Mr. Bryan Hilbert Profile

Bryan Hilbert

at Space Telescope Science Institute

SPIE Involvement:

Author

Publications (14)

Proceedings Article | 27 August 2022 Poster + Presentation + Paper

JWST/NIRCam coronagraphy: commissioning and first on-sky results

Julien Girard, Jarron Leisenring, Jens Kammerer, Mario Gennaro, Marcia Rieke, John Stansberry, Armin Rest, Eiichi Egami, Ben Sunnquist, Martha Boyer, Alicia Canipe, Matteo Correnti, Bryan Hilbert, Marshall Perrin, Laurent Pueyo, Remi Soummer, Marsha Allen, Howard Bushouse, Jonathan Aguilar, Brian Brooks, Dan Coe, Audrey DiFelice, David Golimowski, George Hartig, Dean Hines, Anton Koekemoer, Bryony Nickson, Nikolay Nikolov, Vera Kozhurina-Platais, Nor Pirzkal, Massimo Robberto, Anand Sivaramakrishnan, Sangmo Tony Sohn, Randal Telfer, Chi Rai Wu, Thomas Beatty, Michael Florian, Kevin Hainline, Doug Kelly, Karl Misselt, Everett Schlawin, Fengwu Sun, Christina Williams, Christopher Willmer, Christopher Stark, Marie Ygouf, Aarynn Carter, Charles Beichman, Thomas Greene, Thomas Roellig, John Krist, Jéa Adams Redai, Jason Wang, Charles Clark, Dan Lewis, Malcolm Ferry

Proceedings Volume 12180, 121803Q (2022) https://doi.org/10.1117/12.2629636

KEYWORDS: Coronagraphy, Stars, James Webb Space Telescope, Point spread functions, Distortion, Telescopes, Signal to noise ratio, Calibration, Target acquisition, Exoplanets, Astronomical imaging, Near infrared, Direct methods, Astronomical instrumentation

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Proceedings Article | 17 August 2018 Paper

Making good use of JWST's coronagraphs: tools and strategies from a user's perspective

Julien Girard, William Blair, Brian Brooks, Keira Brooks, Robert Brown, Howard Bushouse, Alicia Canipe, Christine Chen, Matteo Correnti, J. Brendan Hagan, Bryan Hilbert, Dean Hines, Jarron Leisenring, Joseph Long, Bryony Nickson, Marshall Perrin, Klaus Pontoppidan, Laurent Pueyo, Abhijith Rajan, Adric Riedel, Remi Soummer, John Stansberry, Christopher Stark, Kyle Van Gorkom, Brian York

Proceedings Volume 10698, 106983V (2018) https://doi.org/10.1117/12.2314198

KEYWORDS: Coronagraphy, Point spread functions, James Webb Space Telescope, Stars, Signal to noise ratio, Exoplanets, Calibration, Visibility, Space telescopes, Device simulation

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Proceedings Article | 29 July 2016 Paper

A new method of superbias construction for NIRCam

Bryan Hilbert, Armin Rest, Karl Misselt, Massimo Robberto

Proceedings Volume 9904, 99044B (2016) https://doi.org/10.1117/12.2233553

KEYWORDS: Calibration, Interference (communication), Shortwaves, Sensors, Signal detection, Cadmium sulfide, James Webb Space Telescope, Nickel, Signal generators, Infrared detectors

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Proceedings Article | 29 July 2016 Paper

Gain determination of non-linear IR detectors with the differential photon transfer curve (dPTC) method

Armin Rest, Bryan Hilbert, Jarron Leisenring, Karl Misselt, Marcia Rieke, Massimo Robberto

Proceedings Volume 9904, 99045U (2016) https://doi.org/10.1117/12.2233203

KEYWORDS: Data conversion, Infrared detectors, Infrared telescopes, James Webb Space Telescope, Sensors, Electrons, Calibration, Data conversion, Interference (communication), Signal detection, Near infrared

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Proceedings Article | 28 August 2014 Paper

HST/WFC3: new capabilities, improved IR detector calibrations, and long-term performance stability

John MacKenty, Sylvia Baggett, Gabriel Brammer, Bryan Hilbert, Knox Long, Peter McCullough, Adam Riess

Proceedings Volume 9143, 914328 (2014) https://doi.org/10.1117/12.2056853

KEYWORDS: Sensors, Stars, Calibration, Charge-coupled devices, Infrared detectors, Infrared radiation, Electrons, CCD image sensors, Mercury cadmium telluride, Infrared imaging

