The wide-field infrared transient explorer (WINTER)

被引:18
作者
Lourie, Nathan P. [1 ]
Baker, John W. [3 ]
Burruss, Richard S. [3 ]
Egan, Mark D. [1 ]
Furesz, Gabor [1 ]
Frostig, Danielle [1 ,2 ]
Garcia-Zych, Allan A. [1 ]
Ganciu, Nicolae [3 ]
Haworth, Kari [1 ]
Hinrichsen, Erik [1 ]
Kasliwal, Mansi M. [3 ]
Karambelkar, Viraj R. [3 ]
Malonis, Andrew [1 ]
Simcoe, Robert A. [1 ,2 ]
Zolkower, Jeffry N. [4 ]
机构
[1] MIT, MIT Kavli Ctr Astrophys & Space Res, 77 Massachusetts Ave, Cambridge, MA 02139 USA
[2] MIT, Dept Phys, 77 Massachusetts Ave, Cambridge, MA 02139 USA
[3] CALTECH, Div Phys Math & Astron, 1200 E Calif Blvd,Mail Code 249-17, Pasadena, CA 91125 USA
[4] CALTECH, Caltech Opt Observ, 1200 E Calif Blvd,Mail Code 11-17, Pasadena, CA 91125 USA
来源
GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VIII | 2020年 / 11447卷
基金
美国国家科学基金会;
关键词
WINTER; time-domain; infrared; LIGO; multi-messenger; wide-field; InGaAs detectors; robotic telescopes; kilonova;
D O I
10.1117/12.2561210
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
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.
引用
收藏
页数:14
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