The Orbital Geometries and Stellar Obliquities of Exoplanet-hosting Multistar Systems [PDF]
The Astronomical JournalThe current orbital geometries of exoplanet systems offer a fossilized record of the systems’ dynamical histories. A particularly rich set of dynamical mechanisms is available to exoplanets residing in multistar systems, which may have their evolution ...
Malena Rice +2 more
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Evidence for Low-level Dynamical Excitation in Near-resonant Exoplanet Systems [PDF]
The Astronomical Journal, 2023 The geometries of near-resonant planetary systems offer a relatively pristine window into the initial conditions of exoplanet systems. Given that near-resonant systems have likely experienced minimal dynamical disruptions, the spin–orbit orientations of ...
Malena Rice +20 more
doaj +4 more sources
Sensitive Multibeam Targeted SETI Observations toward 33 Exoplanet Systems with FAST [PDF]
Astronomical Journal, 2022 As a major approach to looking for life beyond the Earth, the search for extraterrestrial intelligence (SETI) is committed to searching for technosignatures such as engineered radio signals that are indicative of technologically capable life.
Zhen-Zhao Tao +21 more
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Radio-loud Exoplanet-exomoon Survey: GMRT Search for Electron Cyclotron Maser Emission [PDF]
The Astronomical Journal, 2022 We conducted the first dedicated search for signatures of exoplanet–exomoon interactions using the Giant Metrewave Radio Telescope (GMRT) as part of the radio-loud exoplanet-exomoon survey.
Mayank Narang +5 more
doaj +2 more sources
Correlations between the stellar, planetary, and debris components of exoplanet systems observed by Herschel [PDF]
Astronomy & Astrophysics, 2014 Context. Stars form surrounded by gas- and dust-rich protoplanetary discs. Generally, these discs dissipate over a few (3–10) Myr, leaving a faint tenuous debris disc composed of second-generation dust produced by the attrition of larger bodies formed in
J. P. Marshall +20 more
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Variability of Known Exoplanet Host Stars Observed by TESS [PDF]
The Astronomical Journal, 2023 Both direct and indirect methods of exoplanet detection rely upon detailed knowledge of the potential host stars. Such stellar characterization allows for accurate extraction of planetary properties, as well as contributing to our overall understanding ...
Emilie R. Simpson +5 more
doaj +2 more sources
MEAN MOTION RESONANCES IN EXOPLANET SYSTEMS: AN INVESTIGATION INTO NODDING BEHAVIOR [PDF]
, 2012 Motivated by the large number of extrasolar planetary systems that are near mean motion resonances, this paper explores a related type of dynamical behavior known as “nodding.” Here, the resonance angle of a planetary system executes libration ...
Jacob A. Ketchum +2 more
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EVIDENCE OF POSSIBLE SPIN-ORBIT MISALIGNMENT ALONG THE LINE OF SIGHT IN TRANSITING EXOPLANET SYSTEMS [PDF]
, 2010 Of the 26 transiting exoplanet systems with measurements of the Rossiter–McLaughlin (RM) effect, eight have now been found to be significantly spin–orbit misaligned in the plane of the sky (i.e., RM misalignment angle |λ| ≳ 30° and inconsistent with λ ...
Kevin C. Schlaufman
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Application of Bayesian model inadequacy criterion for multiple data sets to radial velocity models of exoplanet systems [PDF]
, 2011 We present a simple mathematical criterion for determining whether a given statistical model does not describe several independent sets of measurements, or data modes, adequately.
Mikko Tuomi +2 more
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Planetpol polarimetry of the exoplanet systems 55 Cnc and τ Boo [PDF]
, 2009 ‘The definitive version is available at www.blackwell-synergy.com.’ Copyright Blackwell Publishing / Royal Astronomical ...
P. W. Lucas +5 more
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