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UFS geared up to be a leading astronomical research institution

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.

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.

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 agreement on staff salary adjustment of 7.5%

2011-11-10

At this year's salary negotiations were from the left, front: Mr Lourens Geyer, Director: Human Resources; Ms Ronel van der Walt, Manager: Labour Relations; Ms Tobeka Mehlomakulu, Vice Chairperson: NEHAWU; Prof. Johan Grobbelaar, convener of the salary negotiations; back: Mr Ruben Gouws, Vice Chairperson of UVPERSU, Ms Esta Knoetze, Vice Chairperson of UVPERSU, Mr David Mocwana, fultime shopsteward for NEHAWU; Mr Daniel Sepeame, Chairperson of NEHAWU, Prof. Nicky Morgan, Vice-Rector: Operations; Prof. Jonathan Jansen, Vice-Chancellor and Rector of the UFS; Ms Mamokete Ratsoane, Deputy Director: Human Resources and Ms Anita Lombard, Chief Executive Officer: UVPERSU.

Photo: Leonie Bolleurs

Salary adjustment of 7,5%

The University of the Free State’s (UFS) management and trade unions have agreed on a general salary adjustment of 7,5% for 2012.

The negotiating parties agreed that adjustments could vary proportionally from a minimum of 7,3% to a maximum of 8,5%, depending on the government subsidy and the model forecasts.

The service benefits of staff will be adjusted to 9,82% for 2012. This is according to the estimated government subsidy that will be received in 2012.

UVPERSU and NEHAWU sign

The agreement was signed (today) Tuesday 8 November 2011 by representatives of the university’s senior leadership and the trade unions UVPERSU and NEHAWU.

R2 500 bonus

An additional once-off, non-pensionable bonus of R2 500 will also be paid to staff with their December 2011 salary payment. The bonus will be paid to all staff members who were in the employment of the university on UFS conditions of service on 31 December 2011 and who assumed duties before 1 October 2011. The bonus is payable in recognition of the role played by staff during the year to promote the UFS as a university of excellence and as confirmation of the role and effectiveness of the remuneration model.

It is the intention to pass the maximum benefit possible on to staff without exceeding the limits of financial sustainability of the institution. For this reason, the negotiating parties reaffirmed their commitment to the Multiple-year, Income-related Remuneration Improvement Model used as a framework for negotiations. The model and its applications are unique and have as a point of departure that the UFS must be and remains financially sustainable.

Capacity building and structural adjustments

Agreement was reached that 1,54% will be allocated for growth in capacity building to ensure that provision is made for the growth of the UFS over the last few years. A further 0,78% will be allocated to structural adjustments.

Agreement about additional matters such as funeral loans was also reached.

“The Mutual Forum is particularly pleased that a general salary adjustment of 7,5 % could be negotiated for 2012. Taken into account the world financial downturn, marked cuts in university subsidies and the growth of the university, this is a remarkable achievement,” says Prof. Johan Grobbelaar, Chairperson of the Mutual Negotiation Forum.

Increase for Professors, Deputy and Assistant Directors

According to Prof. Grobbelaar the Mutual Forum is also pleased that Professors and Deputy and Assistant Directors will benefit from the structural adjustments. These increases will align the positions with the median of the higher education market. The 1,54% allocated for growth will ensure that appointments can be made where the needs are the highest. The special year-end bonus of R2 500 is an early Christmas gift and implies that the employees in lower salary categories receive an effective increase of almost 9,5 %.

“The UFS is in a unique position when it comes to salary negotiations, because the funding model developed more than a decade ago, has stood the test of time and ensured that the staff receive the maximum possible benefits. Of particular note is the fact that the two majority unions (UVPERSU and NEHAWU) work together. The mutual trust between the unions and management is an example of how large organisations can function to reach specific goals and staff harmony,” says Prof. Grobbelaar.

The implementation date for the salary adjustment is 1 January 2012. The adjustment will be calculated on the total remuneration package.

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