Spector: integration and performance of the multi-object spectrograph for the Anglo-Australian Telescope

Ross Zhelem; Julia Bryant; Joss Bland-Hawthorn; Rebecca Brown; Robert Content; Scott Croom; Tony Farrell; Michael Goodwin; Ellen Houston; Urs Klauser; Jon Lawrence; Slavko Mali; Rolf Muller; Richard Mcdermid; Helen McGregor; Mahesh Mohanan; Barnaby Norris; Naveen Pai; David Robertson; Will Saunders; Lew Waller; Adeline Wang; Jessica Zheng

doi:10.1117/12.2629649

29 August 2022 Spector: integration and performance of the multi-object spectrograph for the Anglo-Australian Telescope

Ross Zhelem, Julia Bryant, Joss Bland-Hawthorn, Rebecca Brown, Robert Content, Scott Croom, Tony Farrell, Michael Goodwin, Ellen Houston, Urs Klauser, Jon Lawrence, Slavko Mali, Rolf Muller, Richard Mcdermid, Helen McGregor, Mahesh Mohanan, Barnaby Norris, Naveen Pai, David Robertson, Will Saunders, Lew Waller, Adeline Wang, Jessica Zheng

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 1218475 (2022) https://doi.org/10.1117/12.2629649
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

The Hector instrument was installed at the Anglo-Australian Telescope in December 2021 and received the first light. It consists of three major subsystems, namely, the positioner, spectrograph and optical cable. Spector is the new spectrograph with an average spectral resolution of R=4500 designed for hexabundles, the fiber integral field units. Details of the integration and testing of the spectrograph optics are presented here. Each assembled subsystem was interferometrically checked for wavefront quality. The system spectral performance was fine tuned using a test fiber slit to achieve required resolution across the field of view. The absolute transmittance of the spectrograph bulk optics was measured in both blue and red channels.

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Ross Zhelem, Julia Bryant, Joss Bland-Hawthorn, Rebecca Brown, Robert Content, Scott Croom, Tony Farrell, Michael Goodwin, Ellen Houston, Urs Klauser, Jon Lawrence, Slavko Mali, Rolf Muller, Richard Mcdermid, Helen McGregor, Mahesh Mohanan, Barnaby Norris, Naveen Pai, David Robertson, Will Saunders, Lew Waller, Adeline Wang, and Jessica Zheng "Spector: integration and performance of the multi-object spectrograph for the Anglo-Australian Telescope", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 1218475 (29 August 2022); https://doi.org/10.1117/12.2629649

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