A high resolution multi-object spectrograph for the VLT: pre-concept design

Anna Brucalassi; Andrea Tozzi; Ernesto Oliva; Oscar Gonzalez; Sofia Randich; Gayandhi de Silva; Eline Tolstoy; Andrea Bianco; Matteo Genoni; Giorgio Pariani; Jon Lawrence; Thomas Bensby; Vanessa Hill; Rob Jeffries; Nadege Lagarde; Laura Magrini; Rodolfo Smiljanic; Asa Skuladöttir

doi:10.1117/12.2629654

29 August 2022 A high resolution multi-object spectrograph for the VLT: pre-concept design

Anna Brucalassi, Andrea Tozzi, Ernesto Oliva, Oscar Gonzalez, Sofia Randich, Gayandhi de Silva, Eline Tolstoy, Andrea Bianco, Matteo Genoni, Giorgio Pariani, Jon Lawrence, Thomas Bensby, Vanessa Hill, Rob Jeffries, Nadege Lagarde, Laura Magrini, Rodolfo Smiljanic, Asa Skuladöttir

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 121841A (2022) https://doi.org/10.1117/12.2629654
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

Following the idea originally proposed during the ESO-Workshop The Very Large Telescope in 2030, the concept of a high resolution spectrograph for the VLT has been further explored, both for the science and technological aspects. Such an instrument will fill a gap in capabilities amongst the landscape of future instrumentation planned for the next decade. Its key characteristic will be high spectral resolution (R = 60000-80000) with multi-object (50-100) capabilities and, possibly, a stability that would provide high radial velocity precision (∼10m/s). In this work, we describe the science cases and driving science requirements for the instrument. Furthermore we will present some design solutions and technical options considered to meet these requirements.

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Anna Brucalassi, Andrea Tozzi, Ernesto Oliva, Oscar Gonzalez, Sofia Randich, Gayandhi de Silva, Eline Tolstoy, Andrea Bianco, Matteo Genoni, Giorgio Pariani, Jon Lawrence, Thomas Bensby, Vanessa Hill, Rob Jeffries, Nadege Lagarde, Laura Magrini, Rodolfo Smiljanic, and Asa Skuladöttir "A high resolution multi-object spectrograph for the VLT: pre-concept design", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 121841A (29 August 2022); https://doi.org/10.1117/12.2629654

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