85 citations · 557 across the 15 of their papers we have counts for
6 papers · 1 filter
Unveiling the Cygnus OB2 stellar population with Chandra
J. F. Albacete Colombo, E. Flaccomio, G. Micela +2
The aim of this work is to identify the so far unknown low mass stellar population of the ~2Myr old Cygnus OB2 region, and to investigate the X-ray and near-IR stellar properties o…
A statistical analysis of X-ray variability in pre-main sequence objects of the Taurus Molecular Cloud
B. Stelzer, E. Flaccomio, K. Briggs +5
This work is part of a systematic X-ray survey of the Taurus star forming complex with XMM-Newton. We study the time series of all X-ray sources associated with Taurus members, to…
XMM-Newton survey of two Upper Scorpius regions
C. Argiroffi, F. Favata, E. Flaccomio +4
We study X-ray emission from young stars by analyzing deep XMM-Newton observations of two regions of the Upper Scorpius association, having an age of 5 Myr. Based on near infrared…
A Simultaneous Optical and X-ray Variability Study of the Orion Nebula Cluster. I. Incidence of Time-Correlated X-ray/Optical Variations
Keivan G. Stassun, M. van den Berg, Eric Feigelson +1
We present a database of time-series photometry of the Orion Nebula Cluster obtained with two ground-based telescopes at different longitudes to provide simultaneous coverag…
ACIS-I observations of NGC2264. Membership and X-ray properties of PMS stars
E. Flaccomio, G. Micela, S. Sciortino
We analyze a deep, 100 ksec long, Chandra ACIS observation of NGC2264. We detect 420 sources, 85% of which are associated with known optical and NIR counterparts. More than 90% of…
Chandra X-Ray Observations of Young Clusters. III. NGC 2264 and the Orion Flanking Fields
L. M. Rebull, J. R. Stauffer, S. V. Ramirez +5
Chandra observations of solar-like pre-main sequence (PMS) stars in the Orion Flanking Fields (age ~1 Myr) and NGC 2264 (~3 Myr) are compared with the results of the COUP survey of…