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Andrew Schnell
Researcher at Marshall Space Flight Center
Publications - 15
Citations - 187
Andrew Schnell is an academic researcher from Marshall Space Flight Center. The author has contributed to research in topics: Propulsion & Telescope. The author has an hindex of 6, co-authored 15 publications receiving 162 citations.
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Proceedings ArticleDOI
The X-Ray Surveyor Mission: A Concept Study
Jessica A. Gaskin,Martin C. Weisskopf,Alexey Vikhlinin,Harvey Tananbaum,Simon R. Bandler,Marshall W. Bautz,David N. Burrows,Abraham D. Falcone,Fiona A. Harrison,Ralf K. Heilmann,Sebastian Heinz,Randall C. Hopkins,Caroline A. Kilbourne,Chryssa Kouveliotou,Ralph P. Kraft,Andrey V. Kravtsov,Randall L. McEntaffer,Priyamvada Natarajan,Stephen L. O'Dell,Robert Petre,Zachary Prieskorn,Andrew Ptak,Brian D. Ramsey,Paul B. Reid,Andrew Schnell,Daniel A. Schwartz,Leisa K. Townsley +26 more
TL;DR: The X-ray Surveyor (X-S) as discussed by the authors is a large-scale mission with a high-resolution mirror assembly and an instrument set, which may include an x-ray microcalorimeter, a highdefinition imager, and a dispersive grating spectrometer and its readout.
Proceedings ArticleDOI
Lynx Mission Concept Status
Jessica A. Gaskin,Ryan Allured,Simon R. Bandler,S. Basso,Marshall W. Bautz,Michael Baysinger,Michael P. Biskach,Tyrone M. Boswell,Peter Capizzo,Kai Wing Chan,Marta Civitani,Lester M. Cohen,Vincenzo Cotroneo,Jacqueline M. Davis,Casey T. DeRoo,Michael J. Dipirro,A. Domínguez,Leo L. Fabisinski,A. Falcone,Enectali Figueroa-Feliciano,Jay Garcia,Karen Gelmis,Ralf K. Heilmann,Ralf K. Heilmann,Randall C. Hopkins,Thomas N. Jackson,Kiranmayee Kilaru,R. P. Kraft,Tianning Liu,R. S. McClelland,Randy L. McEntaffer,Kevin S. McCarley,John A. Mulqueen,Feryal Özel,Giovanni Pareschi,P. Reid,Raul E. Riveros,Mitchell A. Rodriguez,Justin W. Rowe,Timo T. Saha,Mark L. Schattenburg,Andrew Schnell,Daniel A. Schwartz,Peter M. Solly,Robert M. Suggs,Steven Sutherlin,Douglas A. Swartz,Susan Trolier-McKinstry,James H. Tutt,Alexey Vikhlinin,Julian Walker,Wonsik Yoon,William W. Zhang +52 more
TL;DR: Lynx as discussed by the authors is a concept under study for prioritization in the 2020 Astrophysics Decadal Survey, which will examine the first black holes and their galaxies, map the large-scale structure and galactic halos, and shed new light on the environments of young stars and their planetary systems.
Journal ArticleDOI
Designing astrophysics missions for NASA's Space Launch System
H. Philip Stahl,Randall C. Hopkins,Andrew Schnell,David A. Smith,Angela Jackman,Keith Warfield +5 more
TL;DR: The Space Launch System (SLS) as mentioned in this paper was designed to deliver 35 to 45mt of payload to Sun-Earth-Lagrange-2 (SLEIMA).
Proceedings ArticleDOI
Large Observatory for X-ray Timing (LOFT-P): A Probe-Class Mission Concept Study
Colleen A. Wilson-Hodge,Paul S. Ray,Deepto Chakrabarty,Marco Feroci,Laura Alvarez,Michael Baysinger,Chris Becker,Enrico Bozzo,Søren Brandt,Billy Carson,Jack Chapman,A. Domínguez,Leo Fabisinski,Bert Gangl,Jay Garcia,Christopher Griffith,Margarita Hernanz,Robert Hickman,Randall C. Hopkins,Michelle Hui,Luster Ingram,P. A. Jenke,S. Korpela,Thomas J. Maccarone,M. Michalska,Martin Pohl,Andrea Santangelo,Stéphane Schanne,Andrew Schnell,Luigi Stella,Michiel van der Klis,Anna L. Watts,Berend Winter,Silvia Zane +33 more
TL;DR: LOFT-P is a mission concept for a NASA Astrophysics Probe-Class (less than $1B) X-ray timing mission, based on the LOFT M-class concept originally proposed to ESA's M3 and M4 calls as discussed by the authors.
Proceedings ArticleDOI
A Densified Liquid Methane Delivery System for the Altair Ascent Stage
TL;DR: In this article, a trade study has been conducted to determine the preferred method of producing, loading, and maintaining the subcooled, densified liquid methane onboard Altair from a ground operations perspective.