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Wide Field Camera 3 (WFC3) is the most used instrument on board the Hubble Space Telescope. Providing a broad range of high quality imaging capabilities from 200 to 1700mn using Silicon CCD and HgCdTe IR detectors, WFC3 is fulfilling both our expectations and its formal requirements. With the re-establishment of the observatory level "spatial scan" capability, we have extended the scientific potential ofWFC3 in multiple directions. These controlled scans, often in combination with low resolution slit-less spectroscopy, enable extremely high precision differential photometric measurements of transiting exo-planets and direct measurement of sources considerably brighter than originally anticipated. In addition, long scans permit the measurement of the separation of star images to accuracies approaching 25 micro-arc seconds (a factor of 10 better than prior FGS or imaging measurements) enables direct parallax observations out to 4 kilo-parsecs. In addition, we have employed this spatial scan capability to both assess and improve the mid spatial frequency flat field calibrations. WFC3 uses a Teledyne HgCdTe 1014xl014 pixel Hawaii-lR infrared detector array developed for this mission. One aspect of this detector with implications for many types of science observations is the localized trapping of charge. This manifests itself as both image persistence lasting several hours and as an apparent response variation with photon arrival rate over a large dynamic range. Beyond a generally adopted observing strategy of obtaining multiple observations with small spatial offsets, we have developed a multi-parameter model that accounts for source flux, accumulated signal level, and decay time to predict image persistence at the pixel level. Using a running window through the entirety of the acquired data, we now provide observers with predictions for each individual exposure within several days of its acquisition. Ongoing characterization of the sources on infrared background and the causes of its temporal and spatial variation has led to the appreciation of the impact of He I 1.083 micron emission from the earth's atmosphere. This adds a significant and variable background to the two filters and two grisms which include this spectral feature when the HST spacecraft is outside of the earth's shadow. After nearly five years in orbit, long term trending of the scientific and engineering behavior of WFC3 demonstrates excellent stability other than the expected decline in CCD charge transfer efficiency. Addition of post-flash signal to images is shown to markedly improve the transfer efficiency for low level signals. Combined with a pixel based correction algorithm developed at STScl, CCD performance is stabilized at levels only slightly degraded from its initial values.

Proceedings Article | 11 August 2010 Paper

Persistence and count-rate nonlinearity in the HST WFC3 IR detector

Susana Deustua, Knox Long, Peter McCullough, Adam Riess, John MacKenty, Randy Kimble, Sylvia Baggett, Bryan Hilbert, Robert Hill, Cheryl Pavlovsky, Larry Petro

Proceedings Volume 7731, 77313C (2010) https://doi.org/10.1117/12.857582

KEYWORDS: Stars, Sensors, Infrared detectors, Mercury cadmium telluride, Cameras, Infrared sensors, Infrared imaging, Photometry, Tungsten, Space telescopes

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Proceedings Article | 11 August 2010 Paper

WFC3 detectors: on-orbit performance

S. Baggett, J. MacKenty, R. Kimble, T. Borders, B. Hilbert, S. Deustua, V. Kozhurina-Platais, K. Long, A. Riess, R. Gilliland, R. Hill, J. Kalirai

Proceedings Volume 7731, 773138 (2010) https://doi.org/10.1117/12.857642

KEYWORDS: Quantum efficiency, Sensors, Charge-coupled devices, Infrared detectors, Staring arrays, Calibration, Cameras, Multiplexers, Mercury cadmium telluride, Stars

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Proceedings Article | 22 July 2008 Paper

The Wide-Field Camera 3 detectors

S. Baggett, R. Hill, R. Kimble, J. MacKenty, A. Waczynski, H. Bushouse, N. Boehm, H. Bond, T. Brown, N. Collins, G. Delo, L. Dressel, R. Foltz, G. Hartig, B. Hilbert, E. Kan, J. Kim-Quijano, E. Malumuth, A. Martel, P. McCullough, L. Petro, M. Robberto, Y. Wen

Proceedings Volume 7021, 70211Q (2008) https://doi.org/10.1117/12.790056

KEYWORDS: Sensors, Quantum efficiency, Charge-coupled devices, Cameras, Staring arrays, Infrared imaging, Infrared detectors, Amplifiers, Thermography, Optical filters

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Proceedings Article | 12 July 2008 Paper

