we can only finance up to 3 000 students on the Qwaqwa and Bloemfontein Campuses, provided that those students satisfy the stringent criteria, e.g. the so-called “national means test” determined for all universities in the country. If we funded more students that the available monies allow, the university would be held accountable by the NSFAS Board and the DHET and this would threaten future funding.

  4. Students apply in the previous year and therefore late applications are less likely to receive funding.

  5. Academic merit also counts, therefore students who fail one or more modules are less likely to receive new or ongoing support from NSFAS. The combination of academic standing and financial need are among the important criteria in decision-making on NSFAS funds.

  6. The UFS is one of the few universities with a very efficient record in using every cent made available to support poor students; we are proud of this record. No money is sent back to NSFAS, except small amounts not claimed by students in the disability category. The university is not allowed to shift funds between categories as described in point #2 above.

  7. Allocations are not based on campus, but need.

  8. The UFS sets aside an additional R35,7 million (in 2013) from within its own budget as bursaries so that we can accommodate as many students as possible. We spend every cent of this funding on students.

  9. The UFS also raises millions in bursaries from the private sector to support poor and promising students, though these funds are often linked to the industry granting the money, e.g. Investec for Accounting students and SASOL for Chemistry students. This recruitment of bursaries is a 24/7 commitment of the Marketing Office and the Faculties and Heads of Departments are also active in raising funds from government agencies, parastatals and the private sector for students in their units.

  10. After almost all our 2013 funds were allocated in favour of students, we calculated a shortfall in the NSFAS allocation of approximately R51 million. We are in the process of making an urgent submission to NSFAS to consider this additional allocation, but we cannot guarantee that this plea can or will be met.

Finally, I want all our students to know that the University of the Free State works very hard to raise every cent we can to provide poor students with funding for their studies. Many of my colleagues, including support staff, who do not earn very much, use some of their meagre personal resources to help a student with money for registration or clothing or food. In fact, the No Student Hungry Campaign that raises more than R600,000 by UFS volunteers annually, is another mechanism for trying to assist students who might have money for studies, but not much else.

We do this because we care, and because this is what The Human Project at Kovsies is all about.

I therefore ask for your patience as we continue our labour of raising the funds that enable every deserving student to continue their studies at the University of the Free State.

Should you have any further questions about NSFAS, please leave an email inquiry on choanet@ufs.ac.za or mallettca@ufs.ac.za and we will endeavour to provide you with the information you require.

Sincerely Yours

Jonathan D Jansen
Vice-Chancellor and Rector
University of the Free State

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