Results 41 to 50 of about 22,639,627 (262)

Revealing the Fate of Exoplanet Systems: Asteroseismic Identification of Host Star in the Red Clump or Red Giant Branch [PDF]

Astrophysical Journal Letters
Determining the evolutionary stage of stars is crucial for understanding the evolution of exoplanetary systems. In this context, red giant branch (RGB) and red clump (RC) stars, which formed at stages in the later evolution of stars situated before and ...
Wen-xu Lin, Sheng-Bang Qian, Li-ying Zhu
semanticscholar   +1 more source

Large Interferometer For Exoplanets (LIFE). II. Signal simulation, signal extraction, and fundamental exoplanet parameters from single-epoch observations [PDF]

Astronomy & Astrophysics, 2022
The Large Interferometer For Exoplanets (LIFE) initiative is developing the science and a technology roadmap for an ambitious space mission featuring a space-based mid-infrared (MIR) nulling interferometer in order to detect the thermal emission of ...
F. Dannert, Maurice Ottiger, S. Quanz, R. Laugier, Emile Fontanet, A. Gheorghe, O. Absil, Colin Dandumont, D. Defrére, C. Gasc'on, A. Glauser, J. Kammerer, T. Lichtenberg, H. Linz, J. Loicq, The Life Collaboration   +15 more
semanticscholar   +1 more source

Giant Outer Transiting Exoplanet Mass (GOT ’EM) Survey. III. Recovery and Confirmation of a Temperate, Mildly Eccentric, Single-transit Jupiter Orbiting TOI-2010

The Astronomical Journal, 2023
Large-scale exoplanet surveys like the Transiting Exoplanet Survey Satellite (TESS) mission are powerful tools for discovering large numbers of exoplanet candidates.
Christopher R. Mann, Paul A. Dalba, David Lafrenière, Benjamin J. Fulton, Guillaume Hébrard, Isabelle Boisse, Shweta Dalal, Magali Deleuil, Xavier Delfosse, Olivier Demangeon, Thierry Forveille, Neda Heidari, Flavien Kiefer, Eder Martioli, Claire Moutou, Michael Endl, William D. Cochran, Phillip MacQueen, Franck Marchis, Diana Dragomir, Arvind F. Gupta, Dax L. Feliz, Belinda A. Nicholson, Carl Ziegler, Steven Villanueva Jr., Jason Rowe, Geert Jan Talens, Daniel Thorngren, Daryll LaCourse, Tom Jacobs, Andrew W. Howard, Allyson Bieryla, David W. Latham, Markus Rabus, Tara Fetherolf, Coel Hellier, Steve B. Howell, Peter Plavchan, Michael Reefe, Deven Combs, Michael Bowen, Justin Wittrock, George R. Ricker, S. Seager, Joshua N. Winn, Jon M. Jenkins, Thomas Barclay, David Watanabe, Karen A. Collins, Jason D. Eastman, Eric B. Ting   +50 more
doaj   +1 more source

The Exoplanet Population Observation Simulator. I. The Inner Edges of Planetary Systems [PDF]

Astronomical Journal, 2018
The Kepler survey provides a statistical census of planetary systems out to the habitable zone. Because most planets are non-transiting, orbital architectures are best estimated using simulated observations of ensemble populations.
G. Mulders, I. Pascucci, D. Apai, F. Ciesla   +3 more
semanticscholar   +1 more source

TOI 4201 b and TOI 5344 b: Discovery of Two Transiting Giant Planets around M-dwarf Stars and Revised Parameters for Three Others

The Astronomical Journal, 2023
We present the discovery from the TESS mission of two giant planets transiting M-dwarf stars: TOI 4201 b and TOI 5344 b. We also provide precise radial velocity measurements and updated system parameters for three other M dwarfs with transiting giant ...
J. D. Hartman, G. Á. Bakos, Z. Csubry, A. W. Howard, H. Isaacson, S. Giacalone, A. Chontos, N. Narita, A. Fukui, J. P. de Leon, N. Watanabe, M. Mori, T. Kagetani, I. Fukuda, Y. Kawai, M. Ikoma, E. Palle, F. Murgas, E. Esparza-Borges, H. Parviainen, L. G. Bouma, M. Cointepas, X. Bonfils, J. M. Almenara, Karen A. Collins, Kevin I. Collins, Howard M. Relles, Khalid Barkaoui, Richard P. Schwarz, Ghachoui Mourad, Mathilde Timmermans, Georgina Dransfield, Artem Burdanov, Julien de Wit, Emmanuël Jehin, Amaury H. M. J. Triaud, Michaël Gillon, Zouhair Benkhaldoun, Keith Horne, Ramotholo Sefako, A. Jordán, R. Brahm, V. Suc, Steve B. Howell, E. Furlan, J. E. Schlieder, D. Ciardi, T. Barclay, E. J. Gonzales, I. Crossfield, C. D. Dressing, M. Goliguzova, A. Tatarnikov, George R. Ricker, Roland Vanderspek, David W. Latham, S. Seager, Joshua N. Winn, Jon M. Jenkins, Stephanie Striegel, Avi Shporer, Andrew Vanderburg, Alan M. Levine, Veselin B. Kostov, David Watanabe   +64 more
doaj   +1 more source

