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The new instrument created by the MaxE team will be a spectrograph optimised for high-efficiency transient identification. It will be mounted as a red-arm of the Robert Stobie Spectrograph on the Southern African Large Telescope (SALT) located in Sutherland, South Africa.

The South African Astronomical Observatory (SAAO) located in Sutherland where SALT is hosted has some of the darkest skies in the world.

Introduction

As part of the Generation 1.5 instrumentation package at the SAAO, a high-efficiency spectrograph is to be designed and built for Southern African Large Telescope (SALT).

The new spectrograph, built by the Maximum-Efficiency (MaxE) team will support the SALT strategic plan by accommodating the expected increase in transient science based on external triggers coming in from external radio and survey telescopes such as MeerKAT and LSST, among others.

The MaxE project was begun in early 2019 as part of the NRF/SALT Strategic Instrumentation Initiative, with a combined team from SALT, SAAO, and SARAO. Both the optical design of the spectrograph and the detector package will be developed in-house to leverage SAAO’s existing instrument building capacity and expertise.