Mr. Sanford Selznick Profile

Sanford Selznick

at Ascending Node Technologies, LLC

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 28 August 2024 Poster

The CACAO real-time computer for adaptive optics: updates, performance, and development plans

Vincent Deo, Olivier Guyon, Jared Males, Kyohoon Ahn, Brian Carcich, Sylvain Cetre, Florian Ferreira, Damien Gratadour, Janis Hagelberg, Rebecca Jensen-Clem, Joseph Long, Julien Lozi, Miles Lucas, Katie Morzinski, Bartomeu Pou Mulet, Sanford Selznik, Arnaud Sevin, Nour Skaf, Sébastien Vievard

Proceedings Volume 13097, 130974O (2024) https://doi.org/10.1117/12.3020601

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Proceedings Article | 21 August 2024 Poster + Paper

Contamination control for the Aspera FUV SmallSat

Nicole Melso, Aafaque Khan, Hannah Tanquary, Elijah Garcia, Daniel Truong, Naomi Yescas, Sooseong Park, Sumedha Uppnor, Carlos Vargas, Haeun Chung, Tom Mcmahon, Keri Hoadley, Erika Hamden, Jason Corliss, Bill Verts, Simran Agarwal, Ramona Augustin, Peter Behroozi, Harrison Bradley, Trenton Brendel, Joe Burchett, Jasmine Martinez Castillo, Jacob Chambers, Heejoo Choi, Lauren Corlies, Fernando Coronado, Greyson Davis, Ralf-Jürgen Dettmar, Ewan Douglas, Giulia Ghidoli, Alfred Goodwin, Dave Hamara, Walt Harris, Carl Hergenrother, J. Christopher Howk, Miriam Keppler, Nazende ipek Kerkeser, John Kidd, DaeWook Kim, Jessica Li, Jamison Noenickx, Gabe Noriega, Ryan Pecha, Cork Sauve, David Schiminovich, Sanford Selznick, Oswald Siegmund, Rebecca Su, Ellie Wolcott, Dennis Zaritsky

Proceedings Volume 13093, 130932Q (2024) https://doi.org/10.1117/12.3017698

KEYWORDS: Contamination, Vacuum chambers, Contamination control, Humidity, Vacuum, Far ultraviolet

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Proceedings Article | 21 August 2024 Poster + Paper

Ultraviolet reflective grating performance verification test setup and simulations for the Aspera SmallSat mission

Jessica Li, Rebecca Su, Sumedha Uppnor, Haeun Chung, Jason Corliss, Simran Agarwal, Aafaque Khan, Elijah Garcia, Naomi Yescas, Daniel Truong, Carlos Vargas, Erika Hamden, Ramona Augustin, Peter Behroozi, Joe Burchett, Heejoo Choi, Lauren Corlies, Greyson Davis, Ralf-Jürgen Dettmar, Ewan Douglas, Carl Hergenrother, Keri Hoadley, J. Christopher Howk, Miriam Keppler, Daewook Kim, Nicole Melso, David Schiminovich, Fernando Coronado, Giulia Ghidoli, Alfred Goodwin, Dave Hamara, Walter Harris, Karl Harshman, John Kidd, Tom McMahon, Jamison Noenickx, Gabe Noriega, Ryan Pecha, Cork Sauve, Sanford Selznick, Hannah Tanquary, Bill Verts, Ellie Wolcott, Dennis Zaritsky

Proceedings Volume 13093, 130932W (2024) https://doi.org/10.1117/12.3017215

KEYWORDS: Optical gratings, Vacuum, Mirrors, Optical alignment, Diffraction gratings, Simulations, Optical fabrication, Microchannel plates, Vacuum chambers, Sensors

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Proceedings Article | 21 August 2024 Presentation + Paper

Optical alignment of contamination-sensitive far-ultraviolet spectrographs for Aspera SmallSat mission

