Dr. Andrew F. Ptak
at NASA Goddard Space Flight Ctr
SPIE Involvement:
Conference Program Committee | Author
Publications (23)

Proceedings Article | 21 August 2024 Presentation + Paper
Randall Smith, Jon Arenberg, Marshall Bautz, Ehud Behar, Dolon Bhattacharyya, Jay Bookbinder, Joel Bregman, Laura Brenneman, Nancy Brickhouse, G. Esra Bulbul, Vadim Burwitz, Joseph Bushman, Peter Cheimets, Elisa Costantini, Casey Deroo, Benjamin Donovan, Abraham Falcone, Brian Fleming, Adam Foster, Kevin France, Peter Friedrich, Luigi Gallo, Catherine Grant, H. Moritz Günther, Daryl Haggard, Ralf Heilmann, Sarah Heine, Butler Hine, David Huenemoerder, Jelle Kaastra, Igor Kreykenbohm, Sibasish Laha, Pamela Marcum, Herman Marshall, Randall McEntaffer, Missagh Mehdipour, Eric Miller, Jon Miller, Kirpal Nandra, Nicholas Nell, Michael Nowak, Frits Paerels, Katya Poppenhaeger, Andrew Ptak, Agata Rozanska, Jenna Samra, Jeremy Sanders, Mark Schattenburg, Norbert Schulz, Leroy Mark Sparr, Pasquale Temi, Todd Tripp, Lynne Valencic, Joern Wilms, Stephen Walker, David Wilson, Scott Wolk
Proceedings Volume 13093, 1309326 (2024) https://doi.org/10.1117/12.3022452
KEYWORDS: X-rays, Ultraviolet radiation, Spectroscopy, Galactic astronomy, Stars, Physics, Data modeling, Absorption, Solar processes, Metals

Proceedings Article | 21 August 2024 Presentation + Paper
Proceedings Volume 13093, 1309328 (2024) https://doi.org/10.1117/12.3022993
KEYWORDS: X-rays, Point spread functions, Physics, Stars, Galactic astronomy, X-ray astronomy, Galaxy groups and clusters, X-ray imaging, Space operations, X-ray sources

Proceedings Article | 5 October 2023 Presentation + Paper
Eric Miller, Marshall Bautz, Catherine Grant, Richard Foster, Beverly LaMarr, Andrew Malonis, Gregory Prigozhin, Benjamin Schneider, Christopher Leitz, Sven Herrmann, Steven Allen, Tanmoy Chattopadhyay, Peter Orel, Glenn Morris, Haley Stueber, Abraham Falcone, Andrew Ptak, Christopher Reynolds
Proceedings Volume 12678, 1267816 (2023) https://doi.org/10.1117/12.2676838
KEYWORDS: Charge-coupled devices, X-rays, Cameras, Design and modelling, Spectral response, Simulations, Astrophysics

Proceedings Article | 5 October 2023 Poster + Paper
Proceedings Volume 12678, 126781D (2023) https://doi.org/10.1117/12.2677455
KEYWORDS: Ultraviolet radiation, Equipment, Charge-coupled devices, X-rays, Spectral resolution, Optical gratings, Simulations, Vignetting, Dispersion

Proceedings Article | 5 October 2023 Poster + Paper
Christopher Reynolds, Erin Kara, Richard Mushotzky, Andrew Ptak, Michael Koss, Brian Williams, Steven Allen, Franz Bauer, Marshall Bautz, Arash Bogadhee, Kevin Burdge, Nico Cappelluti, Brad Cenko, George Chartas, Kai-Wing Chan, Lía Corrales, Tansu Daylan, Abraham Falcone, Adi Foord, Catherine Grant, Mélanie Habouzit, Daryl Haggard, Sven Herrmann, Edmund Hodges-Kluck, Oleg Kargaltsev, George King, Marina Kounkel, Laura Lopez, Stefano Marchesi, Michael McDonald, Eileen Meyer, Eric Miller, Melania Nynka, Takashi Okajima, Fabio Pacucci, Helen Russell, Samar Safi-Harb, Keivan Strassun, Anna Trindade Falcão, Stephen Walker, Joern Wilms, Mihoko Yukita, William Zhang
Proceedings Volume 12678, 126781E (2023) https://doi.org/10.1117/12.2677468
KEYWORDS: X-rays, Stars, Galactic astronomy, Mirrors, X-ray astronomy, Observatories, Physics, Charge-coupled devices, Observational astronomy

Proceedings Article | 31 August 2022 Poster + Paper
Proceedings Volume 12181, 121814E (2022) https://doi.org/10.1117/12.2630616
KEYWORDS: Mirrors, Vignetting, Point spread functions, X-rays, X-ray optics, Ray tracing, Calibration, Optical alignment

