Water dissociation and rotational broadening in the atmosphere of KELT-20 b from high-resolution spectroscopy

Authors: Finnerty, Luke, Xin, Yinzi, Xuan, Jerry W., Inglis, Julie, Fitzgerald, Michael P., Agrawal, Shubh, Baker, Ashley, Bartos, Randall, Blake, Geoffrey A., Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppmann, Greg, Echeverri, Daniel, Horstman, Katelyn, Hsu, Chih-Chun, Jovanovic, Nemanja, Liberman, Joshua, López, Ronald A., Martin, Emily C., Mawet, Dimitri, Morris, Evan, Pezzato, Jacklyn, Ruffio, Jean-Baptiste, Sappey, Ben, Schofield, Tobias, Skemer, Andew, venenciano, Taylor, Wallace, J. Kent, Wallack, Nicole L., Wang, Jason J., Wang, Ji

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2503.01946

Revised Mass and Orbit of $\varepsilon$ Eridani b: A 1 Jupiter-Mass Planet on a Near-Circular Orbit

Authors: Thompson, William, Nielsen, Eric, Ruffio, Jean-Baptiste, Blunt, Sarah, Marois, Christian

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2502.20561

On the Orbit of the Binary Brown Dwarf Companion GL229 Ba and Bb

Authors: Thompson, William, Blakely, Dori, Xuan, Jerry W., Bouchard-Côté, Alexandre, Bourdarot, Guillaume, Biron-Lattes, Miguel, Campbell, Trevor, Eisenhauer, Frank, Henning, Thomas, Janson, Markus, Johnstone, Doug, Kammerer, Jens, Konopacky, Quinn, Lacour, Sylvestre, Marois, Christian, Mawet, Dimitri, Mérand, Antoine, Nguyen, Jayke Samson, Nielsen, Eric, Rickman, Emily, Ruffio, Jean-Baptiste, Surjanovic, Nikola, Wang, Jason J., Winterhalder, Thomas

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

Access URL: http://arxiv.org/abs/2502.05359

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

HD 206893 B at High Spectral Resolution with the Keck Planet Imager and Characterizer (KPIC)

Authors: Sappey, Ben, Konopacky, Quinn, O, Clarissa R. Do, Barman, Travis, Ruffio, Jean-Baptiste, Wang, Jason, Theissen, Christopher A., Finnerty, Luke, Xuan, Jerry, Hortsman, Katelyn, Mawet, Dimitri, Zhang, Yapeng, Inglis, Julie, Wallack, Nicole L., Sanghi, Aniket, Baker, Ashley, Bartos, Randall, Blake, Geoffrey A., Bond, Charlotte Z., Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppmann, Greg, Echeverri, Daniel, Fitzgerald, Michael P., Hsu, Chih-Chun, Jovanovic, Nemanja, Liberman, Joshua, Lopez, Ronald A., Martin, Emily C., Morris, Evan, Pezzato-Rovner, Jacklyn, Phillips, Caprice L., Ruane, Garreth, Schofield, Tobias, Skemer, Andrew, Venenciano, Taylor, Wallace, J. Kent, Wang, Ji, Wizinowich, Peter, Xin, Yinzi

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

Access URL: http://arxiv.org/abs/2501.13917

True mass and atmospheric composition of the non-transiting hot Jupiter HD 143105 b

Authors: Finnerty, Luke, Xin, Yinzi, Xuan, Jerry W., Inglis, Julie, Fitzgerald, Michael P, Agrawal, Shubh, Baker, Ashley, Blake, Geoffrey A., Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppman, Greg, Echeverri, Daniel, Horstman, Katelyn, Hsu, Chih-Chun, Jovanovic, Nemanja, Liberman, Joshua, López, Ronald A., Martin, Emily C., Mawet, Dimitri, Morris, Evan, Pezzato-Rovner, Jacklyn, Ruffio, Jean-Baptiste, Sappey, Ben, Schofield, Tobias, Skemer, Andrew, Venenciano, Taylor, Wallace, J. Kent, Wallack, Nicole L., Wang, Jason J., Wang, Ji

