Circumstellar environment of 55 Cancri
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DOI: 10.1051/0004-6361/201937186
Abstract: Context. 55 Cancri hosts five known exoplanets, most notably the hot super-Earth 55 Cnc e, which is one of the hottest known transiting super-Earths. Aims. Due to the short orbital separation and host star brightness,… read more here.
Keywords: cancri; wind; field; stellar magnetic ... See more keywords
Measuring stellar magnetic helicity density
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DOI: 10.1093/mnras/staa297
Abstract: Helicity is a fundamental property of a magnetic field but to date it has only been possible to observe its evolution in one star – the Sun. In this paper, we provide a simple technique… read more here.
Keywords: helicity density; measuring stellar; density; stellar magnetic ... See more keywords
Numerical simulations of the interaction between the stellar magnetic field and a planet
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DOI: 10.1093/mnras/staf707
Abstract: Kepler and TESS observations led to the discovery of many close-in super Earths, including some with ultra-short orbital periods (≲ 1 day). During and shortly after their multi-Myr formation epoch, their GKM host stars generally have… read more here.
Keywords: super earths; field; numerical simulations; magnetic field ... See more keywords