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A Galactic Origin for the Local Ionized X-ray Absorbers
Taotao Fang, Christopher McKee, Claude Canizares +1
Recent Chandra and XMM observations of distant quasars have shown strong local (z~0) X-ray absorption lines from highly ionized gas, primarily He-like oxygen. The nature of these X…
On the Hydrodynamic Interaction of Shock Waves with Interstellar Clouds. II. The Effect of Smooth Cloud Boundaries on Cloud Destruction and Cloud Turbulence
Fumitaka Nakamura, Christopher F. McKee, Richard I. Klein +1
The effect of smooth cloud boundaries on the interaction of steady planar shock waves with interstellar clouds is studied using a high-resolution local AMR technique with a second-…
Stars Form By Gravitational Collapse, Not Competitive Accretion
Mark R. Krumholz, Christopher F. McKee, Richard I. Klein
There are now two dominant models of how stars form: gravitational collapse theory holds that star-forming molecular clumps, typically hundreds to thousands of solar masses in mass…
Bondi-Hoyle Accretion in a Turbulent Medium
Mark R. Krumholz, Christopher F. McKee, Richard I. Klein
The Bondi-Hoyle formula gives the approximate accretion rate onto a point particle accreting from a uniform medium. However, in many situations accretion onto point particles occur…
Cosmic Ray Acceleration at the Forward Shock in Tycho's Supernova Remnant: Evidence from Chandra X-ray Observations
J. S. Warren, J. P. Hughes, C. Badenes +7
We present evidence for cosmic ray acceleration at the forward shock in Tycho's supernova remnant (SNR) from three X-ray observables: (1) the proximity of the contact discontinuity…
Far-Infrared Spectral Energy Distributions of Embedded Protostars and Dusty Galaxies: I. Theory for Spherical Sources
Sukanya Chakrabarti, Christopher F. McKee
We present analytic radiative transfer solutions for the spectra of unresolved, spherically symmetric, centrally heated, dusty sources. We find that the dust thermal spectrum posse…