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2412.04552

PDS 70b Shows Stellar-like Carbon-to-oxygen Ratio

Authors: Hsu, Chih-Chun, Wang, Jason J., Blake, Geoffrey A., Xuan, Jerry W., Zhang, Yapeng, Ruffio, Jean-Baptiste, Horstman, Katelyn, Cronin, Julianne, Sappey, Ben, Xin, Yinzi, Finnerty, Luke, Echeverri, Daniel, Mawet, Dimitri, Jovanovic, Nemanja, Ó, Clarissa R. Do, Baker, Ashley, Bartos, Randall, Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppmann, Gregory W., Fitzgerald, Michael P., Liberman, Joshua, López, Ronald A., Morris, Evan, Pezzato-Rovner, Jacklyn, Schofield, Tobias, Skemer, Andrew, Wallace, J. Kent, Wang, Ji

Source: ApJL, 977, L47 (2024)

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

Access URL: http://arxiv.org/abs/2411.15117

Atmospheric abundances and bulk properties of the binary brown dwarf Gliese 229 Bab from JWST/MIRI spectroscopy

Authors: Xuan, Jerry W., Perrin, Marshall D., Mawet, Dimitri, Knutson, Heather A., Mukherjee, Sagnick, Zhang, Yapeng, Hoch, Kielan K., Wang, Jason J., Inglis, Julie, Wallack, Nicole L., Ruffio, Jean-Baptiste

Source: ApJL 977, L32 (2024)

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

Access URL: http://arxiv.org/abs/2411.10571

Exoplanet Imaging Data Challenge, phase II: Comparison of algorithms in terms of characterization capabilities

Authors: Cantalloube, Faustine, Christiaens, Valentin, Mitjans, Carles Cantero, Cioppa, Anthony, Nasedkin, Evert, Absil, Olivier, Delorme, Philippe, Wang, Jason J., Bonse, Markus J., Daglayan, Hazan, Dahlqvist, Carl-Henrik, Guyot, Nathan, Juillard, Sandrine, Mazoyer, Johan, Samland, Matthias, Sabalbal, Mariam, Ruffio, Jean-Baptiste, Van Droogenbroeck, Marc

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

Access URL: http://arxiv.org/abs/2410.17636

RV measurements of directly imaged brown dwarf GQ Lup B to search for exo-satellites

Authors: Horstman, Katelyn, Ruffio, Jean-Baptiste, Batygin, Konstantin, Mawet, Dimitri, Baker, Ashley, Hsu, Chih-Chun, Wang, Jason J., Wang, Ji, Blunt, Sarah, Xuan, Jerry W., Xin, Yinzi, Liberman, Joshua, Agrawal, Shubh, Konopacky, Quinn M., Blake, Geoffrey A., O, Clarissa R. Do, Bartos, Randall, Bond, Charlotte Z., Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppmann, Greg, Echeverri, Daniel, Finnerty, Luke, Fitzgerald, Michael P., Jovanovic, Nemanja, Lopez, Ronald, Martin, Emily C., Morris, Evan, Pezzato, Jacklyn, Ruane, Garreth, Sappey, Ben, Schofield, Tobias, Skemer, Andrew, Venenciano, Taylor, Wallace, J. Kent, Wallack, Nicole L., Wizinowich, Peter

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

Access URL: http://arxiv.org/abs/2408.10299

Fringing analysis and forward modeling of Keck Planet Imager and Characterizer (KPIC) spectra

Authors: Horstman, Katelyn A., Ruffio, Jean-Baptiste, Wang, Jason J., Hsu, Chih-Chun, Baker, Ashley, Finnerty, Luke, Xuan, Jerry, Echeverri, Daniel, Mawet, Dimitri, Blake, Geoffrey A., Bartos, Randall, Bond, Charlotte Z., Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppmann, Greg, Fitzgerald, Michael P., Jovanovic, Nemanja, Lopez, Ronald, Martin, Emily C., Morris, Evan, Pezzato, Jacklyn, Ruane, Garreth, Sappey, Ben, Schofield, Tobias, Skemer, Andrew, Venenciano, Taylor, Wallace, J. Kent, Wang, Ji, Wizinowich, Peter

Source: Proc. SPIE 13096, Ground-based and Airborne Instrumentation for Astronomy X, 130962E (18 July 2024)

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

Access URL: http://arxiv.org/abs/2408.10173

JWST-TST High Contrast: Spectroscopic Characterization of the Benchmark Brown Dwarf HD 19467 B with the NIRSpec Integral Field Spectrograph