Wide field camera 3 ground testing and calibration

H. Bushouse, S. Baggett, H. Bond, T. Brown, S. Deustua, G. Hartig, B. Hilbert, R. Hill, J. Kim-Quijano, R. Kimble, J. MacKenty, A. Martel, P. McCullough, L. Petro, S. Rinehart, M. Robberto

Proceedings Volume 7010, 70104P (2008) https://doi.org/10.1117/12.789569

KEYWORDS: Staring arrays, Sensors, Calibration, Infrared imaging, Charge-coupled devices, Cameras, Thermography, Infrared sensors, Optical filters, Imaging systems

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Proceedings Article | 15 June 2006 Paper

Filters for HST Wide Field Camera 3

S. Baggett, T. Brown, R. Boucarut, D. Figer, G. Hartig, R. Kimble, J. MacKenty, M. Robberto, R. Telfer, J. Kim-Quijano, M. Quijada, G. Allen, P. Arsenovic, B. Hilbert, O. Lupie, J. Townsend

Proceedings Volume 6265, 626532 (2006) https://doi.org/10.1117/12.672300

KEYWORDS: Optical filters, Image filtering, Bandpass filters, Ultraviolet radiation, Optical filtering, Coating, Cameras, Infrared imaging, Sensors, Visible radiation

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Proceedings Article | 10 June 2006 Paper

Wide-field camera 3 ground testing and calibration

H. Bushouse, S. Baggett, T. Brown, G. Hartig, B. Hilbert, R. Hill, R. Kimble, O. Lupie, J. MacKenty, I. Reid, M. Robberto

Proceedings Volume 6265, 62650J (2006) https://doi.org/10.1117/12.672007

KEYWORDS: Sensors, Infrared imaging, Staring arrays, Thermography, Charge-coupled devices, Optical filters, Cameras, Infrared sensors, Calibration, Infrared detectors

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Proceedings Article | 29 September 2004 Paper

The infrared detectors for the wide field camera 3 on HST

Massimo Robberto, Sylvia Baggett, B. Hilbert, John MacKenty, Randy Kimble, Robert Hill, David Cottingham, Greg Delo, Scott Johnson, Wayne Landsman, Eliot Malumuth, Elizabeth Polidan, Anne Russell, Augustyn Waczynski, Edward Wassell, Yiting Wen, Allan Haas, John Montroy, Eric Piquette, Kadri Vural, Craig Cabelli, Donald Hall

Proceedings Volume 5499, (2004) https://doi.org/10.1117/12.551807

KEYWORDS: Quantum efficiency, Sensors, Infrared detectors, Cameras, Space telescopes, Mercury cadmium telluride, Electrons, Astronomy, Capacitance, Hubble Space Telescope

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Proceedings Article | 12 January 2004 Paper

Selection of the infrared detectors for Wide Field Camera 3 on the Hubble Space Telescope

Massimo Robberto, Massimo Stiavelli, Sylvia Baggett, Bryan Hilbert, John MacKenty, Randy Kimble, Robert Hill, David Cottingham, Gregory Delo, Scott Johnson, Wayne Landsman, Eliot Malumuth, Elizabeth Polidan, Anne Russell, Augustyn Waczynski, Edward Wassell, Yiting Wen, Allan Haas, John Montroy, Eric Piquette, Kadri Vural, Craig Cabelli, Donald Hall

Proceedings Volume 5167, (2004) https://doi.org/10.1117/12.507334

KEYWORDS: Sensors, Quantum efficiency, Cameras, Infrared detectors, Hubble Space Telescope, Space telescopes, Infrared sensors, Multiplexers, Optical filters, Mercury cadmium telluride

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Proceedings Article | 5 March 2003 Paper

Infrared detectors for WFC3 on the Hubble Space Telescope

Massimo Robberto, Sylvia Baggett, Chris Hanley, B. Hilbert, John MacKenty, Edward Cheng, Robert Hill, Scott Johnson, Eliot Malumuth, Elizabeth Polidan, Augustyn Waczynski, Yiting Wen, Allan Haas, John Montroy, Eric Piquette, Kadri Vural, Craig Cabelli, Donald Hall

Proceedings Volume 4850, (2003) https://doi.org/10.1117/12.461197

KEYWORDS: Sensors, Hubble Space Telescope, Infrared detectors, Mercury cadmium telluride, Multiplexers, Detector development, Cameras, Quantum efficiency, Diodes, Polarization

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Showing 5 of 14 publications

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