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High-precision CoRoT space photometry and fundamental parameter determination of the B2.5V star HD 48977
Anne Thoul, Pieter Degroote, Claude Catala +10
We present the CoRoT light curve of the bright B2.5V star HD 48977 observed during a short run of the mission in 2008, as well as a high-resolution spectrum gathered with the HERME…
Constraining magnetic-activity modulations in 3~solar-like stars observed by CoRoT and NARVAL
S. Mathur, R. A. Garcia, A. Morgenthaler +5
Stellar activity cycles are the manifestation of dynamo process running in the stellar interiors. They have been observed during years to decades thanks to the measurement of stell…
A high-resolution spectropolarimetric survey of Herbig Ae/Be stars - II. Rotation
E. Alecian, G. A. Wade, C. Catala +5
We report the analysis of the rotational properties of our sample of Herbig Ae/Be (HAeBe) and related stars for which we have obtained high-resolution spectropolarimetric observati…
A high-resolution spectropolarimetric survey of Herbig Ae/Be stars - I. Observations and measurements
E. Alecian, G. A. Wade, C. Catala +7
This is the first in a series of papers in which we describe and report the analysis of a large survey of Herbig Ae/Be stars in circular spectropolarimetry. Using the ESPaDOnS and…
The CoRoT B-type binary HD50230: a prototypical hybrid pulsator with g-mode period and p-mode frequency spacings
P. Degroote, C. Aerts, E. Michel +14
B-type stars are promising targets for asteroseismic modelling, since their frequency spectrum is relatively simple. We deduce and summarise observational constraints for the hybri…
The stellar wind cycles and planetary radio emission of the Tau Boo system
A. A. Vidotto, R. Fares, M. Jardine +5
Tau Boo is an intriguing planet-host star that is believed to undergo magnetic cycles similar to the Sun, but with a duration that is about one order of magnitude smaller than that…