Proceedings Article | 31 August 2022 Presentation + Paper
Randall Smith, Marshall Bautz, Joel Bregman, Laura Brenneman, Nancy Brickhouse, Esra Bulbul, Vadim Burwitz, Joseph Bushman, Claude Canizares, Deepto Chakrabarty, Peter Cheimets, Elisa Costantini, Casey DeRoo, Abe Falcone, Adam Foster, Luigi Gallo, Catherine Grant, Hans Moritz Guenther, Ralf Heilmann, Sarah Heine, Butler Hine, David Huenemoerder, Steve Jara, Jelle Kaastra, Erin Kara, Ingo Kreykenbohm, Kristin Madsen, Herman Marshall, Michael McDonald, Randall McEntaffer, Jon Miller, Eric Miller, Richard Mushotzky, Kirpal Nandra, Michael Nowak, Fritis Paerels, Robert Petre, Katja Poppenhaeger, Andrew Ptak, Paul Reid, Karolyn Ronzano, Agata Rozanska, Jenna Samra, Jeremy Sanders, Mark Schattenburg, Jonathan Schonfeld, Norbert Schulz, Alan Smale, Pasquale Temi, Lynne Valencic, Stephen Walker, Joern Wilms, Scott Wolk
Proceedings Volume 12181, 1218121 (2022) https://doi.org/10.1117/12.2628628
KEYWORDS: X-rays, Galactic astronomy, Absorption, Stars, Ionization, Spectroscopy, Galaxy groups and clusters, Diagnostics

Proceedings Article | 9 September 2019 Presentation + Paper
Randall Smith, Margaret Abraham, Grace Baird, Marshall Bautz, Jay Bookbinder, Joel Bregman, Laura Brenneman, Nancy Brickhouse, David Burrows, Vadim Burwitz, Joseph Bushman, Claude Canizares, Deepto Chakrabarty, Peter Cheimets, Elisa Costantini, Simon Dawson, Casey DeRoo, Abraham Falcone, Adam Foster, Luigi Gallo, Catherine Grant, H. Moritz Günther, Ralf Heilmann, Butler Hine, David Huenemoerder, Steve Jara, Jelle Kaastra, Ingo Kreykenbohm, Kristin Madsen, Michael McDonald, Michael McEachen, Randall McEntaffer, Herman Marshall, Eric Miller, Jon Miller, Elisabeth Morse, Richard Mushotzky, Kirpal Nandra, Michael Nowak, Frits Paerels, Robert Petre, Katja Poppenhaeger, Andrew Ptak, Paul Reid, Karolyn Ronzano, Jeremy Sanders, Mark Schattenburg, Jonathan Schonfeld, Norbert Schulz, Alan Smale, Pasquale Temi, Lynne Valencic, Stephen Walker, Richard Willingale, Joern Wilms, Scott Wolk
Proceedings Volume 11118, 111180W (2019) https://doi.org/10.1117/12.2529499
KEYWORDS: X-rays, Space operations, Spectroscopy, Charge-coupled devices, Galactic astronomy, Sensors, Point spread functions, Spectral resolution, Absorption

Proceedings Article | 10 July 2018 Presentation
Andrew Ptak, Randall Smith, Meghan Abraham, Marshall Bautz, Jay Bookbinder, Joel Bregman, Laura Brenneman, Nancy Brickhouse, David Burrows, Vadim Burwitz, Peter Cheimets, Elisa Costantini, Simon Dawson, Casey DeRoo, Abe Falcone, Adam Foster, Luigi Gallo, Catherine Grant, Hans Guenther, Ralf Heilmann, Ed Hertz, Butler Hine, David Huenemoerder, Jelle Kaastra, Ingo Kreykenbohm, Kristin Madsen, Randall McEntaffer, Eric Miller, Jon Miller, Elisabeth Morse, Richard Mushotzky, Kirpal Nandra, Michael Nowak, Fritz Paerels, Robert Petre, Katja Poppenhaeger, Paul Reid, Jeremy Sanders, Mark Schattenburg, Norbert Schulz, Alan Smale, Pasquale Temi, Lynne Valencic, Stephen Walker, Richard Willingale, Joern Wilms, Scott Wolk
Proceedings Volume 10699, 1069926 (2018) https://doi.org/10.1117/12.2313965
KEYWORDS: X-rays, Spectroscopy, X-ray optics, Atmospheric propagation, Space operations, Observatories, Spectral resolution, Galactic astronomy, Stars, Exoplanets