Aafaque Khan, Erika Hamden, Haeun Chung, Heejoo Choi, Daewook Kim, Nicole Melso, Keri Hoadley, Carlos Vargas, Daniel Truong, Elijah Garcia, Bill Verts, Fernando Coronado, Jamison Noenickx, Jason Corliss, Hannah Tanquary, Tom McMahon, Dave Hamara, Simran Agarwal, Ramona Augustin, Peter Behroozi, Harrison Bradley, Trenton Brendel, Joe Burchett, Jasmine Martinez Castillo, Jacob Chambers, Lauren Corlies, Greyson Davis, Ralf-Jürgen Dettmar, Ewan Douglas, Giulia Ghidoli, Alfred Goodwin, Walter Harris, Carl Hergenrother, J. Christopher Howk, Miriam Keppler, Nazende Ipek Kerkeser, John Kidd, Jessica Li, Gabe Noriega, Sooseong Park, Ryan Pecha, Cork Sauve, David Schiminovich, Sanford Selznic, Oswald Siegmund, Rebecca Su, Sumedha Uppnor, Jacob Vider, Ellie Wolcott, Naomi Yescas, Dennis Zaritsky

Proceedings Volume 13093, 130930A (2024) https://doi.org/10.1117/12.3020822

KEYWORDS: Ultraviolet astronomy, 3D metrology, Far ultraviolet, Optical alignment, Computer generated holography, Tolerancing, Prototyping, Microchannel plates, Vacuum, Contamination, Spectrographs

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Proceedings Article | 21 August 2024 Presentation + Paper

Aspera payload design overview: UV SmallSat mission to detect and map warm-hot halo gas around the nearby galaxies

Haeun Chung, Carlos Vargas, Erika Hamden, Tom McMahon, Hannah Tanquary, Aafaque Khan, Fernando Coronado, Bill Verts, Nicole Melso, Heejoo Choi, Simran Agarwal, Jason Corliss, Keri Hoadley, Miriam Keppler, Dave Hamara, Elijah Garcia, Daniel Truong, Naomi Yescas, Ramona Augustin, Mateo Batkis, Peter Behroozi, Harrison Bradley, Trenton Brendel, Joseph Burchett, Jasmine Martinez Castillo, Jacob Chambers, Lauren Corlies, Greyson Davis, Ralf-Jürgen Dettmar, Ewan Douglas, Giulia Ghidoli, Alfred Goodwin, Walter Harris, John Hennessy, Carl Hergenrother, J. Christopher Howk, Nazende Ipek Kerkeser, John Kidd, Daewook Kim, Jessica Li, Adrian Martin, Jamison Noenickx, Gabe Noriega, Sooseong Park, Ryan Pecha, Manuel Quijada, L. Rodriguez de Marcos, Cork Sauve, David Schiminovich, Sanford Selznick, Oswald Siegmund, Rebecca Su, Sumedha Uppnor, Ellie Wolcott, Dennis Zaritsky

Proceedings Volume 13093, 1309302 (2024) https://doi.org/10.1117/12.3017274

KEYWORDS: Optical gratings, Microchannel plates, Spectrographs, Optical coatings, Optical alignment, Spectral resolution

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Proceedings Article | 25 July 2024 Presentation + Paper

Development of a data reduction pipeline for the Aspera SmallSat mission

Miriam Keppler, Haeun Chung, Aafaque Khan, Carl Hergenrother, Carlos Vargas, Jacob Chambers, Jacob Vider, Sanford Selznick, Giulia Ghidoli, Hannah Tanquary, Erika Hamden, J. Christopher Howk, Simran Agarwal, Ramona Augustin, Peter Behroozi, Joe Burchett, Heejoo Choi, Lauren Corlies, Jason Corliss, Fernando Coronado, Greyson Davis, Ralf-Jürgen Dettmar, Ewan Douglas, Elijah Garcia, Alfred Goodwin, Dave Hamara, Walt Harris, Keri Hoadley, John Kidd, Daewook Kim, Jessica Li, Tom McMahon, Nicole Melso, Jamison Noenickx, Gabe Noriega, Ryan Pecha, Cork Sauve, David Schiminovich, Siegmund Oswald, Daniel Truong, Sumedha Uppnor, Bill Verts, Ellie Wollcott, Naomi Yescas, Dennis Zaritsky, Harrison Bradley, Trenton Brendel

