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Related papers: ROME III. The Arecibo Search for Star-Planet Inter…

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Exoplanetary systems are prime targets for the Search for Extraterrestrial Intelligence (SETI). With the recent uptick in the identification of candidate and confirmed exoplanets through the work of missions like the Transiting Exoplanet…

Magnetic fields are observed everywhere in the universe. In this review, we concentrate on the observational aspects of the magnetic fields of Galactic and extragalactic objects. Readers can follow the milestones in the observations of…

Astrophysics · Physics 2014-10-13 J. L. Han , R. Wielebinski

Reflected starlight measurements will open a new path in the characterization of directly imaged exoplanets. However, we still lack a population study of known targets amenable to this technique. Here, we investigate which of the about 4300…

Earth and Planetary Astrophysics · Physics 2021-07-07 Óscar Carrión-González , Antonio García Muñoz , Juan Cabrera , Szilárd Csizmadia , Nuno C. Santos , Heike Rauer

Radio emission has been detected in a broad variety of stellar objects from all stages of stellar evolution. However, most of our knowledge originates from targeted observations of small samples, which are strongly biased to sources which…

Solar and Stellar Astrophysics · Physics 2015-10-07 G. Umana , C. Trigilio , T. M. O. Franzen , R. P. Norris , P. Leto , A. Ingallinera , C. S. Buemi , C. Agliozzo , F. Cavallaro , L. Cerrigone

We present a new analysis of the expected magnetospheric radio emission from extrasolar giant planets for a distance limited sample of the nearest known extrasolar planets. Using recent results on the correlation between stellar X-ray flux…

Astrophysics · Physics 2009-11-10 Ian R. Stevens

Close-in gas giants are expected to have a strong magnetic field of $\sim 10-100$G. Magnetic fields in extrasolar giant planets are detectable by future radio observations in $\gtrsim 10$MHz and the spectropolarimetry of atomic lines. In…

Earth and Planetary Astrophysics · Physics 2021-02-24 Yasunori Hori

Our knowledge of the Solar System, encourages us to beleive that we might expect exomoons to be present around some of the known exoplanets. With present hardware and existing optical astronomy methods we shall not be able to find exomoons…

Earth and Planetary Astrophysics · Physics 2017-12-20 Dragan Lukic

Stellar variability induce by starspots can hamper the detection of exoplanets and bias planet property estimations. These features can also be used to study star-planet interactions as well as inferring properties from the underlying…

Solar and Stellar Astrophysics · Physics 2015-06-17 Conrad Vilela , John Southworth , Carlos del Burgo

We report radio SETI observations on a large number of known exoplanets and other nearby star systems using the Allen Telescope Array (ATA). Observations were made over about 19000 hours from May 2009 to Dec 2015. This search focused on…

All types of interaction of a magnetized plasma flow with an obstacle (magnetized or not) are considered, and those susceptible to produce a radio signature are identified. The role of the sub-Alfv\'enic or super-Alfv\'enic character of the…

Earth and Planetary Astrophysics · Physics 2024-09-25 Philippe Zarka

Since planets were first discovered outside our own Solar System in 1992 (around a pulsar) and in 1995 (around a main sequence star), extrasolar planet studies have become one of the most dynamic research fields in astronomy. Now that more…

Earth and Planetary Astrophysics · Physics 2009-10-06 Giammarco Campanella

Radio emission from star planet interactions (SPI) beyond our solar system has yet to be firmly detected, primarily due to challenges such as weak signals, directional beaming effects, and low frequency emissions that are blocked by the…

Solar and Stellar Astrophysics · Physics 2025-11-17 J. J. Chebly , C. K. Louis , A. Strugarek , J. D. Alvarado-Gómez , P. Zarka

Radio Exploration of Planetary Habitability was the fifth in the series of American Astronomical Society's Topical Conference Series. Notable aspects of the conference included the interdisciplinary nature of both the topics and the…

Earth and Planetary Astrophysics · Physics 2017-07-10 T. Joseph W. Lazio , A. Wolszczan , M. Güdel , Rachel A. Osten , Jan Forbrich , M. M. Jardine , P. K. G. Williams

Jupiter's radio emission has been linked to its planetary-scale magnetic field, and spacecraft investigations have revealed that most planets, and some moons, have or had a global magnetic field. Generated by internal dynamos, magnetic…

This paper reports a blind search for magnetospheric emissions from planets around nearby stars. Young stars are likely to have much stronger stellar winds than the Sun, and because planetary magnetospheric emissions are powered by stellar…

Earth and Planetary Astrophysics · Physics 2015-05-14 T. Joseph W. Lazio , S. Carmichael , J. Clark , E. Elkins , P. Gudmundsen , Z. Mott , M. Szwajkowski , L. A. Hennig

In the past two decades, it has been convincingly argued that magnetospheric radio emissions, of cyclotron maser origin, can occur for exoplanetary systems, similarly as solar planets, with the same periodicity as the planetary orbit. These…

Earth and Planetary Astrophysics · Physics 2023-11-17 E. Mauduit , J. -M. Griessmeier , P. Zarka , J. D. Turner

Determining magnetic field properties in different environments of the cosmic large-scale structure as well as their evolution over redshift is a fundamental step toward uncovering the origin of cosmic magnetic fields. Radio observations…

Studying the internal structure of exoplanets-host stars compared to that of similar stars without detected planets is particularly important for the understanding of planetary formation. The observed overmetallicity of stars around which…

Astrophysics · Physics 2007-05-23 Sylvie Vauclair

The intense star formation in starburst galaxies results in the formation of intense winds that sweep matter up to several kpc out of the galactic plane. These winds can be detected in many bands of the electromagnetic spectrum. In this…

Astrophysics of Galaxies · Physics 2024-08-01 C. A. Galante , J. Saponara , G. E. Romero , P. Benaglia

We search for radio emission from star-planet interactions in the M-dwarf system GJ~486, which hosts an Earth-like planet. We observed the GJ~486 system with the upgraded Giant Metrewave Radio Telescope (uGMRT) from 550 to 750 MHz in nine…

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