Proceedings Article | 29 August 2017 Presentation + Paper
R. Smith, M. Abraham, R. Allured, M. Bautz, J. Bookbinder, J. Bregman, L. Brenneman, N. Brickhouse, D. Burrows, V. Burwitz, P. Cheimets, E. Costantini, S. Dawson, C. DeRoo, A. Falcone, A. Foster, L. Gallo, C. Grant, H. Günther, R. Heilmann, E. Hertz, B. Hine, D. Huenemoerder, J. Kaastra, I. Kreykenbohm, K. Madsen, R. McEntaffer, E. Miller, J. Miller, E. Morse, R. Mushotzky, K. Nandra, M. Nowak, F. Paerels, R. Petre, K. Poppenhaeger, A. Ptak, P. Reid, J. Sanders, M. Schattenburg, N. Schulz, A. Smale, P. Temi, L. Valencic, S. Walker, R. Willingale, J. Wilms, S. Wolk
Proceedings Volume 10397, 103970Q (2017) https://doi.org/10.1117/12.2272818
KEYWORDS: X-rays, Imaging spectroscopy, Stars, Spectroscopy, Space operations, Spectral resolution, Galactic astronomy, Visible radiation, Computed tomography, Silicon

Proceedings Article | 30 September 2016 Paper
R. Smith, M. Abraham, R. Allured, M. Bautz, J. Bookbinder, J. Bregman, L. Brenneman, N. Brickhouse, D. Burrows, V. Burwitz, R. Carvalho, P. Cheimets, E. Costantini, S. Dawson, C. DeRoo, A. Falcone, A. Foster, C. Grant, R. Heilmann, E. Hertz, B. Hine, D. Huenemoerder, J. Kaastra, K. Madsen, R. McEntaffer, E. Miller, J. Miller, E. Morse, R. Mushotzky, K. Nandra, M. Nowak, F. Paerels, R. Petre, L. Plice, K. Poppenhaeger, A. Ptak, P. Reid, J. Sanders, M. Schattenburg, N. Schulz, A. Smale, P. Temi, L. Valencic, S. Walker, R. Willingale, J. Wilms, S. Wolk
Proceedings Volume 9905, 99054M (2016) https://doi.org/10.1117/12.2231778
KEYWORDS: X-rays, Stars, Space telescopes, Sensors, Mirrors, Telescopes, Control systems, Calibration, Observatories, Sun

Proceedings Article | 18 July 2016 Paper
Laura Brenneman, Randall Smith, J. Bregman, J. Kaastra, N. Brickhouse, R. Allured, A. Foster, S. Wolk, J. Wilms, L. Valencic, R. Willingale, C. Grant, M. Bautz, R. Heilmann, D. Huenemoerder, E. Miller, M. Nowak, M. Schattenburg, N. Schulz, V. Burwitz, K. Nandra, J. Sanders, J. Bookbinder, R. Petre, A. Ptak, A. Smale, D. Burrows, K. Poppenhaeger, E. Costantini, C. DeRoo, R. McEntaffer, R. Mushotzky, J. Miller, P. Temi
Proceedings Volume 9905, 99054P (2016) https://doi.org/10.1117/12.2231193
KEYWORDS: X-rays, Stars, Galactic astronomy, Neon, Stars, Galactic astronomy, Absorption, Ions, Iron, Plasma, Ionization, X-ray optics

Proceedings Article | 24 August 2015 Paper
Proceedings Volume 9601, 96010J (2015) https://doi.org/10.1117/12.2190837
KEYWORDS: X-rays, Sensors, Mirrors, X-ray optics, X-ray imaging, Spectroscopy, X-ray telescopes, X-ray astronomy, CMOS sensors, Spatial resolution

Proceedings Article | 12 May 2015 Paper
Jordan Camp, Scott Barthelmy, Rob Petre, Neil Gehrels, Francis Marshall, Andy Ptak, Judith Racusin
Proceedings Volume 9510, 951007 (2015) https://doi.org/10.1117/12.2176745
KEYWORDS: Sensors, X-rays, Gamma radiation, LIGO, X-ray detectors, Stars, Interferometers, Signal detection, X-ray optics, X-ray telescopes

Proceedings Article | 24 July 2014 Paper
R. Smith, M. Ackermann, R. Allured, M. Bautz, J. Bregman, J. Bookbinder, D. Burrows, L. Brenneman, N. Brickhouse, P. Cheimets, A. Carrier, M. Freeman, J. Kaastra, R. McEntaffer, J. Miller, A. Ptak, R. Petre, G. Vacanti
Proceedings Volume 9144, 91444Y (2014) https://doi.org/10.1117/12.2062671
KEYWORDS: X-rays, Stars, Charge-coupled devices, Sensors, Control systems, Spectroscopy, Diffraction gratings, Galactic astronomy, Silicon, Spectral resolution

