333 citations · 12.2k across the 357 of their papers we have counts for
11 papers · 1 filter
Chemical abundance studies of CP stars in open clusters
Luca Fossati
In stellar astrophysics, the study of the atmospheres of early-type stars plays a very special role. The atmospheres of these stars display a variety of different phenomena, such a…
A search for pulsations in the HgMn star HD 45975 with CoRoT photometry and ground-based spectroscopy
T. Morel, M. Briquet, M. Auvergne +28
The existence of pulsations in HgMn stars is still being debated. To provide the first unambiguous observational detection of pulsations in this class of chemically peculiar object…
The importance of non-photon noise in stellar spectropolarimetry. The spurious detection of a non-existing magnetic field in the A0 supergiant HD 92207
Stefano Bagnulo, Luca Fossati, Oleg Kochukhov +1
The low-resolution, Cassegrain mounted, FORS spectropolarimeter of the ESO Very Large Telescope is being extensively used for magnetic field surveys. Some of the new discoveries su…
A hot Jupiter transiting a mid-K dwarf found in the pre-OmegaCam Transit Survey
J. Koppenhoefer, R. P. Saglia, L. Fossati +13
We describe the pre-OmegaTranS project, a deep survey for transiting extra-solar planets in the Carina region of the Galactic Disk. In 2006-2008 we observed a single dense stellar…
Absorbing gas around the WASP-12 planetary system
L. Fossati, T. R. Ayres, C. A. Haswell +3
Near-UV observations of the planet host star WASP-12 uncovered the apparent absence of the normally conspicuous core emission of the Mg2 h&k resonance lines. This anomaly could be…
Regular frequency patterns in the young delta Scuti star HD 261711 observed by the CoRoT and MOST satellites
K. Zwintz, L. Fossati, D. B. Guenther +14
We concentrate on an asteroseismological study of HD 261711, a rather hot delta Scuti type pulsating member of the young open cluster NGC 2264 located at the blue border of the ins…