Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Cetre, Sylvain"'
Autor:
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
The Keck Planet Imager and Characterizer (KPIC), a series of upgrades to the Keck II Adaptive Optics System and Instrument Suite, aims to demonstrate high-resolution spectroscopy of faint exoplanets that are spatially resolved from their host stars.
Externí odkaz:
http://arxiv.org/abs/2406.15028
Autor:
Sengupta, Aditya R., Diaz, Jordan, Gerard, Benjamin L., Jensen-Clem, Rebecca, Dillon, Daren, DeMartino, Matthew, Bundy, Kevin, Cetre, Sylvain, Chambouleyron, Vincent
Exoplanet direct imaging using adaptive optics (AO) is often limited by non-common path aberrations (NCPAs) and aberrations that are invisible to traditional pupil-plane wavefront sensors (WFSs). This can be remedied by focal-plane (FP) WFSs that cha
Externí odkaz:
http://arxiv.org/abs/2406.07771
Autor:
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
Using Keck Planet Imager and Characterizer (KPIC) high-resolution ($R$~35000) spectroscopy from 2.29-2.49 $\mu$m, we present uniform atmospheric retrievals for eight young substellar companions with masses of ~10-30 $M_\textrm{Jup}$, orbital separati
Externí odkaz:
http://arxiv.org/abs/2405.13128
Autor:
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
We used the Keck Planet Imager and Characterizer (KPIC) to obtain high-resolution (R$\sim$35,000) K-band spectra of kappa Andromedae b, a planetary-mass companion orbiting the B9V star, kappa Andromedae A. We characterized its spin, radial velocity,
Externí odkaz:
http://arxiv.org/abs/2405.13125
Autor:
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
We present the projected rotational velocity and molecular abundances for HD 33632 Ab obtained via Keck Planet Imager and Characterizer high-resolution spectroscopy. HD 33632 Ab is a nearby benchmark brown dwarf companion at a separation of $\sim$20
Externí odkaz:
http://arxiv.org/abs/2405.08312
Autor:
Ó, Clarissa R. Do, Sappey, Ben, Konopacky, Quinn M., Ruffio, Jean-Baptiste, O'Neil, Kelly K., Do, Tuan, Martinez, Gregory, Barman, Travis S., Nguyen, Jayke S., Xuan, Jerry W., Theissen, Christopher A., Blunt, Sarah, Thompson, William, Hsu, Chih-Chun, Baker, Ashley, Bartos, Randall, Blake, Geoffrey A., Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppmann, Greg, Echeverri, Daniel, Finnerty, Luke, Fitzgerald, Michael P., Inglis, Julie, Jovanovic, Nemanja, López, Ronald A., Mawet, Dimitri, Morris, Evan, Pezzato, Jacklyn, Schofield, Tobias, Skemer, Andrew, Wallace, J. Kent, Wang, Jason J., Wang, Ji, Liberman, Joshua
The 1RXS J034231.8+121622 system consists of an M dwarf primary and a directly imaged low-mass stellar companion. We use high resolution spectroscopic data from Keck/KPIC to estimate the objects' atmospheric parameters and radial velocities (RVs). Us
Externí odkaz:
http://arxiv.org/abs/2404.07742
Autor:
