Zobrazeno 1 - 10
of 2 293
pro vyhledávání: '"Barkaoui A"'
Autor:
Heidari, N., H'ebrard, G., Martioli, E., Eastman, J. D., Jackson, J. M., Delfosse, X., Jord'an, A., Correia, A. C. M., Sousa, S., Dragomir, D., Forveille, T., Boisse, I., Giacalone, S. A., D'iaz, R. F., Brahm, R., Almasian, D., Almenara, J. M., Bieryla, A., Barkaoui, K., Baker, D., Barros, S. C. C ., Bonfils, X., Carmona, A., Collins, K. A., Cort'es-Zuleta, P., Deleuil, M., Demangeon, O. D. S., Edwards, B., Eberhardt, J., Espinoza, N., Eisner, N., Feliz, D. L., Frommer, A. C., Fukui, A., Grau, F., Gupta, A. F., Hara, N., Hobson, M. J., Henning, T., Howell, S. B., Jenkins, J. M., Kiefer, F., LaCourse, D. M., Laskar, J., Law, N., Mann, A. W., Murgas, F., Moutou, C., Narita, N., Palle, E., Relles, H. M., Stassun, K. G., Bell, J. Serrano, Schwarz, R. P., Srdoc, G., Strøm, P. A., Safonov, B., Sarkis, P., Schlecker, M., Pinto, M. Tala, Pepper, J., Rojas, F. I., Twicken, J. D., Trifonov, T., Villanueva Jr, S., Watkins, C. N., Winn, J. N., Ziegler, C.
We present the study of seven systems, three of which TOI-2295, TOI-2537, and TOI-5110 are newly discovered planetary systems. Through the analysis of TESS photometry, SOPHIE radial velocities, and high-spatial resolution imaging, we found that TOI-2
Externí odkaz:
http://arxiv.org/abs/2412.08527
Autor:
Zingales, T., Malavolta, L., Borsato, L., Turrini, D., Bonfanti, A., Polychroni, D., Mantovan, G., Nardiello, D., Nascimbeni, V., Lanza, A. F., Bekkelien, A., Sozzetti, A., Broeg, C., Naponiello, L., Lendl, M., Bonomo, A. S., Simon, A. E., Desidera, S., Piotto, G., Mancini, L., Hooton, M. J., Bignamini, A., Egger, J. A., Maggio, A., Alibert, Y., Locci, D., Delrez, L., Biassoni, F., Fossati, L., Cabona, L., Lacedelli, G., Carleo, I., Leonardi, P., Andreuzzi, G., Brandeker, A., Cosentino, R., Correia, A. C. M., Claudi, R., Alonso, R., Damasso, M., Wilson, T. G., Bàrczy, T., Pinamonti, M., Baker, D., Barkaoui, K., Navascues, D. Barrado, Barros, S. C. C., Baumjohann, W., Beck, T., Beichman, C., Benz, W., Bieryla, A., Billot, N., Bosch-Cabot, P., Bouma, L. G., Ciardi, D. R., Cameron, A. Collier, Collins, K. A., Crossfield, Ian J. M., Csizmadia, Sz., Cubillos, P. E., Davies, M. B., Deleuil, M., Deline, A., Demangeon, O. D. S., Demory, B. O., Derekas, A., Dragomir, D., Edwards, B., Ehrenreich, D., Erikson, A., Falk, B., Fortier, A., Fridlund, M., Fukui, A., Gandolfi, D., Gazeas, K., Gillon, M., Gonzales, E., Gudel, M., Guerra, P., Guunther, M. N., Heitzmann, A., Helling, Ch., Howell, S. B., Isaak, K. G., Jenkins, J., Kiss, L. L., Korth, J., Lam, K. W. F., Laskar, J., Etangs, A. Lecavelier des, Magrin, D., Matson, R., Matthews, E. C., Maxted, P. F. L., McDermott, S., Munari, M., Mordasini, C., Narita, N., Olofsson, G., Ottensamer, R., Pagano, I., Pallè, E., Peter, G., Pollacco, D., Queloz, D., Ragazzoni, R., Rando, N., Ratti, F., Rauer, H., Ribas, I., Salmon, S., Santos, N. C., Scandariato, G., Seager, S., Sègransan, D., Smith, A. M. S., Schlieder, J., Schwarz, R. P., Shporer, A., Sousa, S. G., Stalport, M., Steinberger, M., Sulis, S., Szabò, Gy. M., Twicken, J. D., Udry, S., Van Grootel, V., Venturini, J., Villaver, E., Walton, N. A., Winn, J. N.
