Zobrazeno 1 - 10
of 91
pro vyhledávání: '"A. Bello-Arufe"'
Autor:
Liu, Quanyi, Zhu, Wei, Masuda, Kento, Libby-Roberts, Jessica E., Bello-Arufe, Aaron, Canas, Caleb I.
We present constraints on the shape of Kepler-51d, which is a super-puff with a mass $\sim6\,M_\oplus$ and a radius $\sim9\,R_\oplus$, based on detailed modeling of the transit light curve from JWST NIRSpec. The projected shape of this extremely low-
Externí odkaz:
http://arxiv.org/abs/2410.07977
Autor:
Masuda, Kento, Libby-Roberts, Jessica E., Livingston, John H., Stevenson, Kevin B., Gao, Peter, Vissapragada, Shreyas, Fu, Guangwei, Han, Te, Greklek-McKeon, Michael, Mahadevan, Suvrath, Agol, Eric, Bello-Arufe, Aaron, Berta-Thompson, Zachory, Canas, Caleb I., Chachan, Yayaati, Hebb, Leslie, Hu, Renyu, Kawashima, Yui, Knutson, Heather A., Morley, Caroline V., Murray, Catriona A., Ohno, Kazumasa, Tokadjian, Armen, Zhang, Xi, Welbanks, Luis, Nixon, Matthew C., Freedman, Richard, Narita, Norio, Fukui, Akihiko, de Leon, Jerome P., Mori, Mayuko, Palle, Enric, Murgas, Felipe, Parviainen, Hannu, Esparza-Borges, Emma, Jontof-Hutter, Daniel, Collins, Karen A., Benni, Paul, Barkaoui, Khalid, Pozuelos, Francisco J., Gillon, Michael, Jehin, Emmanuel, Benkhaldoun, Zouhair, Hawley, Suzanne, Lin, Andrea S. J., Stefansson, Gudmundur, Bieryla, Allyson, Yilmaz, Mesut, Senavci, Hakan Volkan, Girardin, Eric, Marino, Giuseppe, Wang, Gavin
Kepler-51 is a $\lesssim 1\,\mathrm{Gyr}$-old Sun-like star hosting three transiting planets with radii $\approx 6$-$9\,R_\oplus$ and orbital periods $\approx 45$-$130\,\mathrm{days}$. Transit timing variations (TTVs) measured with past Kepler and Hu
Externí odkaz:
http://arxiv.org/abs/2410.01625
Autor:
Oza, Apurva V., Seidel, Julia V., Hoeijmakers, H. Jens, Unni, Athira, Kesseli, Aurora Y., Schmidt, Carl A., Thirupathi, Sivarani, Bello-Arufe, Aaron, Gebek, Andrea, Westram, Moritz Meyer zu, Sousa, Sérgio G., Lopes, Rosaly M. C., Hu, Renyu, de Kleer, Katherine, Fisher, Chloe, Charnoz, Sébastien, Baker, Ashley D., Halverson, Samuel P., Schneider, Nicholas M., Psaridi, Angelica, Wyttenbach, Aurélien, Torres, Santiago, Bhatnagar, Ishita, Johnson, Robert E.
Neutral sodium (Na I) is an alkali metal with a favorable absorption cross section such that tenuous gases are easily illuminated at select transiting exoplanet systems. We examine both the time-averaged and time-series alkali spectral flux individua
Externí odkaz:
http://arxiv.org/abs/2409.19844
Autor:
Patel, J. A., Brandeker, A., Kitzmann, D., de la Roche, D. J. M. Petit dit, Bello-Arufe, A., Heng, K., Valdés, E. Meier, Persson, C. M., Zhang, M., Demory, B. -O., Bourrier, V., Deline, A., Ehrenreich, D., Fridlund, M., Hu, R., Lendl, M., Oza, A. V., Alibert, Y., Hooton, M. J.
Publikováno v:
A&A 690, A159 (2024)
The nature of the close-in rocky planet 55 Cnc e is puzzling despite having been observed extensively. Its optical and infrared occultation depths show temporal variability, in addition to a phase curve variability observed in the optical. We wish to
Externí odkaz:
http://arxiv.org/abs/2407.12898
Autor:
Powell, Diana, Feinstein, Adina D., Lee, Elspeth K. H., Zhang, Michael, Tsai, Shang-Min, Taylor, Jake, Kirk, James, Bell, Taylor, Barstow, Joanna K., Gao, Peter, Bean, Jacob L., Blecic, Jasmina, Chubb, Katy L., Crossfield, Ian J. M., Jordan, Sean, Kitzmann, Daniel, Moran, Sarah E., Morello, Giuseppe, Moses, Julianne I., Welbanks, Luis, Yang, Jeehyun, Zhang, Xi, Ahrer, Eva-Maria, Bello-Arufe, Aaron, Brande, Jonathan, Casewell, S. L., Crouzet, Nicolas, Cubillos, Patricio E., Demory, Brice-Olivier, Dyrek, Achrène, Flagg, Laura, Hu, Renyu, Inglis, Julie, Jones, Kathryn D., Kreidberg, Laura, López-Morales, Mercedes, Lagage, Pierre-Olivier, Valdés, Erik A. Meier, Miguel, Yamila, Parmentier, Vivien, Piette, Anjali A. A., Rackham, Benjamin V., Radica, Michael, Redfield, Seth, Stevenson, Kevin B., Wakeford, Hannah R., Aggarwal, Keshav, Alam, Munazza K., Batalha, Natalie M., Batalha, Natasha E., Benneke, Björn, Berta-Thompson, Zach K., Brady, Ryan P., Caceres, Claudio, Carter, Aarynn L., Désert, Jean-Michel, Harrington, Joseph, Iro, Nicolas, Line, Michael R., Lothringer, Joshua D., MacDonald, Ryan J., Mancini, Luigi, Molaverdikhani, Karan, Mukherjee, Sagnick, Nixon, Matthew C., Oza, Apurva V., Palle, Enric, Rustamkulov, Zafar, Sing, David K., Steinrueck, Maria E., Venot, Olivia, Wheatley, Peter J., Yurchenko, Sergei N.
