Dr. Ann M. Parsons Profile

Dr. Ann M. Parsons

Astrophysicist at NASA Goddard Space Flight Ctr

SPIE Involvement:

Author

Publications (21)

SPIE Journal Paper | 28 October 2014 Open Access

Scintillation properties of strontium iodide doped with europium for high-energy astrophysical detectors: nonproportionality as a function of temperature and at high gamma-ray energies

Rose Schmitt Perea, Ann Parsons, Michael Groza, David Caudel, Suzanne Nowicki, Arnold Burger, Keivan Stassun, Todd Peterson

JATIS, Vol. 1, Issue 01, 016002, (October 2014) https://doi.org/10.1117/12.10.1117/1.JATIS.1.1.016002

KEYWORDS: Scintillators, Sensors, Gamma radiation, Scintillation, Europium, Strontium, Astronomical detectors, Crystals, Sodium, Excitons

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Proceedings Article | 25 September 2012 Paper

Development of a quasi-monoenergetic 6 MeV gamma facility

Suzanne Nowicki, Stanley Hunter, Julia Bodnarik, Michael Dion, Ann Parsons, Jeffrey Schweitzer, Seunghee Son

Proceedings Volume 8443, 844337 (2012) https://doi.org/10.1117/12.925473

KEYWORDS: Gamma radiation, Sensors, Telescopes, Space telescopes, Planetary science, Astrophysics, Calibration, Soil science, Spatial resolution, Polarization

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Proceedings Article | 3 February 2004 Paper

SWIFT/BAT calibration and the estimated BAT hard x-ray survey sensitivity

Ann Parsons, Jack Tueller, Hans Krimm, Scott Barthelmy, James Cummings, Craig Markwardt, Derek Hullinger, Neil Gehrels, Ed Fenimore, David Palmer, Goro Sato, Kazuhiro Nakazawa, Tadayuki Takahashi, Shin Watanabe, Yuu Okada, Hiromitsu Takahashi, Masaya Suzuki, Makoto Tashiro

Proceedings Volume 5165, (2004) https://doi.org/10.1117/12.506309

KEYWORDS: Sensors, Hard x-rays, Calibration, Gamma radiation, Monte Carlo methods, Error analysis, X-ray telescopes, Coded apertures, Space telescopes, X-rays

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Proceedings Article | 20 January 2004 Paper

Burst Alert Telescope (BAT) instrument response generation

Derek Hullinger, Ann Parsons, Goro Sato

Proceedings Volume 5198, (2004) https://doi.org/10.1117/12.506439

KEYWORDS: Sensors, Gamma radiation, Space telescopes, Telescopes, Calibration, Electrons, Detector arrays, Data modeling, Coded apertures, X-ray optics

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Proceedings Article | 20 January 2004 Paper

Properties of CdZnTe detectors in the Burst Alert Telescope (BAT) array

Goro Sato, Tadayuki Takahashi, Kazuhiro Nakazawa, Shin Watanabe, Makoto Tashiro, Masaya Suzuki, Yu Okada, Hiromitsu Takahashi, Ann Parsons, Jack Tueller, Hans Krimm, Scott Barthelmy, Jay Cummings, Craig Markwardt, Derek Hullinger, Neil Gehrels, Edward Fenimore, David Palmer, Anthony Dean, Dave Willis

Proceedings Volume 5198, (2004) https://doi.org/10.1117/12.506460

KEYWORDS: Sensors, Electrons, Calibration, Telescopes, Gamma radiation, Space telescopes, Satellites, Imaging spectroscopy, Photomasks, Databases

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Proceedings Article | 22 October 1999 Paper

Technology development for the Constellation-X hard-x-ray telescope

Fiona Harrison, Walter Cook, Finn Christensen, Oberto Citterio, William Craig, Neil Gehrels, Paul Gorenstein, Jonathan Grindlay, Charles Hailey, Richard Kroeger, Hideyo Kunieda, Giovanni Pareschi, Ann Parsons, Robert Petre, Suzanne Romaine, Brian Ramsey, Jack Tueller, Melville Ulmer, Martin Weisskopf, David Windt

Proceedings Volume 3765, (1999) https://doi.org/10.1117/12.366492

KEYWORDS: Sensors, Mirrors, Hard x-rays, Reflectivity, Glasses, Nickel, X-ray optics, X-ray telescopes, Multilayers, X-rays

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Proceedings Article | 19 October 1999 Paper

Correlation between bulk material defects and spectroscopic response in cadmium zinc telluride detectors

Bradford Parker, Carl Stahle, Scott Barthelmy, Ann Parsons, Jack Tueller, J. VanSant, B. Munoz, S. Snodgrass, R. Mullinix