We present the discovery of two mini Neptunes near a 2:1 orbital resonance configuration orbiting the K0 star TOI-1803. We describe their orbital architecture in detail and suggest some possible formation and evolution scenarios. Using CHEOPS, TESS,
Externí odkaz:
http://arxiv.org/abs/2412.05423
Autor:
Martinez, Romy Rodriguez, Eastman, Jason D., Collins, Karen, Rodriguez, Joseph, Charbonneau, David, Quinn, Samuel, Latham, David W., Ziegler, Carl, Brahm, Rafael, Fairnington, Tyler, Ulmer-Moll, Solene, Stassun, Keivan, Suarez, Olga, Guillot, Tristan, Hobson, Melissa, Winn, Joshua N., Kanodia, Shubham, Schlecker, Martin, Butler, R. P., Crane, Jeffrey D., Shectman, Steve, Teske, Johanna K., Osip, David, Beletsky, Yuri, Battley, Matthew P., Psaridi, Angelica, Figueira, Pedro, Lendl, Monika, Bouche, Francois, Udry, Stephane, Kunimoto, Michelle, Mekarnia, Dejamel, Abe, Lyu, Trifonov, Trifonov, Pinto, Marcelo T., Eberhardt, Jan, Espinoza, Nestor, Henning, Thomas, Jordan, Andres, Rojas, Felipe I., Barkaoui, Khalid, Relles, Howard M., Srdoc, Gregor, Collins, Kevin I., Seager, Sara, Shporer, Avi, Vezie, Michael, Hedges, Christina L., Mireles, Ismael
We present the detection and characterization of TOI-4994b (TIC 277128619b), a warm Saturn-sized planet discovered by the NASA Transiting Exoplanet Survey Satellite (TESS). TOI-4994b transits a G-type star (V = 12.6 mag) with a mass, radius, and effe
Externí odkaz:
http://arxiv.org/abs/2412.02769
Autor:
Crossfield, Ian J. M., Polanski, Alex S., Robertson, Paul, Murphy, Joseph Akana, Turtelboom, Emma V., Luque, Rafael, Beatty, Thomas, Daylan, Tansu, Isaacson, Howard, Brande, Jonathan, Kreidberg, Laura, Batalha, Natalie M., Huber, Daniel, Rhem, Maleah, Dressing, Courtney, Kane, Stephen R., Bossett, Malik, Gagnebin, Anna, Kroft, Maxwell A., Premnath, Pranav H., Rogers, Claire J., Collins, Karen A., Latham, David W., Watkins, Cristilyn N., Ciardi, David R., Howell, Steve B., Savel, Arjun B., Berlind, Perry, Calkins, Michael L., Esquerdo, Gilbert A., Mink, Jessica, Clark, Catherine A., Lund, Michael B., Matson, Rachel A., Everett, Mark E., Schlieder, Joshua E., Matthews, Elisabeth C., Giacalone, Steven, Barclay, Thomas, Zambelli, Roberto, Plavchan, Peter, Ellingson, Taylor, Bowen, Michael, Srdoc, Gregor, McLeod, Kim K., Schwarz, Richard P., Barkaoui, Khalid, Kamler, Jacob, Murgas, Felipe, Palle, Enric, Narita, Norio, Fukui, Akihiko, Relles, Howard M., Bieryla, Allyson, Girardin, Eric, Massey, Bob, Stockdale, Chris, Lewin, Pablo, Papini, Riccardo, Guerra, Pere, Conti, Dennis M., Yalcinkaya, Selcuk, Basturk, Ozgur, Mourad, Ghachoui
Sub-Neptunes - volatile-rich exoplanets smaller than Neptune - are intrinsically the most common type of planet known. However, the formation and nature of these objects, as well as the distinctions between sub-classes (if any), remain unclear. Two p
Externí odkaz:
http://arxiv.org/abs/2411.16836
Autor:
Sun, Qinghui, Wang, Sharon Xuesong, Gan, Tianjun, Ji, Chenyang, Lin, Zitao, Ting, Yuan-Sen, Teske, Johanna, Li, Haining, Liu, Fan, Hua, Xinyan, Tang, Jiaxin, Yu, Jie, Zhang, Jiayue, Badenas-Agusti, Mariona, Vanderburg, Andrew, Ricker, George R., Vanderspek, Roland, Latham, David W., Seager, Sara, Jenkins, Jon M., Schwarz, Richard P., Guillot, Tristan, Tan, Thiam-Guan, Conti, Dennis M., Collins, Kevin I., Srdoc, Gregor, Stockdale, Chris, Suarez, Olga, Zambelli, Roberto, Radford, Don, Barkaoui, Khalid, Evans, Phil, Bieryla, Allyson
The Sun is depleted in refractory elements compared to nearby solar twins, which may be linked to the formation of giant or terrestrial planets. Here we present high-resolution, high signal-to-noise spectroscopic data for 17 solar-like stars hosting
Externí odkaz:
http://arxiv.org/abs/2411.13825
Autor:
Distler, Adam, Soares-Furtado, Melinda, Vanderburg, Andrew, Schulte, Jack, Becker, Juliette, Mann, Andrew W., Howell, Steve B., Kraus, Adam L., Barkaoui, Khalid, Briceño, César, Collins, Karen A., Conti, Dennis, Jenkins, Jon M., Limbach, Mary Anne, Quinn, Samuel N., Turner, Jake D., Twicken, Joseph D., Schwarz, Richard P., Seager, Sara, Winn, Joshua N., Ziegler, Carl
We present the discovery and characterization of TOI-4364\,b, a young mini-Neptune in the tidal tails of the Hyades cluster, identified through TESS transit observations and ground-based follow-up photometry. The planet orbits a bright M dwarf ($K=9.
