41 to 50 of 2,222 Results
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
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
McKeithen, Dylan; Shaklan, Stuart; Martin, Stefan; Lowe, Eric; Sheikh, David, 2020, "Broadband Characterization of Anti-reflection Coated Starshade Optical Edges for Solar Glint Control", https://hdl.handle.net/2014/53304, SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
A starshade is a large flower-shaped screen designed to enable the direct imaging of exoplanets with a space telescope. The starshade perimeter is composed of sharp, precisely shaped edges to minimize the glint of sunlight into the telescope. Past work has focused on bare edges t... |
Dec 14, 2020
Kurtza, Stanley E.; Stander, Tinus; de Villiers, Dirk I. L.; Cerfonteyn, William; de Witt, Aletha; Ferrusca Rodrıquez, Daniel; Hiriart, David; Hughes, David H.; Jacobs, Christopher; Loinard, Laurent; van den Heever, Fanie; Velazquez de la Rosa Becerra, Miguel, 2020, "The Potential for a K-Band Receiver on the Large Millimeter Telescope", https://hdl.handle.net/2014/53303, SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
The 50-meter Large Millimeter Telescope (LMT) operating on the Sierra Negra in Mexico is the largest single- dish millimeter-wave telescope in the world. Although designed to work in the 3 mm and 1 mm bands, there is significant potential for LMT observations at centimeter wavele... |
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
Meeker, Seth R.; Truonga, 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/2014/53317, SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
PALM-3000 (P3K), the second-generation adaptive optics (AO) instrument for the 5.1 meter Hale telescope atPalomar Observatory, was released as a facility class instrument in October 2011 and has since been used on-skyfor over 600 nights as a workhorse science instrument and testb... |
Dec 14, 2020
Crill, Brendan; Werner, Michael; Akeson, Rachel; Ashby, Matthew; Bleem, Lindsey; Bock, James J.; Bryan, Sean; Chang, Tzu-Ching; Cooray, Asantha; Dore, Olivier; Dowell, C. Darren; Dubois-Felsmann, Gregory; Eifler, Tim; Habib, Salman; Heinrich, Chen; Heitmann, Katrin; Hemmati, Shoubaneh; Heaton, Grigory; Hirata, Christopher; Hui, Howard; Jeong, Woong-Seob; Kang, Jae Hwan; Kirkpatrick, J. Davy; Korngute, Phillip M.; Krauseh, Elisabeth; Lissek, Carey; Mauskopff, Philip; Mastersb, Daniel; Melnick, Gary; Nguyen, Hien; Nayyeri, Hooshang; Oberg, Karin; Padin, Steve; Paladini, Roberta; Pourrahmani, Milad; Pyo, Jyeonghyung; Smith, Roger; Song, Yong-Seon; Symons, Teresa; Teplitz, Harry; Tolls, Volker; Unwin, Stephen; Windhorstf, Rogier; Yanj, Yujin; Zemcov, Michael, 2020, "SPHEREx: NASA’s Near-Infrared Spectrophotmetric All-Sky Survey", https://hdl.handle.net/2014/53288, VIRTUAL SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
SPHEREx, the Spectro-Photometer for the History of the Universe, Epoch of Reionization, and ices Explorer, isa NASA MIDEX mission planned for launch in 2024. SPHEREx will carry out the first all-sky spectral survey at wavelengths between 0.75μm and 5μm with spectral resolving pow... |
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
Marx, David; Kerna, Brian; Krista, John; Balasubramaniana, Bala; Riggsa, A. J. Eldorado; Cadya, Eric; Seoa, Byoung-Joon; Tanga, Hong; Pradaa, Camilo; Ruanea, Garreth; Shia, Fang; Noeckera, Charley; Crowther, Blake, 2020, "Prediction and Evaluation of the Image of the WFIRST Coronagraph Pupil at the Shaped-Pupil Mask", https://hdl.handle.net/2014/53301, SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
To create a high contrast field of view with a shaped pupil coronagraph (SPC), the telescope pupil is imaged onto the shaped pupil mask, the shaped pupil mask is designed and fabricated through a design optimization based on a given pupil wavefront, and deformable mirrors (DM) in... |
Dec 14, 2020
Martin, Stefan; Lawrence, Charles; Redding, David; Rodgers, Michael; Hurd, Kevin; Jewell, Jeffrey; Morgan, Rhonda; Phillips, Charles; Pineda, Claudia; Mennesson, Bertrand; Steeves, John, 2020, "ATSA- A Cold, Active Telescope for Space Astronomy", https://hdl.handle.net/2014/53298, SPIE Astronomical Telescopes + Instrumentation 2020, San Diego, California, December 14-18, 2020, JPL Open Repository
The National Academies’ Decadal Survey telescope studies have produced mission design concepts that plotpathways into the future to follow on from Hubble, Spitzer, JWST and NGRST. Considering the results of theLUVOIR and HabEx studies in particular, it is clear that segmented mir... |
