Ms. Logan A. Pearce Profile

Logan A. Pearce

at Univ of Michigan

SPIE Involvement:

Author

Publications (14)

SPIE Journal Paper | 23 November 2024

Phasing the Giant Magellan Telescope: lab experiments and first on-sky demonstration

Maggie Kautz, Sebastiaan Haffert, Laird Close, Jared Males, Olivier Guyon, Alexander Hedglen, Victor Gasho, Richard Demers, Antonin Bouchez, Fernando Quirós-Pacheco, Cédric Plantet, Avalon McLeod, Jay Kueny, Jialin Li, Joshua Liberman, Joseph Long, Jennifer Lumbres, Eden McEwen, Logan Pearce, Lauren Schatz, Patricio Schurter, Breann Sitarski, Katie Twitchell, Kyle Van Gorkom

JATIS, Vol. 10, Issue 04, 049005, (November 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.4.049005

Read Abstract +

Proceedings Article | 29 August 2024 Poster + Paper

MagAO-X phase II upgrades: implementation and first on-sky results of a new post-AO 1000 actuator deformable mirror

Jay Kueny, Kyle Van Gorkom, Maggie Kautz, Sebastiaan Haffert, Jared Males, Alex Hedglen, Laird Close, Eden McEwen, Jialin Li, Joseph Long, Warren Foster, Logan Pearce, Avalon McLeod, Jhen Lumbres, Lauren Schatz, Olivier Guyon, Joshua Liberman

Proceedings Volume 13097, 1309761 (2024) https://doi.org/10.1117/12.3018080

KEYWORDS: Actuators, Adaptive optics, Wavefront sensors, Equipment, Coronagraphy, Point spread functions, Matrices, Electric fields, Deformable mirrors, Wavefronts

Read Abstract +

Proceedings Article | 28 August 2024 Presentation

On-sky demonstration of high-order focal plane wavefront control with a second stage AO system on MagAO-X

S. Haffert, J. Liberman, J. Males, J. Kueny, L. Close, K. Van Gorkom, O. Guyon, A. Hedglen, M. Kautz, J. Li, J. Long, J. Lumbres, E. McEwen, L. Pearce, L. Schatz, K. Twitchell

Proceedings Volume 13097, 130971K (2024) https://doi.org/10.1117/12.3019208

Read Abstract +

Proceedings Article | 27 August 2024 Presentation + Paper

On-sky, real-time optical gain calibration on MagAO-X using incoherent speckles

Eden McEwen, Jared Males, Olivier Guyon, Sebastiaan Haffert, Joseph Long, Laird Close, Kyle Van Gorkom, Jennifer Lumbres, Alexander Hedglen, Lauren Schatz, Maggie Kautz, Logan Pearce, Jay Kueny, Avalon McLeod, Warren Foster, Jialin Li, Roz Roberts, Alycia Weinberger

Proceedings Volume 13097, 130970U (2024) https://doi.org/10.1117/12.3020254

KEYWORDS: Adaptive optics, Wavefront sensors, Calibration, Optical testing, Equipment, Control systems

Read Abstract +

Proceedings Article | 27 August 2024 Presentation + Paper

More data than you want, fewer data than you need: machine learning approaches to starlight subtraction with MagAO-X

Joseph Long, Jared Males, Laird Close, Olivier Guyon, Sebastiaan Haffert, Alycia Weinberger, Jay Kueny, Kyle Van Gorkom, Eden McEwen, Logan Pearce, Maggie Kautz, Jialin Li, Jennifer Lumbres, Alexander Hedglen, Lauren Schatz, Avalon McLeod, Isabella Doty, Warren Foster, Roswell Roberts, Katie Twitchell

Proceedings Volume 13097, 130972X (2024) https://doi.org/10.1117/12.3018424

KEYWORDS: Wavefront sensors, Machine learning, Point spread functions, Optical path differences, Education and training, Exoplanets, Telescopes, Adaptive optics, Astronomical imaging, Wavefronts

Read Abstract +

Proceedings Article | 27 August 2024 Presentation + Paper

Challenge of direct imaging of exoplanets within structures: disentangling real signal from point source from background light

Jialin Li, Laird Close, Jared Males, Sebastiaan Haffert, Alycia Weinberger, Katherine Follette, Kevin Wagner, Daniel Apai, Ya-Lin Wu, Joseph Long, Laura Perez, Logan Pearce, Jay Kueny, Eden McEwen, Kyle Van Gorkom, Olivier Guyon, Maggie Kautz, Alexander Hedglen, Warren Foster, Roz Roberts, Jennifer Lumbres, Lauren Schatz

Proceedings Volume 13097, 1309714 (2024) https://doi.org/10.1117/12.3020333

KEYWORDS: Planets, Point spread functions, Tunable filters, Stars, Cameras, Exoplanets, Signal detection, Imaging systems, Scattered light, Binary data

Read Abstract +

Proceedings Article | 27 August 2024 Presentation + Paper

MagAO-X: commissioning results and status of ongoing upgrades

Jared Males, Laird Close, Sebastiaan Haffert, Maggie Kautz, Jay Kueny, Joseph Long, Eden McEwen, Noah Swimmer, John Bailey, Warren Foster, Benjamin Mazin, Logan Pearce, Joshua Liberman, Katie Twitchell, Alycia Weinberger, Olivier Guyon, Alexander Hedglen, Avalon McLeod, Roz Roberts, Kyle Van Gorkom, Jialin Li, Isabella Doty, Victor Gasho

Proceedings Volume 13097, 1309709 (2024) https://doi.org/10.1117/12.3019464

KEYWORDS: Wavefront sensors, Actuators, Adaptive optics, Telescopes, Coronagraphy, Control systems, Stars, Observatories, Cameras