Proceedings Article | 26 September 2013 Paper
Proceedings Volume 8859, 885903 (2013) https://doi.org/10.1117/12.2024423
KEYWORDS: X-rays, Sensors, Spectral resolution, Spectroscopy, X-ray imaging, Point spread functions, Image resolution, Galactic astronomy, X-ray astronomy, Observatories

Proceedings Article | 26 September 2013 Paper
Proceedings Volume 8859, 885902 (2013) https://doi.org/10.1117/12.2024583
KEYWORDS: X-rays, Mirrors, Spectroscopy, Sensors, X-ray technology, Spatial resolution, Spectral resolution, X-ray optics, Charge-coupled devices, Stars

Proceedings Article | 27 September 2012 Paper
Proceedings Volume 8443, 844317 (2012) https://doi.org/10.1117/12.927309
KEYWORDS: X-rays, Spectroscopy, Imaging spectroscopy, Mirrors, X-ray imaging, Sensors, Space operations, X-ray astronomy, Observatories, Spectroscopes

Proceedings Article | 17 September 2012 Paper
R. Petre, J. Bregman, M. Bautz, D. Burrows, W. Cash, C. Jones-Forman, S. Murray, P. Plucinsky, B. Ramsey, R. Remillard, C. Wilson-Hodge, A. Ptak, J. Bookbinder, M. Garcia, R. Smith, G. Daelemans
Proceedings Volume 8443, 84431I (2012) https://doi.org/10.1117/12.926212
KEYWORDS: Mirrors, X-rays, Spectroscopy, Space operations, Spectral resolution, Electromagnetic coupling, Sensors, X-ray astronomy, Observatories, Spatial resolution

Proceedings Article | 17 September 2012 Paper
Randall Smith, Jay Bookbinder, Michael Garcia, Ann Hornschemeier, Robert Petre, Andrew Ptak
Proceedings Volume 8443, 84431J (2012) https://doi.org/10.1117/12.926534
KEYWORDS: X-rays, X-ray optics, Spectroscopy, Electromagnetic coupling, Stars, X-ray astronomy, Observatories, Mirrors, Galaxy groups and clusters, Iron

Proceedings Article | 7 October 2011 Paper
Jason Koglin, HongJun An, Nicolas Barrière, Nicolai Brejnholt, Finn Christensen, William Craig, Charles Hailey, Anders Clemen Jakobsen, Kristin Madsen, Kaya Mori, Melania Nynka, Monica Fernandez-Perea, Michael Pivovaroff, Andrew Ptak, Clio Sleator, Doug Thornhill, Julia Vogel, Daniel Wik, William Zhang
Proceedings Volume 8147, 81470J (2011) https://doi.org/10.1117/12.895279
KEYWORDS: Mirrors, Calibration, X-ray optics, Point spread functions, Sensors, Coating, Multilayers, X-rays, Error analysis, Data modeling

Proceedings Article | 30 July 2010 Paper
Stephen Murray, R. Giacconi, A. Ptak, P. Rosati, M. Weisskopf, S. Borgani, C. Jones, G. Pareschi, P. Tozzi, R. Gilli, S. Campana, M. Paolillo, G. Tagliaferri, M. Bautz, A. Vikhlinin, R. Hickox, W. Forman
Proceedings Volume 7732, 77321W (2010) https://doi.org/10.1117/12.856921
KEYWORDS: X-rays, X-ray telescopes, Space telescopes, Telescopes, Spatial resolution, Galactic astronomy, X-ray optics, Charge-coupled devices, Optical instrument design, Sensors

Proceedings Article | 15 July 2008 Paper
Stephen Murray, Colin Norman, Andrew Ptak, Riccardo Giacconi, Martin Weisskopf, Brian Ramsey, Mark Bautz, Alexey Vikhliniin, Niel Brandt, Piero Rosati, Harold Weaver, Steve Allen, Kathryn Flanagan
Proceedings Volume 7011, 70111J (2008) https://doi.org/10.1117/12.789122
KEYWORDS: X-ray telescopes, Galactic astronomy, Space telescopes, X-rays, Telescopes, Sensors, Galaxy groups and clusters, Spatial resolution, Astronomy, Ultraviolet radiation

Showing 5 of 23 publications
Conference Committee Involvement (2)
Optics for EUV, X-Ray, and Gamma-Ray Astronomy XII
3 August 2025 | San Diego, California, United States
Optics for EUV, X-Ray, and Gamma-Ray Astronomy XI
22 August 2023 | San Diego, California, United States
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