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31 to 40 of 2,222 Results
Dec 14, 2020
Zhou, Hanying; Krist, John; Seo, Byoung-Joon; Kern, Brian; Cady, Eric; Poberezhskiy, Ilya, 2020, "ROMAN CGI Testbed WFSC Modeling and Validation", https://hdl.handle.net/2014/53286, VIRTUAL SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
Optical diffraction and wavefront sensing and control (WFSC) models validated against the high-fidelity Roman Space Telescope Coronagraph Instrument (CGI) testbed play a key role in mask design selection and the verification of many requirements that cannot be accomplished until...
Dec 14, 2020
Andolfato, L.; Karban, R., 2020, "Goal-Oriented Architecture for Telescope Control Software", https://hdl.handle.net/2014/53313, SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
Modern telescope control systems control a multitude of sensors and actuators physically distributed across subsystems. Traditionally, control systems are specified to compute system outputs based on reference setpoints despite environmental or internal disturbances. The control...
Dec 14, 2020
Mennesson, Bertrand; Gaudi, Scott; Seager, Sara; Kiessling, Alina; Warfield, Keith, 2020, "The Habitable Exoplanet Observatory (HabE) Mission Concept", https://hdl.handle.net/2014/53318, SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
The Habitable Exoplanet Observatory (HabEx), was one of four candidate flagship missions studied in detail by NASA, which were submitted for consideration to the 2020 Decadal Survey in Astronomy and Astrophysics for possible launch in the 2030s. For the first time in human histor...
Dec 14, 2020
Ygouf, Marie, 2020, "The Roman Coronagraph Instrument (CGI)", https://hdl.handle.net/2014/53362, VIRTUAL SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
No abstract provided
Dec 14, 2020
Daimaru, Takuro, 2020, "Thermal Design of Mars 2020 Rover Sampling and Caching Subsystem and R&D for Future Missions", https://hdl.handle.net/2014/53410, VIRTUAL Space Navigation Dynamics Symposium, Pasadena, California, December 14-15, 2020, JPL Open Repository
No abstract provided
Dec 14, 2020
Meeker, Seth R; Truong, Tuan N.; Roberts, Jennifer E.; Shelton, J. Chris; Fregoso, S. Felipe; Burruss, Rick S.; Dekany, Richard G.; Wallace, J. Kent; Baker, John W.; Heffner, Carolyn M.; Mawet, Dimitri; Rykoski, Kevin M.; Tesch, Jonathan A.; Vasisht, Gautam, 2020, "Design and performance of the PALM-3000 3.5 kHz upgrade", https://hdl.handle.net/2014/53363, VIRTUAL SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
No abstract provided
Dec 14, 2020
Bendek, Eduardo A; Noyes, Matthew; Flores, Catalina; Belikov, Ruslan; Sirbu, Dan; Mejia-Prada, Camilo; Tuthill, Peter; Guyon, Olivier, 2020, "Status of NASA’s stellar astrometry testbeds for exoplanet detection: Science and technology overview", https://hdl.handle.net/2014/54270, VIRTUAL SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
Accurate measurement of exoplanetary masses is a critical step in addressing key aspects of NASA's science vision. Measuring masses of Earth-analogs around FGK stars out to 10 pc requires sub-microarcsecond astrometric accuracy, which is not within the capabilities of current ins...
Dec 14, 2020
Suselj, Kay, 2020, "Improving the representation of subtropical boundary layer clouds in the NASA GEOS model with the Eddy-Di usivity/Mass-Flux parameterization", https://doi.org/10.48577/jpl.ZTAM0B, Monthly Weather Review, JPL Open Repository
A systematic underestimation of subtropical planetary boundary layer (PBL) stratocumulusclouds by the GEOS model has been signicantly improved by a new Eddy-Diusivity/Mass-Flux (EDMF) parameterization. The EDMF parameterization representsthe subgrid-scale transport in the dry an...
Dec 14, 2020
Weisberg, Carey L; Colavita, Mark; Nissly, Carl; Seo, Byoung-Joon; Troy, Mitchell, 2020, "Improved Prediction of Thirty Meter Telescope Segment Warping Harness Correction via Use of Experimental Data", https://hdl.handle.net/2014/53359, SPIE Astronomical Telescopes & Instrumentation, Pasadena, California, December 14-18, 2020, JPL Open Repository
No abstract provided
Dec 14, 2020
Mennesson, Bertrand; Gaudi, Scott; Seager, Sara; Kiessling, Alina; Warfield, Keith, 2020, "Exploring New Worlds - Understanding our Universe", https://hdl.handle.net/2014/53321, VIRTUAL SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
No abstract provided
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