395 citations · 2.6k across the 82 of their papers we have counts for
6 papers · 1 filter
Giant coronal loops dominate the quiescent X-ray emission in rapidly rotating M stars
O. Cohen, R. Yadav, C. Garraffo +5
Observations indicate that magnetic fields in rapidly rotating stars are very strong, on both small and large scales. What is the nature of the resulting corona? Here we seek to sh…
Gas absorption and dust extinction towards the Orion Nebula Cluster
Birgit Hasenberger, Jan Forbrich, Joao Alves +4
We characterise the relation between the gas and dust content of the interstellar medium towards young stellar objects in the Orion Nebula Cluster. X-ray observations provide estim…
The first stars of the Rho Ophiuchi Dark Cloud. XMM-Newton view of Rho Oph and its neighbors
Ignazio Pillitteri, Scott J. Wolk, Hope H. Chen +1
Star formation in molecular clouds can be triggered by the dynamical action of winds from massive stars. Furthermore, X-ray and UV fluxes from massive stars can influence the life…
Hubble Space Telescope: Snapshot Survey for Resolved Companions of Galactic Cepheids
Nancy Remage Evans, Howard E. Bond, Gail H. Schaefer +4
We have conducted an imaging survey with the Hubble Space Telescope Wide Field Camera~3 (WFC3) of 70 Galactic Cepheids, typically within 1~kpc, with the aim of finding resolved phy…
A star forming ring around Kappa Ori 250 pc from the Sun
I. Pillitteri, S. J. Wolk, S. T. Megeath
X-rays are a powerful probe of activity in early stages of star formation. They allow us to identify young stars even after they have lost the IR signatures of circumstellar disks…
Resolved Companions of Cepheids: Testing the Candidates with X-Ray Observations
Nancy Remage Evans, Ignazio Pillitteri, Scott Wolk +7
We have made {\it XMM-Newton\/} observations of 14 Galactic Cepheids that have candidate resolved (5$\arcsec$) companion stars based on our earlier {\it HST\/} WFC3 imaging s…