South African Astronomical Observatory

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The latest in South African astronomy

by Tomasz Nowakowski   Using the Southern African Large Telescope (SALT), astronomers have conducted spectroscopic and imaging observations of the planetary nebula WR 72. They discovered hydrogen-poor knots in the central part of the nebula, which could be helpful in improving knowledge about the nature......

Scientists using the MeerKAT radio telescope and the Southern African Large Telescope have combined forces for the first time to discover and identify a unique and previously-unseen flare of radio emission from a binary star in our Galaxy....

Astronomers using the Southern African Large Telescope (SALT), have measured the rotation of some of the largest spiral galaxies, spinning at up to 570 kilometres per second! Their rapid spin is a result of sitting within an extraordinarily massive cloud, or halo, of dark matter – invisible matter detectable only through its gravity. The largest “super spiral” studied here resides in a dark matter halo weighing at least 40 trillion times the mass of our Sun....

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Open Night: Do not go gentle into that good night

Mar 14 @ 8:00 pm - 10:00 pm

Members of the public are welcome to an Open Night at the SAAO in Cape Town on 14 March 2020, starting at 20h00. Dr. Iniyan Natarajan (Rhodes University/SARAO) will present a talk titled Do not go gentle into that good night. This will be followed by a tour of the site and (weather permitting) star gazing.

The dark side of galaxies

Mar 28 @ 8:00 pm - 10:30 pm

Overview Members of the public are welcome to an Open Night at the SAAO in Cape Town on 28 March 2020, starting at 20h00. Dr. Amidou Sorgho (UCT/OAD) will present a talk titled The dark side of galaxies. This will be followed by a tour…

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