VIRUS-2 for the Harlan J. Smith telescope of the McDonald Observatory

Hanshin Lee; Gary J. Hill; Brian L. Vattiat; Jason Ramsey; John Good; Niv Drory

doi:10.1117/12.2314128

11 July 2018 VIRUS-2 for the Harlan J. Smith telescope of the McDonald Observatory

Hanshin Lee, Gary J. Hill, Brian L. Vattiat, Jason Ramsey, John Good, Niv Drory

Proceedings Volume 10702, Ground-based and Airborne Instrumentation for Astronomy VII; 107028E (2018) https://doi.org/10.1117/12.2314128
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

The VIRUS2 Instrument is the next generation replicated integral field spectrograph for the 2.7m Harlan J. Smith Telescope at the McDonald Observatory. The instrument extends the technological advances from VIRUS and HET LRS-2 instruments to offer higher spectral resolution of R<2000 over a broader wavelength coverage from 370nm to 1000nm and a larger sky area of 2 arcmin diameter in a single shot with spatial sampling of 2.6 arcsec. The instrument also utilizes fiber integral field units (IFUs) coupled with micro-focal reducers to offer nearly 100% fill-factor on sky. VIRUS2 is the successor of the Mitchell Spectrograph (aka. VIRUS-P) on the HJST. T ere is also a potential for its scientific use on the Giant Magellan Telescope as an early phase instrument.

Citation Download Citation

Hanshin Lee, Gary J. Hill, Brian L. Vattiat, Jason Ramsey, John Good, and Niv Drory "VIRUS-2 for the Harlan J. Smith telescope of the McDonald Observatory", Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107028E (11 July 2018); https://doi.org/10.1117/12.2314128

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