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X-ray observations of IC348 in light of an updated cluster census
B. Stelzer, G. Micela, E. Flaccomio +1
IC348 is an excellent laboratory for studies of low-mass star formation being nearby, compact and rich. A Chandra observation was carried out early in the satellite's lifetime. The…
X-ray properties of protostars in the Orion Nebula
L. Prisinzano, G. Micela, E. Flaccomio +8
The origin and evolution of the X-rays in very young stellar objects (YSOs) are not yet well understood since it is very hard to observe YSOs in the protostellar phase. We study th…
Results from Droxo. I. The variability of fluorescent Fe 6.4 keV emission in the young star Elias 29: High-energy electrons in the star's accretion tubes?
G. Giardino, F. Favata, I. Pillitteri +3
AIMS. We study the variability of the Fe 6.4 KeV emission line from the Class I young stellar object Elias 29 in the Rho-Oph cloud. METHODS. We analysed the data from Elias 29 coll…
X-ray flaring from the young stars in CygnusOB2
J. F. Albacete Colombo, M. Caramazza, E. Flaccomio +2
Aims: We characterize individual and ensemble properties of X-ray flares from stars in the CygOB2 and ONC star-forming regions. Method: We analyzed X-ray lightcurves of 1003 CygOB2…
X-ray Flares in Orion Low Mass Stars
M. Caramazza, E. Flaccomio, G. Micela +3
Context. X-ray flares are common phenomena in pre-main sequence stars. Their analysis gives insights into the physics at work in young stellar coronae. The Orion Nebula Cluster off…
Coronal Abundances in Orion Nebula Cluster Stars
A. Maggio, E. Flaccomio, F. Favata +4
Following the Chandra Orion Ultradeep Project (COUP) observation, we have studied the chemical composition of the hot plasma in a sample of 146 X-ray bright pre-main sequence stars…