Proceedings Volume 3768, (1999) https://doi.org/10.1117/12.366576

KEYWORDS: Sensors, X-rays, Semiconducting wafers, Spectroscopy, Infrared imaging, Tellurium, Sensor performance, Image transmission, Photons, Collimators

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Proceedings Article | 15 October 1997 Paper

Arc-second source positions with a prototype BASIS imaging system

David Palmer, Ann Parsons, Peter Kurczynski, Louis Barbier, Scott Barthelmy, Lyle Bartlett, Edward Fenimore, Neil Gehrels, John Krizmanic, Derrick Mancini, Carl Stahle, Jack Tueller, Bonnard Teegarden

Proceedings Volume 3114, (1997) https://doi.org/10.1117/12.283784

KEYWORDS: Sensors, Gamma radiation, Imaging systems, Prototyping, Photomasks, Space operations, Coded apertures, Space telescopes, Telescopes, Image resolution

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Proceedings Article | 15 October 1997 Paper

Position resolution performance of prototype segmented CdZnTe arrays

Ann Parsons, David Palmer, Peter Kurczynski, Louis Barbier, Scott Barthelmy, Lyle Bartlett, Neil Gehrels, John Krizmanic, Carl Stahle, Jack Tueller, Bonnard Teegarden

Proceedings Volume 3114, (1997) https://doi.org/10.1117/12.283778

KEYWORDS: Sensors, Prototyping, Detector arrays, Gamma radiation, Imaging systems, Photomasks, Image segmentation, Imaging arrays, Space telescopes, Electronics

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Proceedings Article | 18 October 1996 Paper

CdZnTe background measurements at balloon altitudes

Ann Parsons, Scott Barthelmy, Lyle Bartlett, F. Birsa, Neil Gehrels, Juan Naya, James Odom, S. Singh, Carl Stahle, Jack Tueller, Bonnard Teegarden

Proceedings Volume 2806, (1996) https://doi.org/10.1117/12.254015

KEYWORDS: Sensors, Crystals, Germanium, Hard x-rays, Gamma radiation, Photons, Astronomy, Space operations, Collimators, Monte Carlo methods

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Proceedings Article | 18 October 1996 Paper

CdZnTe strip detectors for astrophysical arc second imaging and spectroscopy: detector performance and radiation effects

Lyle Bartlett, Carl Stahle, David Palmer, Louis Barbier, Scott Barthelmy, F. Birsa, Neil Gehrels, John Krizmanic, Peter Kurczynski, James Odom, Ann Parsons, Carol Sappington, Peter Shu, Bonnard Teegarden, Jack Tueller

Proceedings Volume 2806, (1996) https://doi.org/10.1117/12.254023

KEYWORDS: Sensors, Imaging spectroscopy, Electronics, Radiation effects, Spectroscopy, Gamma radiation, Sensor performance, Electrons, Resistance, Image sensors

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Proceedings Article | 18 October 1996 Paper

Improved gamma-ray burst detector using a Compton telescope technique

William Paciesas, Geoffrey Pendleton, Michael Briggs, John Horack, Charles Meegan, Ann Parsons, Mark Finger

Proceedings Volume 2806, (1996) https://doi.org/10.1117/12.254012

KEYWORDS: Sensors, Silicon, Photons, Gamma radiation, Telescopes, Compton scattering, Scattering, Space telescopes, Collimation, Absorption

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Proceedings Article | 18 October 1996 Paper

BASIS mission concept for gamma-ray burst imaging and spectroscopy

Neil Gehrels, Bonnard Teegarden, Louis Barbier, Scott Barthelmy, Lyle Bartlett, Thomas Cline, Edward Fenimore, Gerald Fishman, Kevin Hurley, John Krizmanic, Chryssa Kouveliotou, M. Leventhal, Dan McCammon, Jay Norris, David Palmer, Ann Parsons, William Paciesas, Wilton Sanders, Bradley Schaefer, Carl Stahle, Jack Tueller, J. van Paradijs, Stanford Woosley

Proceedings Volume 2806, (1996) https://doi.org/10.1117/12.253983

KEYWORDS: Sensors, Gamma radiation, Imaging spectroscopy, Spectroscopy, Spatial resolution, Absorption, Hard x-rays, Galactic astronomy, Photomasks, X-rays

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Proceedings Article | 12 October 1996 Paper

Hard x-ray telescope mission

Paul Gorenstein, D. Worrall, Karsten Joensen, Suzanne Romaine, Martin Weisskopf, Brian Ramsey, James Bilbro, Richard Kroeger, Neil Gehrels, Ann Parsons, Robert Smither, Finn Christensen, Oberto Citterio, Peter von Ballmoos

Proceedings Volume 2807, (1996) https://doi.org/10.1117/12.255094

KEYWORDS: Sensors, Space telescopes, Crystals, X-ray telescopes, Mirrors, Telescopes, Hard x-rays, Multilayers, Spatial resolution, X-rays