Authors: Hoch, Kielan K. W., Theissen, Christopher A., Barman, Travis S., Perrin, Marshall D., Ruffio, Jean-Baptiste, Rickman, Emily, Konopacky, Quinn M., Manjavacas, Elena, Balmer, William O., Pueyo, Laurent, Kammerer, Jens, van der Marel, Roeland P., Lewis, Nikole K., Girard, Julien H., Seager, Sara, Clampin, Mark, Mountain, C. Matt

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

Access URL: http://arxiv.org/abs/2408.03830

A Survey of Protoplanetary Disks Using the Keck/NIRC2 Vortex Coronagraph

Authors: Wallack, Nicole L., Ruffio, Jean-Baptiste, Ruane, Garreth, Ren, Bin B., Xuan, Jerry W., Villenave, Marion, Mawet, Dimitri, Stapelfeldt, Karl, Wang, Jason J., Liu, Michael C., Absil, Olivier, Alvarez, Carlos, Bae, Jaehan, Bond, Charlotte, Bottom, Michael, Calvin, Benjamin, Choquet, Élodie, Christiaens, Valentin, Cook, Therese, Castellá, Bruno Femenía, Gonzalez, Carlos Gomez, Guidi, Greta, Huby, Elsa, Kastner, Joel, Knutson, Heather A., Meshkat, Tiffany, Ngo, Henry, Ragland, Sam, Reggiani, Maddalena, Ricci, Luca, Serabyn, Eugene, Uyama, Taichi, Williams, Jonathan P., Wizinowich, Peter, Zawol, Zoe, Zhang, Shangjia, Zhu, Zhaohuan

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

Access URL: http://arxiv.org/abs/2408.04048

The high-contrast performance of the Keck Planet Imager and Characterizer

Authors: Wang, Jason J., Mawet, Dimitri, Xuan, Jerry W., Hsu, Chih-Chun, Ruffio, Jean-Baptiste, Horstman, Katelyn, Xin, Yinzi, Delorme, Jacques-Robert, Jovanovic, Nemanja, Zhang, Yapeng, Finnerty, Luke, Baker, Ashley, Bartos, Randall, Blake, Geoffrey A., Calvin, Benjamin, Cetre, Sylvain, Doppmann, Gregory W., Echeverri, Daniel, Fitzgerald, Michael P., Liberman, Joshua, Lopez, Ronald, Morris, Evan, Pezzato-Rovner, Jacklyn, Sappey, Ben, Schofield, Tobias, Skemer, Andrew, Wallace, J. Kent, Wang, Ji

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

Access URL: http://arxiv.org/abs/2406.15028

Are these planets or brown dwarfs? Broadly solar compositions from high-resolution atmospheric retrievals of ~10-30 $M_\textrm{Jup}$ companions

Authors: Xuan, Jerry W., Hsu, Chih-Chun, Finnerty, Luke, Wang, Jason J., Ruffio, Jean-Baptiste, Zhang, Yapeng, Knutson, Heather A., Mawet, Dimitri, Mamajek, Eric E., Inglis, Julie, Wallack, Nicole L., Bryan, Marta L., Blake, Geoffrey A., Mollière, Paul, Hejazi, Neda, Baker, Ashley, Bartos, Randall, Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppmann, Greg, Echeverri, Daniel, Fitzgerald, Michael P., Jovanovic, Nemanja, Liberman, Joshua, López, Ronald A., Morris, Evan, Pezzato, Jacklyn, Sappey, Ben, Schofield, Tobias, Skemer, Andrew, Wallace, James K., Wang, Ji, Agrawal, Shubh, Horstman, Katelyn

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

Access URL: http://arxiv.org/abs/2405.13128

kappa And b is a fast rotator from KPIC High Resolution Spectroscopy

Authors: Morris, Evan C., Wang, Jason J., Hsu, Chih-Chun, Ruffio, Jean-Baptiste, Xuan, Jerry W., Delorme, Jacques-Robert, Hood, Callie, Bryan, Marta L., Martin, Emily C., Pezzato, Jacklyn, Mawet, Dimitri, Skemer, Andrew, Baker, Ashley, Bartos, Randall, Calvin, Benjamin, Cetre, Sylvain, Doppmann, Greg, Echeverri, Daniel, Finnerty, Luke, Fitzgerald, Michael P., Jovanovic, Nemanja, Liberman, Joshua, Lopez, Ronald, Sappey, Ben, Schofield, Tobias, Wallace, J. Kent, Wang, Ji