Publikováno v:
Nature 626, 979-983 (2024)
The recent inference of sulphur dioxide (SO$_2$) in the atmosphere of the hot ($\sim$1100 K), Saturn-mass exoplanet WASP-39b from near-infrared JWST observations suggests that photochemistry is a key process in high temperature exoplanet atmospheres.
Externí odkaz:
http://arxiv.org/abs/2407.07965
Autor:
Hu, Renyu, Bello-Arufe, Aaron, Zhang, Michael, Paragas, Kimberly, Zilinskas, Mantas, van Buchem, Christiaan, Bess, Michael, Patel, Jayshil, Ito, Yuichi, Damiano, Mario, Scheucher, Markus, Oza, Apurva V., Knutson, Heather A., Miguel, Yamila, Dragomir, Diana, Brandeker, Alexis, Demory, Brice-Olivier
Characterizing rocky exoplanets is a central endeavor of astronomy, and yet the search for atmospheres on rocky exoplanets has hitherto resulted in either tight upper limits on the atmospheric mass or inconclusive results. The 1.95-REarth and 8.8-MEa
Externí odkaz:
http://arxiv.org/abs/2405.04744
Autor:
Dash, Spandan, Brogi, Matteo, Gandhi, Siddharth, Lafarga, Marina, Meech, Annabella, Bello-Arufe, Aaron, Wheatley, Peter J.
Observations of cooler atmospheres of super-Earths and Neptune sized objects often show flat transmission spectra. The most likely cause of this trend is the presence of aerosols (i.e. clouds and hazes) in the atmospheres of such objects. High-resolu
Externí odkaz:
http://arxiv.org/abs/2404.06648
LHS 1140 b is a small planet orbiting in the habitable zone of its M4.5V dwarf host. Recent mass and radius constraints have indicated that it has either a thick H$_2$-rich atmosphere or substantial water by mass. Here we present a transmission spect
Externí odkaz:
http://arxiv.org/abs/2403.13265
Autor:
Initiative, TRAPPIST-1 JWST Community, de Wit, Julien, Doyon, René, Rackham, Benjamin V., Lim, Olivia, Ducrot, Elsa, Kreidberg, Laura, Benneke, Björn, Ribas, Ignasi, Berardo, David, Niraula, Prajwal, Iyer, Aishwarya, Shapiro, Alexander, Kostogryz, Nadiia, Witzke, Veronika, Gillon, Michaël, Agol, Eric, Meadows, Victoria, Burgasser, Adam J., Owen, James E., Fortney, Jonathan J., Selsis, Franck, Bello-Arufe, Aaron, de Beurs, Zoë, Bolmont, Emeline, Cowan, Nicolas, Dong, Chuanfei, Drake, Jeremy J., Garcia, Lionel, Greene, Thomas, Haworth, Thomas, Hu, Renyu, Kane, Stephen R., Kervella, Pierre, Koll, Daniel, Krissansen-Totton, Joshua, Lagage, Pierre-Olivier, Lichtenberg, Tim, Lustig-Yaeger, Jacob, Lingam, Manasvi, Turbet, Martin, Seager, Sara, Barkaoui, Khalid, Bell, Taylor J., Burdanov, Artem, Cadieux, Charles, Charnay, Benjamin, Cloutier, Ryan, Cook, Neil J., Correia, Alexandre C. M., Dang, Lisa, Daylan, Tansu, Delrez, Laetitia, Edwards, Billy, Fauchez, Thomas J., Flagg, Laura, Fraschetti, Federico, Haqq-Misra, Jacob, Huang, Ziyu, Iro, Nicolas, Jayawardhana, Ray, Jehin, Emmanuel, Jin, Meng, Kite, Edwin, Kitzmann, Daniel, Kral, Quentin, Lafrenière, David, Libert, Anne-Sophie, Liu, Beibei, Mohanty, Subhanjoy, Morris, Brett M., Murray, Catriona A., Piaulet, Caroline, Pozuelos, Francisco J., Radica, Michael, Ranjan, Sukrit, Rathcke, Alexander, Roy, Pierre-Alexis, Schwieterman, Edward W., Turner, Jake D., Triaud, Amaury, Way, Michael J.
Publikováno v:
Nature Astronomy (2024) 8, 810-818
Ultra-cool dwarf stars are abundant, long-lived, and uniquely suited to enable the atmospheric study of transiting terrestrial companions with JWST. Amongst them, the most prominent is the M8.5V star TRAPPIST-1 and its seven planets. While JWST Cycle
Externí odkaz:
http://arxiv.org/abs/2310.15895
Autor:
Bello-Arufe, Aaron, Knutson, Heather A., Mendonça, João M., Zhang, Michael M., Cabot, Samuel H. C., Rathcke, Alexander D., Ulla, Ana, Vissapragada, Shreyas, Buchhave, Lars A.
Extremely low-density exoplanets are tantalizing targets for atmospheric characterization because of their promisingly large signals in transmission spectroscopy. We present the first analysis of the atmosphere of the lowest-density gas giant current
Externí odkaz:
http://arxiv.org/abs/2307.06356