Echeverri, Daniel, Xuan, Jerry W., Monnier, John D., Delorme, Jacques-Robert, Wang, Jason J., Jovanovic, Nemanja, Horstman, Katelyn, Ruane, Garreth, Mennesson, Bertrand, Serabyn, Eugene, Mawet, Dimitri, Wallace, J. Kent, Hillman, Sofia, Baker, Ashley, Bartos, Randall, Calvin, Benjamin, Cetre, Sylvain, Doppmann, Greg, Finnerty, Luke, Fitzgerald, Michael P., Hsu, Chih-Chun, Liberman, Joshua, Lopez, Ronald, Millar-Blanchaer, Maxwell, Morris, Evan, Pezzato, Jacklyn, Ruffio, Jean-Baptiste, Sappey, Ben, Schofield, Tobias, Skemer, Andrew J., Wang, Ji, Xin, Yinzi, Anugu, Narsireddy, Chhabra, Sorabh, Ibrahim, Noura, Kraus, Stefan, Schaefer, Gail H., Lanthermann, Cyprien
Vortex fiber nulling (VFN) is a technique for detecting and characterizing faint companions at small separations from their host star. A near-infrared ($\sim2.3 \mu$m) VFN demonstrator mode was deployed on the Keck Planet Imager and Characterizer (KP
Externí odkaz:
http://arxiv.org/abs/2403.17295
Autor:
Gomes, Tiago, Correia, Carlos M., Bardou, Lisa, Cetre, Sylvain, Kolb, Johann, Kulcsár, Caroline, Leroux, François, Morris, Timothy, Morujão, Nuno, Neichel, Benoît, Beuzit, Jean-Luc, Garcia, Paulo
The amount of Adaptive Optics (AO) telemetry generated by VIS/NIR ground-based observatories is ever greater, leading to a growing need for a standardised data exchange format to support performance analysis and AO research and development activities
Externí odkaz:
http://arxiv.org/abs/2312.08300
Autor:
Xuan, Jerry W., Wang, Jason J., Finnerty, Luke, Horstman, Katelyn, Grimm, Simon, Peck, Anne, Nielsen, Eric L., Knutson, Heather A., Mawet, Dimitri, Isaacson, Howard, Howard, Andrew W., Liu, Michael C., Walker, Sam, Phillips, Mark, Blake, Geoffrey, Ruffio, Jean-Baptiste, Zhang, Yapeng, Inglis, Julie, Wallack, Nicole L., Sanghi, Aniket, Gonzales, Erica, Dai, Fei, Baker, Ashley, Bartos, Randall, Bond, Charlotte, Bryan, Marta L., Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppmann, Greg, Echeverri, Daniel, Fitzgerald, Michael P., Jovanovic, Nemanja, Liberman, Joshua, López, Ronald A., Martin, Emily C., Morris, Evan, Pezzato, Jacklyn, Ruane, Garreth, Sappey, Ben, Schofield, Tobias, Skemer, Andrew, Venenciano, Taylor, Wallace, James K., Wang, Ji, Wizinowich, Peter, Xin, Yinzi, Agrawal, Shubh, Ó, Clarissa R. Do, Hsu, Chih-Chun, Phillips, Caprice
M dwarfs are common host stars to exoplanets but often lack atmospheric abundance measurements. Late-M dwarfs are also good analogs to the youngest substellar companions, which share similar $T_{\rm eff}\sim2300-2800~K$. We present atmospheric analys
Externí odkaz:
http://arxiv.org/abs/2312.02297
Autor:
Finnerty, Luke, Xuan, Jerry W., Xin, Yinzi, Liberman, Joshua, Schofield, Tobias, Fitzgerald, Michael P., Agrawal, Shubh, Baker, Ashley, Bartos, Randall, Blake, Geoffrey A., Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppman, Greg, Echeverri, Daniel, Hsu, Chih-Chun, Jovanovic, Nemanja, López, Ronald A., Martin, Emily C., Mawet, Dimitri, Morris, Evan, Pezzato, Jacklyn, Ruffio, Jean-Baptiste, Sappey, Ben, Skemer, Andrew, Venenciano, Taylor, Wallace, J. Kent, Wallack, Nicole L., Wang, Jason J., Wang, Ji
We present high-resolution $K$-band emission spectra of the quintessential hot Jupiter HD 189733 b from the Keck Planet Imager and Characterizer (KPIC). Using a Bayesian retrieval framework, we fit the dayside pressure-temperature profile, orbital ki
Externí odkaz:
http://arxiv.org/abs/2312.00141