Kan Yang

The Accretion Explorer Interferometer (AEI) Phase I NASA Innovative Advanced Concepts Final Report

Kimberly A. Weaver, Jenna M. Cann, Kenneth G. Carpenter, Maurice A. Leutenegger et autres

We must create superb X-ray images to understand the detailed physical processes behind some of the most powerful astronomical objects. The need to achieve this capability has been known for decades. But as time proceeds, X-ray astronomy falls further behind other wavebands …

AstroDOME: Standardized, Mass-Produceable, Small NASA Astrophysics Observatories for Big Missions

Matthew Marcus, Kan Yang, Brad Cenko, Robert T. Caffrey et autres

NASA's Goddard Space Flight Center is investigating the use of small, commercial off the shelf (COTS) spacecraft to enable breakthrough astrophysics research at radically reduced cost over previous generations of missions. This paper will focus on the Mission Systems perspective of this …

us (code pays fourni par la source)

Thermal Design for the New Era of Lunar Instruments: Lessons Learned from NASA Goddard Space Flight Center’s Instrument Design Laboratory

Kan Yang, Michael K. Choi, David E. Steinfeld, Brian P. Ottens et autres

As NASA enters the Age of Artemis, the resurgence of interest in the Moon has not only contributed to rapid development of crewed vehicles and habitats, it has also inspired a design renaissance for robotic and astronaut-deployed instrumentation for the lunar surface. …

us, ru (code pays fourni par la source)

Fast Obstacle Avoidance Path Generation Algorithm for Multi-Target Point Coverage Traversal

Pengpeng Guo, Chaoyi Sun, Kan Yang, Qing Li

Obstacle avoidance path planning with multi-target point coverage traversal has high computational complexity and long solution time, in this paper, the problem of generating the initial obstacle avoidance coverage path is decomposed into two subproblems of covering point generation and covering point …

cn (code pays fourni par la source)

NASA’s PACE Ocean Color Instrument Thermal Design Evolution: from Goddard’s Instrument Design Lab Through Flight Development

Kan Yang, Deepak Patel, Wes Ousley

NASA’s Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission, set to launch in 2024, seeks to provide data continuity for the ocean color, aerosol and cloud measurements acquired by NASA’s on-orbit Earth Science observatories since the 1990s. It will accomplish this through its …

us (code pays fourni par la source)

Optical instrument thermal control on the Large Ultraviolet/Optical/Infrared Surveyor

Kan Yang, Matthew R. Bolcar, Julie A. Crooke, Jason E. Hylan et autres

The Large Ultraviolet/Optical/Infrared Surveyor (LUVOIR) is a multi-wavelength observatory commissioned by NASA as one of four large mission concept studies for the Astro2020 Decadal Survey. Two concepts are under study which bound a range of cost, risk, and scientific return: an 8-meter …

us (code pays fourni par la source)

Overview of the optomechanical design of the LUVOIR instruments

James A. Corsetti, Matthew R. Bolcar, Julie A. Crooke, Brian Fleming et autres

The Large Ultraviolet/Optical/Infrared Surveyor (LUVOIR) is a large-scale space telescope being submitted for review to the 2020 Decadal Survey in Astronomy and Astrophysics. Its science objectives include both direct imaging and spectral characterization of habitable exoplanets around sun-like stars, the study of …

us (code pays fourni par la source)

The Large UV/Optical/Infrared Surveyor Decadal Mission Concept Thermal System Architecture

Kan Yang, Matthew R. Bolcar, Jason E. Hylan, Julie A. Crooke et autres

Kan Yang, National Aeronautics and Space Administration (NASA), USA

us (code pays fourni par la source)

The Large UV/Optical/lnfrared Surveyor (LUVOIR): Decadal Mission Concept Study Update

Jason E. Hylan, Matthew R. Bolcar, Julie A. Crooke, Ginger Bronke et autres

In preparation for the 2020 Decadal Survey in Astronomy and Astrophysics, NASA commissioned the study of four large mission concepts: the Large UV/Optical/Infrared Surveyor (LUVOIR), the Habitable Exoplanet Imager (HabEx), the far-infrared surveyor Origins Space Telescope (OST), and the X-ray surveyor Lynx. …

us (code pays fourni par la source)

LUVOIR Thermal Architecture Overview and Enabling Technologies for Picometer-Scale WFE Stability

Sang Chan Park, Michael J. Eisenhower, Matthew R. Bolcar, Marcel Bluth et autres

The Large UV/Optical/IR Surveyor (LUVOIR) is one of four Astro2020 Decadal Survey Missions, a concept for `flag-ship' class space-borne observatory, operating across the multi-wavelength UV/Optical/NIR spectra. An Optical Telescope concept being considered is the segmented primary mirror architecture with composite backplane structure. …

us (code pays fourni par la source)

James Webb Space Telescope Optical Telescope Element / Integrated Science Instrument Module (OTIS) Cryogenic Vacuum Test Part I: Thermal Architecture

Kan Yang

The James Webb Space Telescope (JWST), set to launch in early 2019, is currently undergoing a series of system-level environmental tests to verify its workmanship and end-to-end functionality. As part of this series, the Optical Telescope Element and Integrated Science Instrument Module …

us (code pays fourni par la source)

James Webb Space Telescope (JWST) optical telescope element and integrated science instrument module (OTIS) cryogenic test program and results

Lee D. Feinberg, Randy A. Kimble, Mark F. Voyton, Juli A. Lander et autres

In 2017, the James Webb Space Telescope Optical Telescope Element and Integrated Science Instrument Module (OTIS) underwent cryogenic optical testing at the Johnson Space Center. In this paper, we summarize the successful execution and results of this 100-day test, which was a …

us (code pays fourni par la source)