Results 141 to 150 of about 1,764,603 (268)

TOI-6695: A Pair of Near-resonant Massive Planets Observed with TESS from the WINE Survey

The Astronomical Journal
We present the discovery and characterization of a pair of warm Jovian-mass exoplanets orbiting the Sun-like star TOI-6695, based on Transiting Exoplanet Survey Satellite (TESS) transits and precise radial velocity (RV) measurements obtained with FEROS ...
Jan Eberhardt, Trifon Trifonov, Thomas Henning, Marcelo Tala Pinto, Rafael Brahm, Andrés Jordán, Nestor Espinoza, Matías I. Jones, Melissa J. Hobson, Felipe I. Rojas, Martin Schlecker, Lorena Acuña, Remo Burn, Gavin Boyle, Rodrigo Leiva, James McCormac, Nicholas Dunckel, Diana Dragomir, Jeffrey D. Crane, Stephen Shectman, Johanna K. Teske, David Osip, Arvind F. Gupta, Solène Ulmer-Moll, François Bouchy, Monika Lendl, Davide Gandolfi, George R. Ricker, Jon M. Jenkins, Sara Seager, Joshua N. Winn   +30 more
doaj   +1 more source

The TESS–Keck Survey. XXIV. Outer Giants May Be More Prevalent in the Presence of Inner Small Planets

The Astronomical Journal
We present the results of the Distant Giants Survey, a 3 yr radial velocity (RV) campaign to search for wide-separation giant planets orbiting Sun-like stars known to host an inner transiting planet.
Judah Van Zandt, Erik A. Petigura, Jack Lubin, Lauren M. Weiss, Emma V. Turtelboom, Tara Fetherolf, Joseph M. Akana Murphy, Ian J. M. Crossfield, Gregory J. Gilbert, Teo Močnik, Natalie M. Batalha, Courtney Dressing, Benjamin Fulton, Andrew W. Howard, Daniel Huber, Howard Isaacson, Stephen R. Kane, Paul Robertson, Arpita Roy, Isabel Angelo, Aida Behmard, Corey Beard, Ashley Chontos, Fei Dai, Steven Giacalone, Michelle L. Hill, Rae Holcomb, Steve B. Howell, Andrew W. Mayo, Daria Pidhorodetska, Alex S. Polanski, James Rogers, Lee J. Rosenthal, Ryan A. Rubenzahl, Nicholas Scarsdale, Dakotah Tyler, Samuel W. Yee, Jon Zink   +37 more
doaj   +1 more source

Accounting for Transit Timing Detectability: Biases in Planetary Radius and Orbital Period

The Astronomical Journal
Transit Timing Variations (TTVs) are deviations from the time an observer would expect to see an exoplanet transit its host star. In multiplanetary systems, significant TTVs may indicate the presence of another body in the system gravitationally ...
Skylar D’Angiolillo, Daniel Fabrycky, Mariah G. MacDonald   +2 more
doaj   +1 more source

Detection of Exoplanets with Machine Learning Techniques Through Transit Light-curve Analysis

The Astronomical Journal
Exoplanet detection is an active research area in astronomy. As the volume of astronomical data increases, there is a need for methods that can automate the data processing pipeline efficiently.
Mir Sakhawat Hossain, Md. Sadman
doaj   +1 more source

TOI-4201: An Early M Dwarf Hosting a Massive Transiting Jupiter Stretching Theories of Core Accretion

The Astrophysical Journal Letters
We confirm TOI-4201 b as a transiting Jovian-mass planet orbiting an early M dwarf discovered by the Transiting Exoplanet Survey Satellite. Using ground-based photometry and precise radial velocities from NEID and the Planet Finder Spectrograph, we ...
Megan Delamer, Shubham Kanodia, Caleb I. Cañas, Simon Müller, Ravit Helled, Andrea S. J. Lin, Jessica E. Libby-Roberts, Arvind F. Gupta, Suvrath Mahadevan, Johanna Teske, R. Paul Butler, Samuel W. Yee, Jeffrey D. Crane, Stephen Shectman, David Osip, Yuri Beletsky, Andrew Monson, Leslie Hebb, Luke C. Powers, John P. Wisniewski, Jaime A. Alvarado-Montes, Chad F. Bender, Jiayin Dong, Te Han, Joe P. Ninan, Paul Robertson, Arpita Roy, Christian Schwab, Guđmundur Stefánsson, Jason T. Wright   +29 more
doaj   +1 more source

LEO-Vetter: Fully Automated Flux- and Pixel-level Vetting of TESS Planet Candidates to Support Occurrence Rates

The Astronomical Journal
The Transiting Exoplanet Survey Satellite (TESS) has identified several thousand planet candidates orbiting a wide variety of stars, and has provided an exciting opportunity for demographic studies.
Michelle Kunimoto, Steve Bryson, Drayson Jaffee, Jason F. Rowe, Tansu Daylan, Steven Giacalone, Jack J. Lissauer, Michael R. B. Matesic, Susan E. Mullally, Yoshi Nike Emilia Eschen   +9 more
doaj   +1 more source

Exoplanet Analog Observations of Earth from Galileo Disk-integrated Photometry

The Astronomical Journal
The Galileo spacecraft had distant encounters with Earth in 1990 and 1992. Limited Solid State Imager (SSI) data acquired during these encounters has been previously presented, but the majority of the data from these Earth flybys have not been presented ...
Ryder H. Strauss, Tyler D. Robinson, David E. Trilling, Ryan Cummings, Christopher J. Smith   +4 more
doaj   +1 more source

GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2.5 Dwarf Star at 15.2 pc

The Astronomical Journal
We report the discovery of the transiting planet GJ 238 b, with a radius of 0.566 ± 0.014 R _⊕ (1.064 ± 0.026 times the radius of Mars) and an orbital period of 1.74 days. The transit signal was detected by the TESS mission and designated TOI-486.01. The
Evan Tey, Avi Shporer, Zifan Lin, Keivan G. Stassun, Jack J. Lissauer, Coel Hellier, Karen A. Collins, Kevin I. Collins, Geof Wingham, Howard M. Relles, Franco Mallia, Giovanni Isopi, John F. Kielkopf, Dennis M. Conti, Richard P. Schwarz, Aldo Zapparata, Steven Giacalone, Elise Furlan, Zachary D. Hartman, Steve B. Howell, Nicholas J. Scott, Carl Ziegler, César Briceño, Nicholas Law, Andrew W. Mann, David Charbonneau, Zahra Essack, Stephanie Striegel, George R. Ricker, Roland Vanderspek, Sara Seager, Joshua N. Winn, Jon M. Jenkins   +32 more
doaj   +1 more source

Simulation of the exoplanet detection by the transit method using the conical pendulum and smartphone

, 2021
Renato Rodrigues Barroso, A.L. de Oliveira, V L B de Jesus   +2 more
openalex   +1 more source

Can Isotopologues Be Used as Biosignature Gases in Exoplanet Atmospheres? [PDF]

Life (Basel), 2023
Glidden A, Seager S, Petkowski JJ, Ono S.   +3 more
europepmc   +1 more source