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2405.13125

Rotation and Abundances of the Benchmark Brown Dwarf HD 33632 Ab from Keck/KPIC High-resolution Spectroscopy

Authors: Hsu, Chih-Chun, Wang, Jason J., Xuan, Jerry W., Ruffio, Jean-Baptiste, Echeverri, Daniel, Xin, Yinzi, Liberman, Joshua, Finnerty, Luke, Morris, Evan, Horstman, Katelyn, Sappey, Ben, Doppmann, Gregory W., Mawet, Dimitri, Jovanovic, Nemanja, Fitzgerald, Michael P., Delorme, Jacques-Robert, Wallace, J. Kent, Baker, Ashley, Bartos, Randall, Blake, Geoffrey A., Calvin, Benjamin, Cetre, Sylvain, López, Ronald A., Pezzato, Jacklyn, Schofield, Tobias, Skemer, Andrew, Wang, Ji

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

Access URL: http://arxiv.org/abs/2405.08312

Orbital and Atmospheric Characterization of the 1RXS J034231.8+121622 System Using High-Resolution Spectroscopy Confirms That The Companion is a Low-Mass Star

Authors: Ó, Clarissa R. Do, Sappey, Ben, Konopacky, Quinn M., Ruffio, Jean-Baptiste, O'Neil, Kelly K., Do, Tuan, Martinez, Gregory, Barman, Travis S., Nguyen, Jayke S., Xuan, Jerry W., Theissen, Christopher A., Blunt, Sarah, Thompson, William, Hsu, Chih-Chun, Baker, Ashley, Bartos, Randall, Blake, Geoffrey A., Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppmann, Greg, Echeverri, Daniel, Finnerty, Luke, Fitzgerald, Michael P., Inglis, Julie, Jovanovic, Nemanja, López, Ronald A., Mawet, Dimitri, Morris, Evan, Pezzato, Jacklyn, Schofield, Tobias, Skemer, Andrew, Wallace, J. Kent, Wang, Jason J., Wang, Ji, Liberman, Joshua

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

Access URL: http://arxiv.org/abs/2404.07742

Vortex Fiber Nulling for Exoplanet Observations: First Direct Detection of M Dwarf Companions around HIP 21543, HIP 94666, and HIP 50319

Authors: Echeverri, Daniel, Xuan, Jerry W., Monnier, John D., Delorme, Jacques-Robert, Wang, Jason J., Jovanovic, Nemanja, Horstman, Katelyn, Ruane, Garreth, Mennesson, Bertrand, Serabyn, Eugene, Mawet, Dimitri, Wallace, J. Kent, Hillman, Sofia, Baker, Ashley, Bartos, Randall, Calvin, Benjamin, Cetre, Sylvain, Doppmann, Greg, Finnerty, Luke, Fitzgerald, Michael P., Hsu, Chih-Chun, Liberman, Joshua, Lopez, Ronald, Millar-Blanchaer, Maxwell, Morris, Evan, Pezzato, Jacklyn, Ruffio, Jean-Baptiste, Sappey, Ben, Schofield, Tobias, Skemer, Andrew J., Wang, Ji, Xin, Yinzi, Anugu, Narsireddy, Chhabra, Sorabh, Ibrahim, Noura, Kraus, Stefan, Schaefer, Gail H., Lanthermann, Cyprien

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

Access URL: http://arxiv.org/abs/2403.17295

Octofitter: Fast, Flexible, and Accurate Orbit Modelling to Detect Exoplanets

Authors: Thompson, William, Lawrence, Jensen, Blakely, Dori, Marois, Christian, Wang, Jason, Giordano, Mosé, Brandt, Timothy, Johnstone, Doug, Ruffio, Jean-Baptiste, Ammons, S. Mark, Crotts, Katie A., Ó, Clarissa R. Do, Gonzales, Eileen C., Rice, Malena

Source: The Astronomical Journal, Volume 166, Issue 4, id.164, 20 pp. 2024

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

Access URL: http://arxiv.org/abs/2402.01971