Externí odkaz:
http://arxiv.org/abs/2410.11990
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:
Castro-González, A., Lillo-Box, J., Armstrong, D. J., Acuña, L., Aguichine, A., Bourrier, V., Gandhi, S., Sousa, S. G., Delgado-Mena, E., Moya, A., Adibekyan, V., Correia, A. C. M., Barrado, D., Damasso, M., Winn, J. N., Santos, N. C., Barkaoui, K., Barros, S. C. C., Benkhaldoun, Z., Bouchy, F., Briceño, C., Caldwell, D. A., Collins, K. A., Essack, Z., Ghachoui, M., Gillon, M., Hounsell, R., Jehin, E., Jenkins, J. M., Keniger, M. A. F., Law, N., Mann, A. W., Nielsen, L. D., Pozuelos, F. J., Schanche, N., Seager, S., Tan, T. -G., Timmermans, M., Villaseñor, J., Watkins, C. N., Ziegler, C.
Publikováno v:
A&A 691, A233 (2024)
The Neptunian desert and savanna have been recently found to be separated by a ridge, an overdensity of planets in the $\simeq$3-5 days period range. These features are thought to be shaped by dynamical and atmospheric processes. However, their relat
Externí odkaz:
http://arxiv.org/abs/2409.18129
Autor:
Zhang, Michael, Bean, Jacob L., Wilson, David, Duvvuri, Girish, Schneider, Christian, Knutson, Heather A., Dai, Fei, Collins, Karen A., Watkins, Cristilyn N., Schwarz, Richard P., Barkaoui, Khalid, Shporer, Avi, Horne, Keith, Sefako, Ramotholo, Murgas, Felipe, Palle, Enric
TOI-836 is a $\sim2-3$ Gyr K dwarf with an inner super Earth ($R=1.7\,R_\oplus$, $P=3.8\,d$) and an outer mini Neptune ($R=2.6\,R_\oplus$, $P=8.6\,d$). Recent JWST/NIRSpec 2.8--5.2 $\mu$m observations have revealed flat transmission spectra for both
Externí odkaz:
http://arxiv.org/abs/2409.08318
Autor:
Mantovan, G., Wilson, T. G., Borsato, L., Zingales, T., Biazzo, K., Nardiello, D., Malavolta, L., Desidera, S., Marzari, F., Cameron, A. Collier, Nascimbeni, V., Majidi, F. Z., Montalto, M., Piotto, G., Stassun, K. G., Winn, J. N., Jenkins, J. M., Mignon, L., Bieryla, A., Latham, D. W., Barkaoui, K., Collins, K. A., Evans, P., Fausnaugh, M. M., Granata, V., Kostov, V., Mann, A. W., Pozuelos, F. J., Radford, D. J., Relles, H. M., Rowden, P., Seager, S., Tan, T. -G., Timmermans, M., Watkins, C. N.
Publikováno v:
A&A 691, A67 (2024)
Recent observations of giant planets have revealed unexpected bulk densities. Hot Jupiters, in particular, appear larger than expected for their masses compared to planetary evolution models, while warm Jupiters seem denser than expected. These diffe
Externí odkaz:
http://arxiv.org/abs/2409.07520