Results 41 to 50 of about 3,335,678 (179)

HARPS-N @ TNG, two year harvesting data : performances and results [PDF]

, 2014
The planet hunter HARPS-N[1], in operation at the Telescopio Nazionale Galileo (TNG)[13] from April 2012 is a highresolution spectrograph designed to achieve a very high radial velocity precision measurement thanks to an ultra stable environment and in a
Latham, D.W., Ian Hughes, David Henry, Bezawada, N., Fatemeh Motalebi, Glenday, A.G., Emilio Molinari, Michel Fleury, Pepe, F., Charles Maire, Phillips, D.F., Rosario Cosentino, Manuel Gonzalez, Figueira, P., Nicolas Buchschacher, Fleury, M., Gonzalez, M., Udry, S., Andrew C. Cameron, Cosentino, R., Francesco Pepe, Stephane Udry, Alexander G. Glenday, Pedro Figueira, Henry, D., Naidu Bezawada, Molinari, E., Adriano Ghedina, David Forrest Phillips, Maire, C., David W. Latham, Hughes, I., Jose Guerra, Christophe Lovis, Buchschacher, N., Motalebi, F., Lovis, C., Cameron, A.C., Guerra, J., Ghedina, A., Cameron, A.C.; id_orcid   +40 more
core   +1 more source

Transiting Exoplanet Survey Satellite (TESS) Flight Dynamics Commissioning Results and Experiences [PDF]

, 2018
The Transiting Exoplanet Survey Satellite (TESS) will perform the first-ever spaceborne all-sky exoplanet transit survey and is the first primary-mission application of a lunar-resonant orbit.
Lebois, Ryan L., Lutz, Stephen, Michaels, Adam, Ferrant, Kevin, Parker, Joel J. K., Nickel, Craig   +5 more
core   +2 more sources

Elevated Eccentricities in the Radius Valley Hint at Water-rich Mini-Neptunes

The Astrophysical Journal
While recent planet-formation models broadly reproduce the observed population of super-Earths and mini-Neptunes, as well as the bimodal radius distribution (the “radius valley”), it remains unclear whether all these planets share a common rocky ...
Sho Shibata, Andre Izidoro
doaj   +1 more source

Validating AU Microscopii d with Transit Timing Variations

The Astronomical Journal, 2023
AU Mic is a young (22 Myr), nearby exoplanetary system that exhibits excess transit timing variations (TTVs) that cannot be accounted for by the two known transiting planets nor stellar activity.
Justin M. Wittrock, Peter P. Plavchan, Bryson L. Cale, Thomas Barclay, Mathis R. Ludwig, Richard P. Schwarz, Djamel Mékarnia, Amaury H. M. J. Triaud, Lyu Abe, Olga Suarez, Tristan Guillot, Dennis M. Conti, Karen A. Collins, Ian A. Waite, John F. Kielkopf, Kevin I. Collins, Stefan Dreizler, Mohammed El Mufti, Dax L. Feliz, Eric Gaidos, Claire S. Geneser, Keith D. Horne, Stephen R. Kane, Patrick J. Lowrance, Eder Martioli, Don J. Radford, Michael A. Reefe, Veronica Roccatagliata, Avi Shporer, Keivan G. Stassun, Christopher Stockdale, Thiam-Guan Tan, Angelle M. Tanner, Laura D. Vega   +33 more
doaj   +1 more source

Wide-Orbit Exoplanet Demographics [PDF]

, 2019
Astro2020 Science White paper 2019International audienceThe Kepler, K2 and TESS transit surveys are revolutionizing our understanding of planets orbiting close to their host stars and our understanding of exoplanet systems in general, but there remains a
Sahlmann, Johannes, Novati, Sebastiano Calchi, Bachelet, Etienne, Bennett, David P., Henderson, Calen B., Mulders, Gijs D., Ranc, Clement, Johnson, Samson A., Raymond, Sean N., Buzasi, Derek, Nielsen, Eric, Rogers, Leslie, Mullally, Susan, Christiansen, Jessie, Ngo, Henry, Plavchan, Peter, Endl, Michael, Bozza, Valerio, Gaudi, B. Scott, Poleski, Radek, Suzuki, Daisuke, Sumi, Takahiro, Bellini, Andrea, Shvartzvald, Yossi, Pascucci, Ilaria, Schlieder, Joshua, Boss, Alan, Calchi Novati, Sebastiano, Koshimoto, Naoki, Beaulieu, Jean-Phillipe, Domagal-Goldman, Shawn D., Meyer, Michael, Alibert, Yann, Bryson, Stephen, Bennett, David, Anderson, Jay, Akeson, Rachel, Fulton, Benjamin J., Nataf, David, Street, Rachel, Penny, Matthew, Sozzetti, Alessandro, Zimmerman, Neil, Murray-Clay, Ruth, Sahu, Kailash C., Bhattacharya, Aparna   +45 more
core   +3 more sources

Mesoscale Modeling of Titan’s Shangri‐La Region: The Impact of Surface Properties on Winds

Journal of Geophysical Research: Planets, Volume 131, Issue 10, October 2026.
Abstract The knowledge of Titan’s near‐surface atmosphere is sparse. The Huygens descent probe measured winds, and the multiple dune field observations and possible dust storms suggest active near‐surface dynamics. The Dragonfly rotorcraft lander will fly close to the surface in the Shangri‐La region, near the Huygens landing site, where complex dune ...
Maxence Lefèvre, Léa E. Bonnefoy, Aymeric Spiga, Bruno de Batz de Trenquelléon, Sébastien Lebonnois, Alexander G. Hayes   +5 more
wiley   +1 more source

Amplifying Resonant Repulsion with Inflated Young Planets, Overlooked Inner Planets, and Nonzero Initial Δ

The Astrophysical Journal
Most multiplanet systems around mature (∼5 Gyr old) host stars are nonresonant. Even the near-resonant planet pairs still display 1%–2% positive deviation from perfect period commensurabilities (Δ) near first-order mean motion resonances (MMRs). Resonant
Yuancheng Xu, Fei Dai
doaj   +1 more source

Propagation Dynamics of Fast Electron Beam and Its Electron Cyclotron Maser Emission

Journal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract Fast electron beams (FEBs) and coherent radio bursts both are very common plasma activity phenomena in the cosmos. The electron cyclotron maser (ECM) instability driven by FEBs trapped in magnetic fields can directly amplify radio wave radiations.
Ling Chen, Dejin Wu, Jianfei Tang, Guoqing Zhao   +3 more
wiley   +1 more source

Exoplanet imaging data challenge

, 2019
<p>Datasets for the Exoplanet imaging data challenge (<a href="https://exoplanet-imaging-challenge.github.io/">https://exoplanet-imaging-challenge.github.io</a>). </p ...
Carlos Alberto Gomez Gonzalez (7144439), Carlos Alberto Gomez Gonzalez   +1 more
core   +1 more source

Abiotic ozone and oxygen in atmospheres similar to prebiotic earth [PDF]

, 2014
The search for life on planets outside our solar system will use spectroscopic identification of atmospheric biosignatures. The most robust remotely detectable potential biosignature is considered to be the detection of oxygen (O2) or ozone (O3 ...
Domagal-Goldman, Shawn D., Robinson, T.D., Segura, A., Claire, Mark W., Claire, M.W., Meadows, Victoria S., Meadows, V.S., Domagal-Goldman, S.D., Robinson, Tyler D., Segura, Antigona, Claire, M.W.; id_orcid   +10 more
core   +1 more source