Technical description and performance of the phase II version of the Keck Planet Imager and Characterizer

Authors: Jovanovic, Nemanja, Echeverri, Daniel, Delorme, Jacques-Robert, Finnerty, Luke, Schofield, Tobias, Wang, Jason J., Xin, Yinzi, Xuan, Jerry, Wallacee, J. Kent, Mawet, Dimitri, Sanghi, Aniket, Baker, Ashley, Bartos, Randall, Bond, Charlotte Z., Calvin, Benjamin, Cetre, Sylvain, Doppmann, Greg, Fitzgerald, Michael P., Fucik, Jason, Gao, Maodong, Ge, Jinhao, Guthery, Charlotte, Horstman, Katelyn, Hsud, Chih-Chun, Liberman, Joshua, Leifer, Stephanie, Lilley, Scott, Lopez, Ronald, Marin, Eduardo, Martin, Emily C., Mennesson, Bertrand, Morris, Evan, Nash, Reston, Pezzato, Jacklyn, Porter, Michael, Roberts, Mitsuko, Ruane, Garreth, Ruffio, Jean-Baptiste, Sappey, Ben, Serabyn, Eugene, Shen, Boqiang, Skemer, Andrew, Wang, Ji, Wetherell, Edward, Wizinowich, Peter, Salama, Maissa, Chambouleyron, Vincent, Jensen-Clem, Rebecca, Beichman, Chas

Source: Journal of Astronomical Telescopes, Instruments, and Systems, Vol. 11, Issue 1, 015005 (February 2025)

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics, Physics - Optics

Access URL: http://arxiv.org/abs/2502.01863

SCExAO/CHARIS Spectroscopic Characterization of Cloudy L/T Transition Companion Brown Dwarf HIP 93398 B

Authors: Lewis, Briley, Li, Yiting, Gibbs, Aidan, Fitzgerald, Michael P., Brandt, Timothy, Gagliuffi, Daniella Bardalez, An, Qier, Chen, Minghan, Bowens-Rubin, Rachel, Salama, Maissa, Lozi, Julien, Jensen-Clem, Rebecca, Mazin, Ben

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2411.06003

Coronagraph-based wavefront sensors for the high Strehl regime

Authors: Chambouleyron, Vincent, Wallace, J. Kent, Jensen-Clem, Rebecca, Macintosh, Bruce

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2410.18000

Real-time control and data standardization on various telescopes and benches

Authors: Skaf, Nour, Jensen-Clem, Rebecca, Hunter, Aaron, Guyon, Olivier, Deo, Vincent, Hinz, Phil, Cetre, Sylvain, Chambouleyron, Vincent, Fowler, J., Sengupa, Aditya, Salama, Maissa, Males, Jared, McEwen, Eden, Douglas, Ewan S., Van Gorkom, Kyle, Por, Emiel, Lucas, Miles, Ferreira, Florian, Sevin, Arnaud, Bowens-Rubin, Rachel, Cranney, Jesse, Calvin, Ben

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2409.13126

Reconstruction methods for the phase-shifted Zernike wavefront sensor

Authors: Chambouleyron, Vincent, Cissé, Mahawa, Salama, Maïssa, Haffert, Sebastiaan, Déo, Vincent, Guthery, Charlotte, Wallace, J. Kent, Dillon, Daren, Jensen-Clem, Rebecca, Hinz, Phil, Macintosh, Bruce

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2409.04547

Implementation and Characterization of the Vector Vortex Coronagraph on the SEAL Testbed

Authors: Moreno, Ashai, Chambouleyron, Vincent, Jensen-Clem, Rebecca M., Dillon, Daren, Hinz, Philip M., Macintosh, Bruce

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2408.06487

The Keck-HGCA Pilot Survey II: Direct Imaging Discovery of HD 63754 B, a ~20 au Massive Companion Near the Hydrogen Burning Limit

Authors: Li, Yiting, Brandt, Timothy D., Franson, Kyle, An, Qier, Tobin, Taylor, Currie, Thayne, Chen, Minghan, Wang, Lanxuan, Dupuy, Trent J., Bowens-Rubin, Rachel, Salama, Maissa, Lewis, Briley L., Gibbs, Aidan, Bowler, Brendan P., Jensen-Clem, Rebecca, Faherty, Jacqueline, Fitzgerald, Michael P., Mazin, Benjamin A.

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2408.01546

Subaru/CHARIS High-Resolution Mode Spectroscopy of the Brown Dwarf Companion HD 33632 Ab

Authors: Gibbs, Aidan, Lewis, Briley, Fitzgerald, Michael, Brandt, Timothy, Chen, Minghan, Li, Yiting, Bowens-Rubin, Rachel, Jensen-Clem, Rebecca, Mazin, Benjamin

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2407.17531

Towards understanding interactions between the AO system and segment co-phasing with the vector-Zernike wavefront sensor on Keck

Authors: Salama, Maïssa, Guthery, Charlotte, Chambouleyron, Vincent, Jensen-Clem, Rebecca, Wallace, J. Kent, Troy, Mitchell, Delorme, Jacques-Robert, Dillon, Daren, Echeverri, Daniel, Yeyuan, Xin, Hao, Wen, Xuan, Jovanovic, Nemanja, Mawet, Dimitri, Wizinowich, Peter L., Bowens-Rubin, Rachel

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2407.16791

The future looks dark: improving high contrast imaging with hyper-parameter optimization for data-driven predictive wavefront control

