Liger at W.M. Keck Observatory: overall design and fabrication status

Shelley A. Wright; Tucker Jones; James Larkin; Renate Kupke; Marc Kassis; Aaron Brown; Lee Armus; Maren Cosens; Devin Chu; Tuan Do; Chris Fassnacht; Deanne Fisher; Michael Fitzgerald; Andrea Ghez; Jenny Greene; Aurelien Hees; Theodara Karalidi; Patrick Kelly; Evan Kirby; Evan Kress; Chris Johnson; Jessica Lu; Ken Magnone; Jerome Maire; Mark Marley; Anne Medling; Rosalie McGurk; Max Millar-Blanchaer; Quinn Minor; Anna Nierenberg; Naveen Reddy; Jean-Baptiste Ruffio; David Sand; Ryan Sanders; Karin Sandstrom; Alice Shapley; Ji-Man Sohn; Arun Surya; Tommaso Treu; Eric Wang; Michael Wong; James Wiley; Sherry Yeh

doi:10.1117/12.3020803

19 July 2024 Liger at W.M. Keck Observatory: overall design and fabrication status

Shelley A. Wright, Tucker Jones, James Larkin, Renate Kupke, Marc Kassis, Aaron Brown, Lee Armus, Maren Cosens, Devin Chu, Tuan Do, Chris Fassnacht, Deanne Fisher, Michael Fitzgerald, Andrea Ghez, Jenny Greene, Aurelien Hees, Theodara Karalidi, Patrick Kelly, Evan Kirby, Evan Kress, Chris Johnson, Jessica Lu, Ken Magnone, Jerome Maire, Mark Marley, Anne Medling, Rosalie McGurk, Max Millar-Blanchaer, Quinn Minor, Anna Nierenberg, Naveen Reddy, Jean-Baptiste Ruffio, David Sand, Ryan Sanders, Karin Sandstrom, Alice Shapley, Ji-Man Sohn, Arun Surya, Tommaso Treu, Eric Wang, Michael Wong, James Wiley, Sherry Yeh

Author Affiliations +

Proceedings Volume 13096, Ground-based and Airborne Instrumentation for Astronomy X; 130960G (2024) https://doi.org/10.1117/12.3020803
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

We present the overall design, fabrication status, and key science drivers of the next-generation W. M. Keck Observatory Adaptive Optics (AO) near-infrared (0.8 - 2.45 micron) integral field spectrograph (IFS) and imaging camera, named Liger. The Liger team has completed its Final Design Phase and entered the Fabrication phase. Liger offers excellent sensitivity with significant improvements in wavelength coverage enabling a broad range of new science. Liger will provide unique capabilities with higher resolution spectroscopy (R=4000 - 10,000), extending to bluer wavelengths (< 1 micron), and a larger field of view than other AO-fed IFS. We will present the status of the program, fabrication efforts, and focus on the most challenging aspects of the design and execution of the instrument.

Conference Presentation

Citation Download Citation

Shelley A. Wright, Tucker Jones, James Larkin, Renate Kupke, Marc Kassis, Aaron Brown, Lee Armus, Maren Cosens, Devin Chu, Tuan Do, Chris Fassnacht, Deanne Fisher, Michael Fitzgerald, Andrea Ghez, Jenny Greene, Aurelien Hees, Theodara Karalidi, Patrick Kelly, Evan Kirby, Evan Kress, Chris Johnson, Jessica Lu, Ken Magnone, Jerome Maire, Mark Marley, Anne Medling, Rosalie McGurk, Max Millar-Blanchaer, Quinn Minor, Anna Nierenberg, Naveen Reddy, Jean-Baptiste Ruffio, David Sand, Ryan Sanders, Karin Sandstrom, Alice Shapley, Ji-Man Sohn, Arun Surya, Tommaso Treu, Eric Wang, Michael Wong, James Wiley, and Sherry Yeh "Liger at W.M. Keck Observatory: overall design and fabrication status", Proc. SPIE 13096, Ground-based and Airborne Instrumentation for Astronomy X, 130960G (19 July 2024); https://doi.org/10.1117/12.3020803

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