271 citations · 3.4k across the 66 of their papers we have counts for
5 papers · 1 filter
Stellar flares and the dark energy of CMEs
Jeremy J. Drake, Ofer Cohen, Cecilia Garraffo +1
Flares we observe on stars in white light, UV or soft X-rays are probably harbingers of coronal mass ejections (CMEs). If we use the Sun as a guide, large stellar flares will dissi…
The Space Weather of Proxima Centauri b
Cecilia Garraffo, Jeremy J. Drake, Ofer Cohen
A planet orbiting in the "habitable zone" of our closest neighboring star, Proxima Centauri, has recently been discovered, and the next natural question is whether or not Proxima b…
Simulating the environment around planet-hosting stars - II. Stellar winds and inner astrospheres
J. D. Alvarado-Gómez, G. A. J. Hussain, O. Cohen +4
We present the results of a comprehensive numerical simulation of the environment around three exoplanet-host stars (HD 1237, HD 22049, and HD 147513). Our simulations consider one…
The Missing Magnetic Morphology Term in Stellar Rotation Evolution
Cecilia Garraffo, Jeremy J. Drake, Ofer Cohen
This study examines the relationship between magnetic field complexity and mass and angular momentum losses. Observations of open clusters have revealed a bimodal distribution of t…
Simulating the Environment Around Planet-Hosting Stars - I. Coronal Structure
J. D. Alvarado-Gómez, G. A. J. Hussain, O. Cohen +4
We present the results of a detailed numerical simulation of the circumstellar environment around three exoplanet-hosting stars. A state-of-the-art global magnetohydrodynamic (MHD)…