Authors: Fowler, J., Jensen-Clem, Rebecca, van Kooten, Maaike A. M., Chambouleyron, Vincent, Cetre, Sylvain

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2407.11187

Laboratory demonstration of an all-fiber-based focal plane nulling interferometer

Authors: Diaz, Jordan, Jensen-Clem, Rebecca, Dillon, Daren, Hinz, Philip M., DeMartino, Matthew C., Bundy, Kevin, Eikenberry, Stephen, Delfyett, Peter, Amezcua-Correa, Rodrigo

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2407.07230

Photonic lantern wavefront reconstruction in a multi-wavefront sensor single-conjugate adaptive optics system

Authors: Sengupta, Aditya R., Diaz, Jordan, Gerard, Benjamin L., Jensen-Clem, Rebecca, Dillon, Daren, DeMartino, Matthew, Bundy, Kevin, Cetre, Sylvain, Chambouleyron, Vincent

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2406.07771

Keck Primary Mirror Closed-Loop Segment Control using a Vector-Zernike Wavefront Sensor

Authors: Salama, Maissa, Guthery, Charlotte, Chambouleyron, Vincent, Jensen-Clem, Rebecca, Wallace, J. Kent, Delorme, Jacques-Robert, Troy, Mitchell, Wenger, Tobias, Echeverri, Daniel, Finnerty, Luke, Jovanovic, Nemanja, Liberman, Joshua, Lopez, Ronald A., Mawet, Dimitri, Morris, Evan C., van Kooten, Maaike, Wang, Jason J., Wizinowich, Peter, Xin, Yinzi, Xuan, Jerry

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2404.08728

SHIMM as an atmospheric profiler on the Nickel Telescope

Authors: Jackson, Ollie, van Kooten, Maaike A. M., Perera, Saavidra, Jensen-Clem, Rebecca, Hinz, Phil

Source: Proceedings of the SPIE, Volume 12680, id. 126801V (2023)

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2310.08713

The Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy (SCALES): driving science cases and expected outcomes

Authors: Sallum, Steph, Skemer, Andrew, Stelter, Deno, Banyal, Ravinder, Batalha, Natalie, Batalha, Natasha, Blake, Geoff, Brandt, Tim, Briesemeister, Zack, de Kleer, Katherine, de Pater, Imke, Desai, Aditi, Eisner, Josh, Fong, Wen-fai, Greene, Tom, Honda, Mitsuhiko, Jensen-Clem, Rebecca, Kain, Isabel, Kilpatrick, Charlie, Kupke, Renate, Lach, Mackenzie, Liu, Michael C., Macintosh, Bruce, Martinez, Raquel A., Mawet, Dimitri, Miles, Brittany, Morley, Caroline, Powell, Diana, Sethuram, Ramya, Sheehan, Patrick, Spilker, Justin, Stone, Jordan, Surya, Arun, Thirupathi, Sivarani, Unni, Athira, Wagner, Kevin, Zhou, Yifan

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2310.07134

Using the Gerchberg-Saxton algorithm to reconstruct non-modulated pyramid wavefront sensor measurements

Authors: Chambouleyron, Vincent, Sengupta, Aditya, Salama, Maïssa, van Kooten, Maaike A. M, Gerard, Benjamin L., Haffert, Sebastiaan Y., Cetre, Sylvain, Dillon, Daren, Kupke, Renate, Jensen-Clem, Rebecca, Hinz, Phil, Macintosh, Bruce

Source: A&A 681, A48 (2024)

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2309.14283

A Wolf 359 in sheep's clothing: Hunting for substellar companions in the fifth-closest system using combined high-contrast imaging and radial velocity analysis

Authors: Bowens-Rubin, Rachel, Murphy, Joseph M. Akana, Hinz, Philip M., Limbach, Mary Anne, Seifahrt, Andreas, Kiman, Rocio, Salama, Maïssa, Mukherjee, Sagnick, Brady, Madison, Carter, Aarynn L., Jensen-Clem, Rebecca, van Kooten, Maaike A. M., Isaacson, Howard, Kosiarek, Molly, Bean, Jacob L., Kasper, David, Luque, Rafael, Stefánsson, Gudmundur, Stürmer, Julian

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2309.03402

Deformable mirror-based pupil chopping for exoplanet imaging and adaptive optics

Authors: Soto, Javier Perez, Laguna, Cesar, Gerard, Benjamin L., Dattilo, Anne, Chambouleyron, Vincent, Jensen-Clem, Rebecca

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2308.14855

First laboratory demonstration of real-time multi-wavefront sensor single conjugate adaptive optics

Authors: Gerard, Benjamin L., Dillon, Daren, Cetre, Sylvain, Jensen-Clem, Rebecca

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2308.05863

Astrometric Accelerations as Dynamical Beacons: A Giant Planet Imaged Inside the Debris Disk of the Young Star AF Lep

Authors: Franson, Kyle, Bowler, Brendan P., Zhou, Yifan, Pearce, Tim D., Gagliuffi, Daniella C. Bardalez, Biddle, Lauren, Brandt, Timothy D., Crepp, Justin R., Dupuy, Trent J., Faherty, Jacqueline, Jensen-Clem, Rebecca, Morgan, Marvin, Sanghi, Aniket, Theissen, Christopher A., Tran, Quang H., Wolf, Trevor A.

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2302.05420