Dr. Jesse A. Leitner Profile

Dr. Jesse A. Leitner

Lead Eng, Distributed Sp Sys at NASA Goddard Space Flight Ctr

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Publications (8)

Proceedings Article | 26 August 2009 Paper

The New Worlds Observer: the astrophysics strategic mission concept study

Webster Cash, Stephen Kendrick, Charley Noecker, John Bally, Julia DeMarines, James Green, Phillip Oakley, Ann Shipley, Scott Benson, Steve Oleson, David Content, Dave Folta, Sharon Garrison, Keith Gendreau, Kate Hartman, Joseph Howard, Tupper Hyde, Darryl Lakins, Jesse Leitner, Douglas Leviton, Rich Luquette, Bill Oegerley, Karen Richon, Aki Roberge, Steve Tompkins, June Tveekrem, Bruce Woodgate, Margaret Turnbull, Dean Dailey, Kent Decker, Reza Dehmohseni, Brian Gaugh, Tiffany Glassman, Mickey Haney, Reem Hejal, Charles Lillie, Amy Lo, David O'Conner, Gina Oleas, Ronald Polidan, Rocco Samuele, Stephen Shields, James Shirvanian, David SooHoo, Giovanna Tinetti, Bryan Dorland, Rachel Dudik, Ralph Gaume, Brian Mason

Proceedings Volume 7436, 743606 (2009) https://doi.org/10.1117/12.827486

KEYWORDS: Planets, Telescopes, Space telescopes, Stars, Space operations, Exoplanets, Astrophysics, Edge roughness, Sensors, Planetary systems

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Proceedings Article | 20 September 2007 Paper

Formation flying system design for a planet-finding telescope-occulter system

Jesse Leitner

Proceedings Volume 6687, 66871D (2007) https://doi.org/10.1117/12.731626

KEYWORDS: Space telescopes, Space operations, Telescopes, Control systems, Navigation systems, Planets, Sensors, Telecommunications, Optical alignment, Optical instrument design

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Proceedings Article | 20 October 2004 Paper

A SPECS update: engineering and technology requirements for a space-based far-IR imaging interferometer

David Leisawitz, Ronald Allen, Charles Baker, Dominic Benford, Claudio Bombardelli, Michael DiPirro, Pascale Ehrenfreund, Neal Evans, Martin Harwit, Tristram Hyde, Antoine Labeyrie, Jesse Leitner, Alice Liu, Enrico Lorenzini, Richard Lyon, Anthony Martino, John Mather, Karl Menten, S. Harvey Moseley, Lee Mundy, Takao Nakagawa, Stanford Ollendorf, John Pearson, Dave Quinn, Stephen Rinehart, Juan Roman, Shobita Satyapal, Robert Silverberg, H. Philip Stahl, Mark Swain, Theodore Swanson, Wesley Traub, Edward Wright, Harold Yorke

Proceedings Volume 5491, (2004) https://doi.org/10.1117/12.552104

KEYWORDS: Space telescopes, Telescopes, Interferometers, Sensors, Interferometry, Mirrors, Spatial resolution, Infrared telescopes, Detector arrays, Beam splitters

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Proceedings Article | 12 October 2004 Paper

SPECS: the kilometer-baseline far-IR interferometer in NASA's space science roadmap

David Leisawitz, Tom Abel, Ronald Allen, Dominic Benford, Andrew Blain, Claudio Bombardelli, Daniela Calzetti, Michael DiPirro, Pascale Ehrenfreund, Neal Evans, Jacqueline Fischer, Martin Harwit, Tristram Hyde, Marc Kuchner, Jesse Leitner, Enrico Lorenzini, John Mather, Karl Menten, Samuel Moseley, Lee Mundy, Takao Nakagawa, David Neufeld, John Pearson, Stephen Rinehart, Juan Roman, Shobita Satyapal, Robert Silverberg, H. Philip Stahl, Mark Swain, Theodore Swanson, Wesley Traub, Edward Wright, Harold Yorke

Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.552150

KEYWORDS: Space telescopes, Telescopes, Interferometers, Galactic astronomy, Stars, Interferometry, Spatial resolution, Astronomy, Infrared telescopes, Planets

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Proceedings Article | 3 March 2003 Paper

UMBRAS: a matched occulter and telescope for imaging extrasolar planets

Alfred Schultz, Ian Jordan, Mark Kochte, Dorothy Fraquelli, Fred Bruhweiler, Jan Hollis, Kenneth Carpenter, Richard Lyon, Mike DiSanti, Cherie Miskey, Jesse Leitner, Richard Burns, Scott Starin, Melodi Rodrigue, M. Fadali, Dennis Skelton, Helen Hart, Forrest Hamilton, Kwang-Ping Cheng

Proceedings Volume 4860, (2003) https://doi.org/10.1117/12.457643

KEYWORDS: Space telescopes, Telescopes, Planets, Stars, Space operations, Exoplanets, Target acquisition, Diffraction, Point spread functions, Coronagraphy

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We describe a 1-meter space telescope plus free-flying occulter craft mission that would provide direct imaging and spectroscopic observations of Jovian and Uranus-sized planets about nearby stars not detectable by Doppler techniques. The Doppler technique is most sensitive for the detection of massive, close-in extrasolar planets while the use of a free-flying occulter would make it possible to image and study stellar systems with planets comparable to our own Solar System. Such a mission with a larger telescope has the potential to detect earth-like planets. Previous studies of free-flying occulters reported advantages in having the occulting spot outside the telescope compared to a classical coronagraph onboard a space telescope. Using an external occulter means light scatter within the telescope is reduced due to fewer internal obstructions and less light entering the telescope and the polishing tolerances of the primary mirror and the supporting optics can be less stringent, thereby providing higher contrast and fainter detection limits. In this concept, the occulting spot is positioned over the star by translating the occulter craft, at distances of 1,000 to 15,000 kms from the telescope, on the sky instead of by moving the telescope. Any source within the telescope field-of-view can be occulted without moving the telescope. In this paper, we present our current concept for a 1-m space telescope matched to a free-flying occulter, the Umbral Missions Blocking Radiating Astronomical Sources (UMBRAS) space mission. An UMBRAS space mission consists of a Solar Powered Ion Driven Eclipsing Rover (SPIDER) occulter craft and a matched (apodized) telescope. The occulter spacecraft would be semi-autonomous, with its own propulsion systems, internal power (solar cells), communications, and navigation capability. Spacecraft rendezvous and formation flying would be achieved with the aid of telescope imaging, RF or laser ranging, celestial navigation inputs, and formation control algorithms.

Proceedings Article | 26 February 2003 Paper

Requirements and options for a stable inertial frame for a 100-micro-arcsecond imaging telescope

Keith Gendreau, Jesse Leitner, Landis Markley, Webster Cash, Ann Shipley

Proceedings Volume 4852, (2003) https://doi.org/10.1117/12.460746

KEYWORDS: Stars, Space operations, Telescopes, Space telescopes, Sensors, Gyroscopes, Interferometers, X-rays, Photons, Target detection

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Proceedings Article | 26 February 2003 Paper

From monolithics to tethers to freeflyers: the spectrum of large-aperture sensing from space

Jesse Leitner, Dave Quinn, Mark Matsumura

Proceedings Volume 4852, (2003) https://doi.org/10.1117/12.460932

KEYWORDS: Space operations, Interferometry, Global Positioning System, Interferometers, Motion measurement, Actuators, Optical design, Aerospace engineering, Sensors, Mirrors

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Proceedings Article | 8 December 1998 Paper

Model inversion tracking control for UltraLITE using neural networks

Jesse Leitner, Keith Denoyer

Proceedings Volume 3430, (1998) https://doi.org/10.1117/12.332478

KEYWORDS: Neural networks, Control systems, Actuators, Analytical research, Space operations, Complex systems, Numerical simulations, Systems modeling, Sensors, Mirrors

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