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Results from DROXO IV. EXTraS discovery of an X-ray flare from the Class I protostar candidate ISO-Oph 85
Daniele Pizzocaro, Beate Stelzer, Roberta Paladini +15
X-ray emission from Young Stellar Objects (YSOs) is crucial to understand star formation. A very limited amount of X-ray results is available for the protostellar (ClassI) phase. A…
Coordinated X-ray and Optical observations of Star-Planet Interaction in HD 17156
A. Maggio, I. Pillitteri, G. Scandariato +14
The large number of close-in Jupiter-size exoplanets prompts the question whether star-planet interaction (SPI) effects can be detected. We focused our attention on the system HD 1…
The GAPS Programme with HARPS-N at TNG. X. Differential abundances in the XO-2 planet hosting binary
K. Biazzo, R. Gratton, S. Desidera +26
Binary stars hosting exoplanets are a unique laboratory where chemical tagging can be performed to measure with high accuracy the elemental abundances of both stellar components, w…
The GAPS Programme with HARPS-N at TNG. VII. Putting exoplanets in the stellar context: magnetic activity and asteroseismology of Bootis A
F. Borsa, G. Scandariato, M. Rainer +34
Aims. We observed the Boo system with the HARPS-N spectrograph to test a new observational strategy aimed at jointly studying asteroseismology, the planetary orbit, and star-pl…
FUV variability of HD 189733. Is the star accreting material from its hot Jupiter?
I. Pillitteri, A. Maggio, G. Micela +3
Hot Jupiters are subject to strong irradiation from the host stars and, as a consequence, they do evaporate. They can also interact with the parent stars by means of tides and magn…