Proceedings Volume 13101, 131011Q (2024) https://doi.org/10.1117/12.3017883

KEYWORDS: Calibration, Sensors, Microchannel plates, Device simulation, Space operations, Image processing, Data processing, Extragalactic astronomy, Software development

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Proceedings Article | 4 October 2023 Paper

Approaches to lowering the cost of large space telescopes

Ewan Douglas, Greg Aldering, Greg Allan, Ramya Anche, Roger Angel, Cameron Ard, Supriya Chakrabarti, Laird Close, Kevin Derby, Jerry Edelstein, John Ford, Jessica Gersh-Range, Sebastiaan Haffert, Patrick Ingraham, Hyukmo Kang, Douglas Kelly, Daewook Kim, Michael Lesser, Jarron Leisenring, Yu-Chia Lin, Jared Males, Buddy Martin, Bianca Alondra Payan, Sai Krishanth P. M., David Rubin, Sanford Selznick, Kyle Van Gorkom, Buell Jannuzi, Saul Perlmutter

Proceedings Volume 12677, 126770D (2023) https://doi.org/10.1117/12.2677843

KEYWORDS: Space telescopes, Design and modelling, Telescopes, Observatories, Mirrors, James Webb Space Telescope, Space mirrors, Equipment, Astronomy, Coronagraphy

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Proceedings Article | 27 September 2023 Presentation

Payload design and development of Aspera: the UV SmallSat mission for mapping warm-hot phase gas in nearby galaxy halos

Haeun Chung, Carlos Vargas, Erika Hamden, Thomas McMahon, Hannah Tanquary, Peter Behroozi, Ewan Douglas, Miriam Keppler, Nicole Melso, Simran Agarwal, Aafaque Khan, Jessica Li, Sumedha Uppnor, Jacob Chambers, Giulia Ghidoli, Gabe Noriega, Ryan Pecha, Ellie Wolcott, Fernando Coronado, Elijah Garcia, Daniel Truong, Naomi Yescas, Heejoo Choi, Tom Connors, Jason Corliss, Dave Hamara, Walter Harris, Karl Harshman, Daewook Kim, Corwynn Sauve, Bill Verts, Michael Ward, Dennis Zaritsky, Carl Hergenrother, John Kidd, Sanford Selznick, Oswald Siegmund, Simon Grocott, David Schiminovich, Keri Hoadley

Proceedings Volume 12678, 126780C (2023) https://doi.org/10.1117/12.2677212

KEYWORDS: Galactic astronomy, Design and modelling, Ultraviolet radiation, Spectrographs, Optical alignment, Computer generated holography, Ultraviolet telescopes, Ultraviolet detectors, UV-Vis spectroscopy, Tolerancing

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Proceedings Article | 20 August 2021 Presentation + Paper

Aspera: the UV SmallSat telescope to detect and map the warm-hot gas phase in nearby galaxy halos

Haeun Chung, Carlos Vargas, Erika Hamden, Tom McMahon, Kerry Gonzales, Aafaque Khan, Simran Agarwal, Hop Bailey, Peter Behroozi, Trenton Brendel, Heejoo Choi, Tom Connors, Lauren Corlies, Jason Corliss, Ralf-Jürgen Dettmar, David Dolana, Ewan Douglas, John Guzman, Dave Hamara, Walt Harris, Karl Harshman, Carl Hergenrother, Keri Hoadley, John Kidd, Daewook Kim, Jessica Li, Manny Montoya, Corwynn Sauve, David Schiminovich, Sanford Selznick, Oswald Siegmund, Michael Ward, Ellie Wolcott, Dennis Zaritsky

Proceedings Volume 11819, 1181903 (2021) https://doi.org/10.1117/12.2593001

KEYWORDS: Galactic astronomy, Spectrographs, Microchannel plates, Telescopes, Spectral resolution, Ultraviolet radiation, Target detection, Signal detection, Mirrors

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Showing 5 of 9 publications

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