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A detailed spectroscopic analysis of the open cluster NGC 5460
L. Fossati, C. P. Folsom, S. Bagnulo +5
Within the context of a large project aimed at studying early F-, A- and late B-type stars we present the abundance analysis of the photospheres of 21 members of the open cluster N…
A photometric long-term study of CP stars in open clusters
E. Paunzen, H. Hensberge, H. M. Maitzen +5
Photometric variability of chemically peculiar (CP) stars of the upper main sequence is closely connected to their local stellar magnetic field and their rotational period. Long te…
A detailed spectropolarimetric analysis of the planet hosting star WASP-12
L. Fossati, S. Bagnulo, A. Elmasli +9
The knowledge of accurate stellar parameters is paramount in several fields of stellar astrophysics, particularly in the study of extrasolar planets, where often the star is the on…
Chemical composition of A and F dwarfs members of the Hyades open cluster
M. Gebran, M. Vick, R. Monier +1
Abundances of 15 chemical elements have been derived for 28 F and 16 A stars members of the Hyades open cluster in order to set constraints on self-consistent evolutionary models i…
Metals in the Exosphere of the Highly Irradiated Planet WASP-12b
L. Fossati, C. A. Haswell, C. S. Froning +17
We present near-UV transmission spectroscopy of the highly irradiated transiting exoplanet WASP-12b, obtained with the Cosmic Origins Spectrograph on the Hubble Space Telescope. Th…
An In-Depth Spectroscopic Analysis of the Blazhko Star RR Lyr. I. Characterisation of the star: abundance analysis and fundamental parameters
Katrien Kolenberg, Luca Fossati, Denis Shulyak +4
The knowledge of accurate stellar parameters is a keystone in several fields of stellar astrophysics, such as asteroseismology and stellar evolution. Although the fundamental param…