SIMBAD references

2018ApJ...854...72T - Astrophys. J., 854, 72-72 (2018/February-2)

Exoplanet-induced radio emission from M dwarfs.


Abstract (from CDS):

We consider the magnetic interaction of exoplanets orbiting M dwarfs, calculating the expected Poynting flux carried upstream along Alfven wings to the central star. A region of emission analogous to the Io footprint observed in Jupiter's aurora is produced, and we calculate the radio flux density generated near the surface of the star via the electron-cyclotron maser instability. We apply the model to produce individual case studies for the TRAPPIST-1, Proxima Centauri, and dwarf NGTS-1 systems. We predict steady-state flux densities of up to ∼10 µJy and sporadic bursts of emission of up to ∼1 mJy from each case study, suggesting these systems may be detectable with the Very Large Array and the Giant Metrewave Radio Telescope, and perhaps the Square Kilometre Array in the future. Finally, we present a survey of 85 exoplanets orbiting M dwarfs, identifying 11 such objects capable of generating radio emission above 10 µJy.

Abstract Copyright: © 2018. The American Astronomical Society.

Journal keyword(s): planets and satellites: magnetic fields - plasmas - radio continuum: planetary systems - stars: late-type

Simbad objects: 23

goto Full paper

goto View the reference in ADS

To bookmark this query, right click on this link: simbad:2018ApJ...854...72T and select 'bookmark this link' or equivalent in the popup menu


© Université de Strasbourg/CNRS

    • Contact