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A Giant Stellar Void in the Milky Way

2 August 2016
An artist's impression of the implied distribution of young stars, represented here by Cepheids shown as red points plotted on the background of a drawing of the Milky Way. With the exception of a small clump in the Galactic centre, the central 8000 light years appear to have very few Cepheids, and hence very few young stars.

A major revision is required in our understanding of our Milky Way Galaxy according to an international team led by Prof Noriyuki Matsunaga of the University of Tokyo. The Japanese, South African and Italian astronomers find that there is a huge region …

SALT tests a high accuracy and high precision calibration ruler for its High Resolution Spectrograph

30 May 2016
Laser Frequency Comb

Since last week, the Southern African Large Telescope (SALT) in Sutherland has been testing a Laser Frequency Comb, which is a calibration device that uses powerful lasers and photonic crystal fibres to produce the equivalent of a ruler that is both ex …

A Sutherland robotic telescope spots an extrasolar planet

18 May 2016
KELT-South

A Sutherland based robotic telescope KELT-South spotted an extrasolar planet KELT-10b during its routine observations. KELT-South (Kilodegree Extremely Little Telescope – South) is dedicated to the search of transiting planets orbiting especially brigh …