Speckle Observations of TESS Exoplanet Host Stars. II. Stellar Companions at 1–1000 au and Implications for Small Planet Detection [PDF]

Astronomical Journal, 2021
We present high-angular-resolution imaging observations of 517 host stars of TESS exoplanet candidates using the ‘Alopeke and Zorro speckle cameras at Gemini North and South.
K. Lester, R. Matson, S. Howell, E. Furlan, C. Gnilka, N. Scott, D. Ciardi, M. Everett, Z. Hartman, L. Hirsch   +9 more
semanticscholar   +1 more source

A nearby transiting rocky exoplanet that is suitable for atmospheric investigation [PDF]

Science, 2021
A transiting rocky planet 8 parsecs away Most exoplanets have been detected using either the radial velocity (RV) method or the transit method, which provide only limited information on the planet's physical properties.
T. Trifonov, J. Caballero, J. Morales, A. Seifahrt, I. Ribas, A. Reiners, J. Bean, R. Luque, H. Parviainen, E. Pallé, S. Stock, M. Zechmeister, P. Amado, G. Anglada-Escudé, M. Azzaro, T. Barclay, V. Béjar, P. Bluhm, N. Casasayas-Barris, C. Cifuentes, K. Collins, K. Collins, M. Cortés-Contreras, J. D. de Leon, S. Dreizler, C. Dressing, E. Esparza-Borges, N. Espinoza, M. Fausnaugh, A. Fukui, A. Hatzes, C. Hellier, T. Henning, C. Henze, E. Herrero, S. Jeffers, J. Jenkins, E. Jensen, A. Kaminski, D. Kasper, D. Kossakowski, M. Kürster, M. Lafarga, D. Latham, A. Mann, K. Molaverdikhani, D. Montes, B. Montet, F. Murgas, N. Narita, M. Oshagh, V. Passegger, D. Pollacco, S. Quinn, A. Quirrenbach, G. Ricker, C. Rodríguez López, J. Sanz-Forcada, R. Schwarz, A. Schweitzer, S. Seager, Avi Shporer, M. Stangret, J. Stürmer, T. Tan, P. Tenenbaum, J. Twicken, R. Vanderspek, J. Winn   +68 more
semanticscholar   +1 more source

Exoplanet Found in Curious Triple-Star System

Eos, 2016
The newly discovered planet balances precariously in orbit within the star system, puzzling scientists.
JoAnna Wendel
openalex   +2 more sources

Starshade rendezvous: exoplanet sensitivity and observing strategy [PDF]

Journal of Astronomical Telescopes Instruments and Systems, 2021
Launching a starshade to rendezvous with the Nancy Grace Roman Space Telescope (Roman) would provide the first opportunity to directly image the habitable zones (HZs) of nearby sunlike stars in the coming decade.
A. Romero-Wolf, G. Bryden, S. Seager, N. Kasdin, J. Booth, M. Greenhouse, D. Lisman, B. Macintosh, S. Shaklan, M. Vess, S. Warwick, D. Webb, J. Ziemer, Andrew Gray, M. Hughes, Greg A. Agnes, J. Arenberg, S. Bradford, M. Fong, J. Gregory, S. Matousek, J. Rhodes, P. Willems, S. D’Amico, J. Debes, S. Domagal‐Goldman, S. Hildebrandt, R. Hu, A. Kiessling, N. Lewis, M. Rizzo, A. Roberge, T. Robinson, L. Rogers, D. Savransky, C. Stark   +35 more
semanticscholar   +1 more source

Solar System Planets and Exoplanets

, 2021
Solar System planets have been studied for centuries, but the observation of exoplanets is only a few decades old. Consequently, knowledge of exoplanets is considerably more limited than Solar System planets. This chapter reviews the essential characteristics of Solar System planets and associated data derived from a variety of observational approaches.
openaire   +4 more sources