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05 November 2024 | Story Leonie Bolleurs | Photo Supplied
BOOTES-6 telescope station
The BOOTES-6 telescope station captured a South African sighting of the southern lights, a rare atmospheric phenomenon powered by solar activity.

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

Kovsie Sportsman and Sportswoman of the Year
2011-10-19

 

Thuso Mpuang en Gabisile Hlumbane
Foto: Leonie Bolleurs

KovsieSport honoured its top achievers at a glamorous gala dinner in the Centenary Complex on our Bloemfontein Campus on 13 October 2011.

The KovsieSportsman and KovsieSportswoman of the year were Thuso Mpuang and Gabisile Hlumbane respectively.

Gabisile is a member of the Banyana Banyana National Soccer Team. The team obtained a bronze medal at the African Women’s Championships during October 2010, a gold medal at the Unity Cup Hosted during December 2010, a silver medal at the COSAFA Women’s Championship hosted during July 2011 and qualified for the London Olympics in 2012.

Thuso represented South Africa during the World Athletic Championships in Deague, Korea. He obtained the silver medal in the 200m during the World Student Games in Shenzhen, China and a gold medal as a member of the 4 x 100m relay team.

Pieter Rademan (rugby) and Karla Mostert (netball) were named as the Junior Sportman and Sportwoman of the year, respectively.

Other nominations for this year in the women’s category were:

  • Lesley Ann George (hockey) – Represented the Protea Women’s Hockey Team during the series against China, Belgium and Azerbajan. She was also a member of the Protea Women’s Hockey Team during the Champs Challenge in Ireland. The team finished fifth.
  • Nicole de Vries (hockey) – Represented the Protea Women’s Hockey Team during the series against China, Belgium and Azerbajan. She was also a member of the Protea Women’s Hockey Team during the Africa Cup in Bulawayo.  The team obtained a gold medal.
  • Hettie Oosthuizen (hockey) – Represented the Protea Women’s Hockey Team during the series against China, Belgium and Azerbajan.
  • Izelle Lategan (hockey) – Represented the Protea Women’s Hockey Team during the series against China, Belgium and Azerbajan.
  • Nicole Kemp (hockey) – Member of the Protea Women’s Hockey Team during the Africa Cup in Bulawayo. The team obtained a gold medal.
  • Nelmaré Loubser (triathlon) – Represented the SA Elite Team during the World Championships in Spain.
  • Janette Siebert (athletics) – Represented South Africa during the Southern Africa Championships in Maputo, Mozambique.
  • Elsabe le Roux (karate) – Member of Protea JKA Shotokan Karate team that participated in the Africa Zone 6 Championships in Maputo where she obtained a gold and silver medal.

Other nominations for this year in the men’s category were:

  • Boy Soke (athletics) - Represented South Africa during the Africa Cross Country Championships in Cape Town. He also represented South Africa during the World Cross Country Championships in China.
  • Boom Prinsloo (rugby) – He represented the Springboks in the HSBC Sevens World Series 2010 – 2011.
  • Bruno Schwalbach (karate) – Member of the Protea JKA Shotokan Karate team that participated in the Africa Zone 6 Championships in Maputo where he obtained two gold medals. He was also a member of the Protea JKA Shotokan Karate team that participated in the Common Wealth Karate Championship in Australia where he obtained one silver and two bronze medals. He was a member of the Protea JKA Shotokan Karate team that participated in the All Africa Games in Maputo Mozambique where he obtained a bronze medal.
  • Paul Rodrigues (squash) – He represented the South African U/ 23 team at the All Africa Squash Championships in Johannesburg.
  • Balungile Nchofe (karate) – He was a member of Protea JKA Shotokan Karate team that participated in the Africa Zone 6 Championship in Maputo where he obtained a gold medal.
     

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