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Proceedings Article | 19 July 1996 Paper

CdZnTe strip detector for arcsecond imaging and spectroscopy

Carl Stahle, Ann Parsons, Lyle Bartlett, Peter Kurczynski, John Krizmanic, Louis Barbier, Scott Barthelmy, F. Birsa, Neil Gehrels, James Odom, David Palmer, Carol Sappington, Peter Shu, Bonnard Teegarden, Jack Tueller

Proceedings Volume 2859, (1996) https://doi.org/10.1117/12.245125

KEYWORDS: Sensors, Imaging spectroscopy, Capacitance, Electronics, Gamma radiation, Photons, Spectroscopy, Detector arrays, Resistance, Aerospace engineering

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Proceedings Article | 19 July 1996 Paper

Radiation damage and activation of CdZnTe by intermediate energy neutrons

Lyle Bartlett, Carl Stahle, Peter Shu, Louis Barbier, Scott Barthelmy, Neil Gehrels, John Krizmanic, Peter Kurczynski, David Palmer, Ann Parsons, Bonnard Teegarden, Jack Tueller

Proceedings Volume 2859, (1996) https://doi.org/10.1117/12.245137

KEYWORDS: Sensors, Annealing, Calibration, Space operations, Cadmium, Environmental sensing, Spectral resolution, Particles, Sensor performance, Error analysis

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Proceedings Article | 1 September 1995 Paper

Next-generation x-ray observatory

Nicholas White, Robert Petre, E. Boldt, Stephen Holt, Peter Serlemitsos, F. Marshall, Caroline Stahle, Richard Kelley, Keith Arnaud, Andrew Szymkowiak, Richard Mushotzky, Yang Soong, Neil Gehrels, Ann Parsons, Keith Jahoda, Jean Swank, T. Kallman, K. Mukai, Stephen Drake, I. George

Proceedings Volume 2518, (1995) https://doi.org/10.1117/12.218404

KEYWORDS: X-rays, Sensors, Iron, Spectral resolution, Spectrometers, Mirrors, Hard x-rays, Telescopes, Spatial resolution, X-ray telescopes

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Proceedings Article | 1 September 1995 Paper

BASIS: a new gamma-ray burst imaging and spectroscopy mission concept

Bonnard Teegarden, Neil Gehrels, Edward Fenimore, Louis Barbier, Thomas Cline, Ann Parsons, Jack Tueller, John Krizmanic, Scott Barthelmy, David Palmer, Gerald Fishman, Chryssa Kouveliotou, Kevin Hurley, William Paciesas, J. van Paradijs, M. Leventhal, Stanford Woosley, Dan McCammon, Wilton Sanders, Barbara Schaefer, Lyle Bartlett, Casey Lisse, Carl Stahle

Proceedings Volume 2518, (1995) https://doi.org/10.1117/12.218376

KEYWORDS: Sensors, Imaging spectroscopy, Spectroscopy, Gamma radiation, Spatial resolution, Space operations, Collimators, Absorption, Hard x-rays, Galactic astronomy

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Proceedings Article | 21 September 1994 Paper

Room temperature semiconductor detectors for hard x-ray astrophysics

Ann Parsons, Carl Stahle, Casey Lisse, R. Sachidananda Babu, Neil Gehrels, Bonnard Teegarden, Peter Shu

Proceedings Volume 2305, (1994) https://doi.org/10.1117/12.187260

KEYWORDS: Sensors, Electronics, Hard x-rays, Semiconductors, Astrophysics, Temperature metrology, Zinc, Capacitance, Cadmium, X-rays

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Proceedings Article | 16 September 1994 Paper

Progress on the Scintillation Imaging Gas-filled Hard X-ray Telescope (SIGHT)

Timothy Edberg, Steven Boggs, Ann Parsons, Bernard Sadoulet, Paul Shestople, R. Therrien, Shimon Weiss, Jeff Wilkerson, Garth Smith

Proceedings Volume 2280, (1994) https://doi.org/10.1117/12.186827

KEYWORDS: Scintillation, Xenon, Optical fibers, Sensors, Calibration, Hard x-rays, Ultraviolet radiation, Quantum efficiency, Scintillation imaging, Photons

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Proceedings Article | 22 December 1992 Paper

Gamma-ray astronomy using a high-pressure gas scintillation drift chamber with a waveshifting fiber readout

Jeff Wilkerson, Timothy Edberg, Ann Parsons, Bernard Sadoulet, Shimon Weiss, Garth Smith

Proceedings Volume 1734, (1992) https://doi.org/10.1117/12.142559

KEYWORDS: Scintillation, Sensors, Xenon, Telescopes, Signal attenuation, Hard x-rays, Space telescopes, Gamma radiation, Spatial resolution, X-ray telescopes

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