Zobrazeno 1 - 10
of 2 120
pro vyhledávání: '"Pezzato A."'
Autor:
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
GQ Lup B is one of the few substellar companions with a detected cicumplanetary disk, or CPD. Observations of the CPD suggest the presence of a cavity, possibly formed by an exo-satellite. Using the Keck Planet Imager and Characterizer (KPIC), a high
Externí odkaz:
http://arxiv.org/abs/2408.10299
Autor:
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
Publikováno v:
Proc. SPIE 13096, Ground-based and Airborne Instrumentation for Astronomy X, 130962E (18 July 2024)
The Keck Planet Imager and Characterizer (KPIC) combines high contrast imaging with high resolution spectroscopy (R$\sim$35,000 in K band) to study directly imaged exoplanets and brown dwarfs in unprecedented detail. KPIC aims to spectrally character
Externí odkaz:
http://arxiv.org/abs/2408.10173
Autor:
Zhang, Yapeng, Xuan, Jerry W., Mawet, Dimitri, Wang, Jason J., Hsu, Chih-Chun, Ruffio, Jean-Bapiste, Knutson, Heather A., Inglis, Julie, Blake, Geoffrey A., Chachan, Yayaati, Horstman, Katelyn, Baker, Ashley, Bartos, Randall, Calvin, Benjamin, Cetre, Sylvain, Delorme, Jacques-Robert, Doppmann, Greg, Echeverri, Daniel, Finnerty, Luke, Fitzgerald, Michael P., Jovanovic, Nemanja, Liberman, Joshua, López, Ronald A., Morris, Evan, Pezzato, Jacklyn, Sappey, Ben, Schofield, Tobias, Skemer, Andrew, Wallace, J. Kent, Wang, Ji, Ó, Clarissa R. Do
Young, self-luminous super-Jovian companions discovered by direct imaging provide a challenging test of planet formation and evolution theories. By spectroscopically characterizing the atmospheric compositions of these super-Jupiters, we can constrai
Externí odkaz:
http://arxiv.org/abs/2407.20952
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:
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:
Costes, J. C., Xuan, J. W., Vigan, A., Wang, J., D'Orazi, V., Mollière, P., Baker, A., Bartos, R., Blake, G. A., Calvin, B., Cetre, S., Delorme, J., Doppmann, G., Echeveri, D., Finnerty, L., Fitzgerald, M. P., Hsu, C., Jovanovic, N., Lopez, R., Mawet, D., Morris, E., Pezzato, J., Phillips, C. L., Ruffio, J., Sappey, B., Schneeberger, A., Schofield, T., Skemer, A. J., Wallace, J. K.
Publikováno v:
A&A 686, A294 (2024)
Context. High-resolution spectroscopy has the potential to drive a better understanding of the atmospheric composition, physics, and dynamics of young exoplanets and brown dwarfs, bringing clear insights into the formation channel of individual objec
Externí odkaz:
http://arxiv.org/abs/2404.11523
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