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The polarization mode of the auroral radio emission from the early-type star HD142301
P. Leto, C. Trigilio, L. M. Oskinova +12
We report the detection of the auroral radio emission from the early-type magnetic star HD142301. New VLA observations of HD142301 detected highly polarized amplified emission occu…
Outstanding X-ray emission from the stellar radio pulsar CU Virginis
J. Robrade, L. M. Oskinova, J. H. M. M. Schmitt +2
We present X-ray observations of CU Vir performed with XMM-Newton and Chandra. With Lx = 3 x 10^28 erg/s the source is moderately X-ray bright, but its spectrum is extremely hard c…
Detection of Alpha Centauri at radio wavelengths: chromospheric emission and search for star-planet interaction
C. Trigilio, G. Umana, F. Cavallaro +6
At radio wavelengths, solar-type stars emit thermal free-free and gyroresonance, gyrosynchrotron, and impulsive coherent emission. Thermal free-free emission originates at layers w…
A combined multiwavelength VLA/ALMA/Chandra study unveils the complex magnetosphere of the B-type star HR5907
P. Leto, C. Trigilio, L. M. Oskinova +9
We present new radio/millimeter measurements of the hot magnetic star HR5907 obtained with the VLA and ALMA interferometers. We find that HR5907 is the most radio luminous early ty…