Mr. Jacob Ennis Profile

Jacob Ennis

at Univ of Michigan

SPIE Involvement:

Author

Publications (10)

SPIE Journal Paper | 6 June 2023 Open Access

MYSTIC: a high angular resolution K-band imager at CHARA

Benjamin Setterholm, John Monnier, Jean-Baptiste Le Bouquin, Narsireddy Anugu, Jacob Ennis, Laurent Jocou, Nour Ibrahim, Stefan Kraus, Matthew Anderson, Sorabh Chhabra, Isabelle Codron, Christopher Farrington, Becky Flores, Tyler Gardner, Mayra Gutierrez, Cyprien Lanthermann, Olli W. Majoinen, Daniel Mortimer, Gail Schaefer, Nicholas Scott, Theo ten Brummelaar, Norman Vargas

JATIS, Vol. 9, Issue 02, 025006, (June 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.2.025006

KEYWORDS: Equipment, K band, Spatial resolution, Beam combiners, Cameras, Imaging systems, Prisms, Mirrors, Vacuum, Design and modelling

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Proceedings Article | 29 August 2022 Presentation

CHARA MIRC-X and MYSTIC cophasing observations to enable efficient spectro-interferometry and over-resolved object imaging

Narsireddy Anugu, John Monnier, Jean-Baptiste Le Bouquin, Stefan Kraus, Benjamin Setterholm, Theo ten Brummelaar, Gail Schaefer, Cyprien Lanthermann, Jacob Ennis

Proceedings Volume 12183, 121830J (2022) https://doi.org/10.1117/12.2629661

KEYWORDS: Telescopes, Spectral resolution, Spatial resolution, Ranging, Observatories, K band, Vibration control, Interferometry

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Proceedings Article | 26 August 2022 Presentation + Paper

A thesis to probe unique exoplanet regimes with micro-arcsecond astrometry and precision closure phases at CHARA and VLTI

Tyler Gardner, John Monnier, Francis Fekel, Jean-Baptiste Le Bouquin, Adam Scovera, Gail Schaefer, Stefan Kraus, Fred Adams, Narsireddy Anugu, Hayley Beltz, Jean-Philippe Berger, Theo ten Brummelaar, Claire Davies, Jacob Ennis, Douglas Gies, Keith J. C. Johnson, Pierre Kervella, Kaitlin Kratter, Aaron Labdon, Cyprien Lanthermann, Isaac Malsky, Emily Rauscher, Johannes Sahlmann, Benjamin Setterholm

Proceedings Volume 12183, 121830Z (2022) https://doi.org/10.1117/12.2630035

KEYWORDS: Planets, Stars, Calibration, Exoplanets, Data modeling, Interferometry, Binary data

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Proceedings Article | 26 August 2022 Presentation + Paper

MYSTIC: a high angular resolution K-band imager at CHARA

Benjamin Setterholm, John Monnier, Jean-Baptiste Le Bouquin, Narsireddy Anugu, Jacob Ennis, Becky Flores, Tyler Gardner, Nour Ibrahim, Laurent Jocou, Stefan Kraus, Cyprien Lanthermann, Gail Schaefer, Theo ten Brummelaar

Proceedings Volume 12183, 121830B (2022) https://doi.org/10.1117/12.2629437

KEYWORDS: Astronomical interferometry, Long baseline optical interferometry, Optical fibers, K band, Cameras, Prisms, Spatial resolution, Visibility, Optical systems, Optical filters

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Proceedings Article | 13 December 2020 Presentation + Paper

MIRC-X polarinterferometry at CHARA

Benjamin Setterholm, John Monnier, Jean-Baptiste Le Bouquin, Narsireddy Anugu, Aaron Labdon, Jacob Ennis, Keith J. Johnson, Stefan Kraus, Theo ten Brummelaar

Proceedings Volume 11446, 114460R (2020) https://doi.org/10.1117/12.2562407

KEYWORDS: Prisms, Stars, Spectral resolution, Polarimetry, Sensors, Light scattering, Beryllium

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Proceedings Article | 13 December 2020 Presentation + Paper

A new frontier for J-band interferometry: dual-band NIR interferometry with MIRC-X

Aaron Labdon, John Monnier, Stefan Kraus, Jean-Baptiste Le Bouquin, Benjamin Setterholm, Narsireddy Anugu, Theo ten Brummelaar, Cyprien Lanthermann, Claire Davies, Jacob Ennis, Tyler Gardner, Gail Schaefer, Laszlo Sturmann, Judit Sturmann

Proceedings Volume 11446, 114460H (2020) https://doi.org/10.1117/12.2561371

KEYWORDS: Interferometry, Near infrared, Birefringence, Atmospheric corrections, Atmospheric modeling, Telescopes, Instrument modeling

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Proceedings Article | 13 December 2020 Presentation + Paper

CHARA/MIRC-X: a high-sensitive six telescope interferometric imager concept, commissioning and early science

Narsireddy Anugu, Jean-Baptiste Le Bouquin, John Monnier, Stefan Kraus, Gail Schaefer, Benjamin Setterholm, Claire Davies, Tyler Gardner, Aaron Labdon, Cyprien Lanthermann, Jacob Ennis, Theo ten Brummelaar, Judit Sturmann, Matt Anderson, Chris Farrington, Norm Vargas, Olli Majoinen

Proceedings Volume 11446, 114460N (2020) https://doi.org/10.1117/12.2561579

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Proceedings Article | 9 July 2018 Paper

MYSTIC: Michigan Young STar Imager at CHARA

John Monnier, Jean-Baptiste Le Bouquin, Narsireddy Anugu, Stefan Kraus, Benjamin Setterholm, Jacob Ennis, Cyprien Lanthermann, Laurent Jocou, Theo ten Brummelaar

Proceedings Volume 10701, 1070122 (2018) https://doi.org/10.1117/12.2312762

KEYWORDS: Optical fibers, Cameras, Spectrographs, K band, Integrated optics, Stars, Imaging systems, Spectral resolution, Optical interferometry, Coherent beam combination

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Proceedings Article | 9 July 2018 Presentation + Paper

The MIRC-X 6-telescope imager: key science drivers, instrument design and operation

Stefan Kraus, John Monnier, Narsireddy Anugu, Jean-Baptiste Le Bouquin, Claire Davies, Jacob Ennis, Aaron Labdon, Cyprien Lanthermann, Benjamin Setterholm, Theo ten Brummelaar

Proceedings Volume 10701, 1070123 (2018) https://doi.org/10.1117/12.2311706

KEYWORDS: Sensors, Cameras, Visibility, Stars, Imaging systems, Polarization, Interferometry, Optical fibers, Signal to noise ratio, Calibration

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Proceedings Article | 9 July 2018 Presentation + Paper

MIRC-X/CHARA: sensitivity improvements with an ultra-low noise SAPHIRA detector

Narsireddy Anugu, Jean-Baptiste Le Bouquin, John Monnier, Stefan Kraus, Jacob Ennis, Cyprien Lanthermann, Benjamin Setterholm, Claire Davies, Theo ten Brummelaar, Mariam Haidar, Veronika Dubravec, Scott Peters

Proceedings Volume 10701, 1070124 (2018) https://doi.org/10.1117/12.2313036

KEYWORDS: Cameras, Signal to noise ratio, Sensors, Data acquisition, Polarization, Optical fibers, Visibility, Imaging systems, Photons, Telescopes

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Showing 5 of 10 publications

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