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58 papers · 1 filter
The Galactic Magnetic Field's Effect in Star-Forming Region
Ian W. Stephens, Leslie W. Looney, C. Darren Dowell +2
We investigate the effect of the Milky Way's magnetic field in star forming regions using archived 350 micron polarization data on 52 Galactic star formation regions from the Hertz…
Polycyclic aromatic hydrocarbon processing by cosmic rays
E. R. Micelotta, A. P. Jones, A. G. G. M. Tielens
Context: Cosmic rays are present in almost all phases of the ISM. PAHs and cosmic rays represent an abundant and ubiquitous component of the interstellar medium. However, the inter…
Pulsar Pair Cascades in a Distorted Magnetic Dipole Field
Alice K. Harding, Alex G. Muslimov
We investigate the effect of a distorted neutron star dipole magnetic field on pulsar pair cascade multiplicity and pair death lines. Using a simple model for a distorted dipole fi…
Confirmation of the Supergiant Fast X-ray Transient nature of AX J1841.0-0536 from Swift outburst observations
P. Romano, V. Mangano, G. Cusumano +8
Swift observed an outburst from the supergiant fast X-ray transients (SFXT) AX J1841.0-0536 on 2010 June 5, and followed it with XRT for 11 days. The X-ray light curve shows an ini…
Detection of a Thermal Spectral Component in the Prompt Emission of GRB 100724B
Sylvain Guiriec, Valerie Connaughton, Michael S. Briggs +29
Observations of GRB 100724B with the Fermi Gamma-Ray Burst Monitor (GBM) find that the spectrum is dominated by the typical Band functional form, which is usually taken to represen…
Anatomy of a post-starburst minor merger: a multi-wavelength WFC3 study of NGC 4150
R. Mark Crockett, Sugata Kaviraj, Joseph I. Silk +22
(Abridged) We present a spatially-resolved near-UV/optical study of NGC 4150, using the Wide Field Camera 3 (WFC3) on board the Hubble Space Telescope. Previous studies of this ear…