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BOOTES-6 Telescope Station captures rare southern lights and advances UFS space research

05 November 2024 | Story Leonie Bolleurs | Photo Supplied

The northern lights, with their vibrant displays of green, pink, and violet hues, have become a famous attraction in Nordic countries. But in early October, a rare sighting of the southern lights – or aurora australis – was reported in South Africa, surprising many.

Prof Pieter Meintjes, Professor in the Department of Physics at the University of the Free State (UFS), explains that both the northern and southern lights are the result of charged particles from coronal mass ejections (CMEs) on the sun, which are captured by Earth’s magnetic field. "The interaction between magnetic fields and charged particles, such as protons and electrons, is very interesting. The magnetic field forces these particles to spiral around the field lines, ultimately guiding them towards the magnetic poles. As these particles enter Earth’s atmosphere, they collide with atmospheric atoms, causing a beautiful glow. The colours of the aurora indicate which atoms are involved. Typically, hydrogen shines red, while oxygen and nitrogen produce a greenish-blue tinge," he says.

Observing the southern lights

When the display occurs above the northern magnetic pole, it is called the aurora borealis (northern lights) and can typically be observed over regions such as Alaska, Greenland, and the Nordic countries. Above the southern magnetic pole, it is known as aurora australis (southern lights), usually visible over places such as Antarctica and New Zealand. “In extreme cases – when gigantic mass ejections occurred – it can also be observed in mid-latitudes such as South Africa,” says Prof Meintjes.

This recent and rare South African sighting was also captured by the BOOTES-6 telescope station at Boyden Observatory, located just outside Bloemfontein. According to Prof Meintjes, the telescope station has an all-sky monitor – a camera constantly watching the sky for changes and monitoring, among others, cloud cover to ensure that the telescope is always safe from weather. While the monitor was taking photos of the night sky, Prof Alberto Castro-Tirado, a research professor at the Institute of Astrophysics of Andalusia in Spain, picked up the aurora.

The Institute of Astrophysics of Andalusia in Spain, in collaboration with the University College Dublin (UCD), is partnering with the UFS in a research-driven initiative involving the BOOTES-6 telescope station, installed in 2022 during the COVID-19 pandemic. Under a Memorandum of Understanding that was recently renewed for another five years, the UFS and UCD share approximately 30% of the telescope's observing time dedicated to UFS research.

“The DPRT telescope (Dolores Pérez-Ramírez telescope), named after a Spanish astronomer and lecturer at the University of Jaén, contributes significantly to our research, with publications resulting from contributions made by the telescope station and collaborators on gamma-ray bursts, occultations, and transient events co-authored by me and a colleague in the department, Dr Hendrik van Heerden,” notes Prof Meintjes.

Research-driven initiatives

Data from the telescope station is also used for their in-house projects and contributes significantly to the work of their PhD students that will be submitted in the next few years. This includes the PhD work of Helene Szegedi, who uses data from the BOOTES-6 telescope station to study cataclysmic variable systems – compact binaries that erupt regularly. Another PhD student, Joleen Barnard, studies blazar variability under the guidance of Prof Brian van Soelen. Blazars, explains Prof Meintjes, are the core of distant galaxies powered by supermassive black holes. These cosmic jets are pointed towards Earth, but fortunately, they are millions or billions of light years away; otherwise, their impact would be devastating to life on Earth.

News Archive

UFS breakthrough on SRC

2005-06-10

The Council of the University of the Free State (UFS) today unanimously approved the establishment of a Central Student Representative Council (CSRC) to ensure the democratic participation of students at its three campuses in the governance of the university.

In a major breakthrough and transformation step for student governance, the Central SRC will include representatives of the main campus in Bloemfontein, the Vista campus and the Qwaqwa campus of the UFS.

The establishment of the Central SRC follows the incorporation of the Qwaqwa campus into the UFS in January 2003 and the incorporation of the Vista campus in Bloemfontein into the UFS in January 2004.

According to Dr Ezekiel Moraka, Vice-Rector: Student Affairs, today’s decision of Council is the result of a lengthy, negotiated agreement between the three campuses. Independent experts facilitated part of the process.

With the establishment of a Central SRC, the UFS has adopted a federal student governance model whereby the CSRC is the highest representative student body on matters of common concern for all students.

However, the three campuses of the UFS will retain autonomous SRC structures for each campus with powers and responsibilities for matters affecting the particular campus.

This arrangement will be reviewed after a year to make allowance for the phasing out of students at the Vista campus, as was agreed in the negotiations preceding the incorporation of that campus into the UFS.

The central SRC will have a maximum of 12 members made up of members of the campus SRCs, including the presidents of these three SRCs. In total, the main campus will have 5 representatives, the Qwaqwa campus will have 4 representatives and the Vista campus will have 3 representatives.

From these 12 members a central SRC president will be chosen on a quarterly basis to represent the general student body at Executive Management, Senate and Council.

In another key decision and significant step forward affecting student governance, the Council also approved amendments the constitution of the Student Representative Council (SRC) of the main campus. These amendments were the results of deliberations of student organizations, the SRC and the Student Parliament of the UFS main campus.

The amendments to the constitution of the main campus SRC determines that nine of the 18 SRC members must be elected by means of proportional representation and nine on the basis of an individual, first-past-the-post election.

This decision comes in the wake of calls by certain student organizations on main campus for proportional representation to be included as a means of electing student representatives.

The following portfolios of the main campus SRC will be contested by individual candidates on the basis of first past the post:

president
secretary
academic affairs
legal and constitutional affairs
student development
arts and culture
men’s internal liaison
ladies internal liaison
media, marketing and liaison

The following nine portfolios will be contested by affiliated organizations on a proportional representation basis.

two vice-presidents
treasurerdialogue and associations
transformation
campus affairs and recreation
sport
international affairs
community service

It also is a breakthrough to have all constitutional changes processed and approved at the June meeting of the Council, with all relevant student organizations having been part of the process and accepting the outcome of the process.

According to the chairperson of the UFS Council, Judge Faan Hancke, today’s unanimous decisions on student governance are an indication of how all UFS stakeholders represented in Council are committed to finding win-win solutions in the interest of the university.

“Once again the UFS has reached another milestone in its transformation and has shown the rest of the country that we are pioneers in the field of reaching intelligent solutions to complex situations,” Judge Hancke said.

According to Dr Moraka, the central SRC constitution will come into effect from the start of the second semester this year.

MEDIA RELEASE

Issued by: Lacea Loader
    Media Representative
    Tel: (051) 401-2584
    Cell: 083 645 2454
     E-mail: loaderl.stg@mail.uovs.ac.za

10 June 2005

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