Read Abstract +

Proceedings Article | 18 July 2024 Presentation + Paper

High-contrast imaging at first-light of the GMT: the preliminary design of GMagAO-X

Jared Males, Laird Close, Sebastiaan Haffert, Maggie Kautz, Doug Kelly, Adam Fletcher, Thomas Salanski, Olivier Durney, Jamison Noenickx, John Ford, Victor Gasho, Logan Pearce, Jay Kueny, Olivier Guyon, Alycia Weinberger, Brendan Bowler, Adam Kraus, Natasha Batalha

Proceedings Volume 13096, 130960Y (2024) https://doi.org/10.1117/12.3018157

KEYWORDS: Design, Equipment, Coronagraphy, Stars, Planets, Exoplanets, Control systems, Wavefront sensors, Telescopes, Adaptive optics

Read Abstract +

Proceedings Article | 6 October 2023 Presentation

MagAO-X: a pathfinder for GMT to operate extreme adaptive optics at the photon noise limit

Sebastiaan Haffert, Jared Males, Laird Close, Olivier Guyon, Joseph Long, Alexander Hedglen, Maggie Kautz, Kyle Van Gorkom, Avalon McLeod, Warren Foster, Eden McEwen, Logan Pearce, Jialin Li, Jay Kueny, Ben Mazin, Noah Swimmer, Jeb Bailey, Sarah Steiger

Proceedings Volume 12680, 1268008 (2023) https://doi.org/10.1117/12.2677533

KEYWORDS: Coronagraphy, Adaptive optics, Planets, Equipment, Reflection, Imaging systems, Wavefront sensors, Telescopes, Stars, Exoplanetary science

Read Abstract +

Proceedings Article | 30 August 2022 Presentation + Paper

MagAO-X: current status and plans for Phase II

Jared Males, Laird Close, Sebastiaan Haffert, Joseph Long, Alexander Hedglen, Logan Pearce, Alycia Weinberger, Olivier Guyon, Justin Knight, Avalon McLeod, Maggie Kautz, Kyle Van Gorkom, Jennifer Lumbres, Lauren Schatz, Alex Rodack, Victor Gasho, Jay Kueny, Warren Foster

Proceedings Volume 12185, 1218509 (2022) https://doi.org/10.1117/12.2630584

KEYWORDS: Coronagraphy, Adaptive optics, Telescopes, Algorithm development, Actuators, Imaging systems, Wavefront sensors, Planets, Stars

Read Abstract +

Proceedings Article | 1 September 2021 Presentation + Paper

Data-driven subspace predictive control: lab demonstration and future outlook

Sebastiaan Haffert, Jared Males, Laird Close, Kyle van Gorkom, Joseph Long, Alexander Hedglen, Lauren Schatz, Jennifer Lumbres, Alexander Rodack, Justin Knight, He Sun, Kevin Fogarty, Logan Pearce

Proceedings Volume 11823, 118231C (2021) https://doi.org/10.1117/12.2594910

KEYWORDS: Adaptive optics, Planets, Autoregressive models, Wavefront sensors, Adaptive control

Read Abstract +

Proceedings Article | 1 September 2021 Presentation + Paper

Data-driven subspace predictive control: lab demonstration and future outlook

Sebastiaan Haffert, Jared Males, Laird Close, Joseph Long, Lauren Schatz, Kyle van Gorkom, Alexander Hedglen, Jennifer Lumbres, Alexander Rodack, Olivier Guyon, Justin Knight, Maggie Kautz, Logan Pearce

Proceedings Volume 11823, 1182306 (2021) https://doi.org/10.1117/12.2594875

KEYWORDS: Adaptive optics, Telescopes, Spectrographs, Reconstruction algorithms, Planets, Autoregressive models, Wavefronts, Stars, Actuators, Wavefront sensors

Read Abstract +

Proceedings Article | 13 December 2020 Poster + Paper

MagAO-X first light

Jared Males, Laird Close, Olivier Guyon, Alexander Hedglen, Kyle Van Gorkom, Joseph Long, Maggie Kautz, Jennifer Lumbres, Lauren Schatz, Alexander Rodack, Kelsey Miller, David Doelman, Frans Snik, Steven Bos, Justin Knight, Katie Morzinski, Victor Gasho, Christoph Keller, Sebastiaan Haffert, Logan Pearce

Proceedings Volume 11448, 114484L (2020) https://doi.org/10.1117/12.2561682

KEYWORDS: Coronagraphy, Adaptive optics, Imaging systems, Liquid crystal on silicon, Wavefront sensors, Telescopes, Lanthanum, Observatories, Deformable mirrors, Microelectromechanical systems

Read Abstract +

Proceedings Article | 13 December 2020 Presentation + Paper

Prediction of the planet yield of the MaxProtoPlanetS high-contrast survey for H-alpha protoplanets with MagAO-X based on first light contrasts

Laird Close, Jared Males, Joseph Long, Kyle Van Gorkom, Alexander Hedglen, Maggie Kautz, Jennifer Lumbres, Sebastiaan Haffert, Katherine Follette, Kevin Wagner, Kelsey Miller, Daniel Apai, Ya-Lin Wu, Olivier Guyon, Lauren Schatz, Alex Rodack, David Doelman, Frans Snik, Justin Knight, Katie Morzinski, Victor Gasho, Christoph Keller, Logan Pearce, Alycia Weinberger, Laura Pérez, René Doyon

Proceedings Volume 11448, 114480U (2020) https://doi.org/10.1117/12.2561677

KEYWORDS: Imaging systems, Adaptive optics, Cameras, Actuators, Exoplanets, Planets, Hydrogen, Magnetism, Stars, Coronagraphy

Read Abstract +

Showing 5 of 14 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years