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13 December 2020 The wide-field infrared transient explorer (WINTER)
Nathan P. Lourie, John W. Baker, Richard S. Burruss, Mark Egan, Gábor Fűrész, Danielle Frostig, Allan A. Garcia-Zych, Nicolae Ganciu, Kari Haworth, Erik Hinrichsen, Mansi M. Kasliwal, Viraj R. Karambelkar, Andrew Malonis, Robert A. Simcoe, Jeffry Zolkower
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Conference Poster
Abstract
The Wide-Field Infrared Transient Explorer (WINTER) is a new infrared time-domain survey instrument which will be deployed on a dedicated 1 meter robotic telescope at the Palomar Observatory. WINTER will perform a seeing-limited time domain survey of the infrared (IR) sky, with a particular emphasis on identifying r -process material in binary neutron star (BNS) merger remnants detected by LIGO. We describe the scientific goals and survey design of the WINTER instrument. With a dedicated trigger and the ability to map the full LIGO O4 positional error contour in the IR to a distance of 190 Mpc within four hours, WINTER will be a powerful kilonova discovery engine and tool for multi-messenger astrophysics investigations. In addition to follow-up observations of merging binaries, WINTER will facilitate a wide range of time-domain astronomical observations, all the while building up a deep coadded image of the static infrared sky suitable for survey science. WINTER’s custom camera features six commercial large-format Indium Gallium Arsenide (InGaAs) sensors and a tiled optical system which covers a <1-square-degree field of view with 90% fill factor. The instrument observes in Y, J and a short-H (Hs) band tuned to the long-wave cutoff of the InGaAs sensors, covering a wavelength range from 0.9 – 1.7 microns. We present the design of the WINTER instrument and current progress towards final integration at the Palomar Observatory and commissioning planned for mid-2021.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Nathan P. Lourie, John W. Baker, Richard S. Burruss, Mark Egan, Gábor Fűrész, Danielle Frostig, Allan A. Garcia-Zych, Nicolae Ganciu, Kari Haworth, Erik Hinrichsen, Mansi M. Kasliwal, Viraj R. Karambelkar, Andrew Malonis, Robert A. Simcoe, and Jeffry Zolkower "The wide-field infrared transient explorer (WINTER)", Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 114479K (13 December 2020); https://doi.org/10.1117/12.2561210
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Cited by 1 scholarly publication.
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KEYWORDS
Infrared radiation

Infrared telescopes

Indium gallium arsenide

Cameras

LIGO

Observatories

Sensors

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