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Title: Astrophysics with new horizons: making the most of a generational opportunity
Authors: Zemcov, Michael
Arcavi, Iair
Arendt, Richard
Bachelet, Etienne
Ranga Ram Chary
Cooray, Asantha
Dragomir, Diana
Conn Henry, Richard
Lisse, Carey
Matsuura, Shuji
Murthy, J
Nguyen, Chi
Poppe, Andrew R
Street, Rachel
Werner, Michael
Keywords: Cosmic background radiation – diffuse radiation – Kuiper Belt;General – planets and satellites;Detection – space vehicles – ultraviolet;ISM
Issue Date: Nov-2018
Publisher: IOP Publishing
Citation: Publications of the Astronomical Society of the Pacific, Vol. 130, No. 993, 115001
Abstract: The outer solar system provides a unique, quiet vantage point from which to observe the universe around us, where measurements could enable several niche astrophysical science cases that are too difficult to perform near Earth. NASA's New Horizons mission comprises an instrument package that provides imaging capability from ultraviolet (UV) to near-infrared (near-IR) wavelengths with moderate spectral resolution located beyond the orbit of Pluto. A carefully designed survey with New Horizons can optimize the use of expendable propellant and the limited data telemetry bandwidth to allow several measurements, including a detailed understanding of the cosmic extragalactic background light; studies of the local and extragalactic UV background; measurements of the properties of dust and ice in the outer solar system; confirmation and characterization of transiting exoplanets; determinations of the mass of dark objects using gravitational microlensing; and rapid follow-up of transient events. New Horizons is currently in an extended mission designed to focused on Kuiper Belt science that will conclude in 2021. The astrophysics community has a unique, generational opportunity to use this mission for astronomical observation at heliocentric distances beyond 50 au in the next decade. In this paper, we discuss the potential science cases for such an extended mission, and provide an initial assessment of the most important operational requirements and observation strategies it would require. We conclude that New Horizons is capable of transformative science, and that it would make a valuable and unique asset for astrophysical science that is unlikely to be replicated in the near future.
Description: Restricted Access
ISSN: 0004-6280
???metadata.dc.rights???: © The Astronomical Society of the Pacific
Appears in Collections:IIAP Publications

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