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Spatially Resolved Low Frequency VLA observations of the Supernova Remnant 3C 391
C. L. Brogan, T. J. Lazio, N. E. Kassim +1
We present VLA images of the supernova remnant (SNR) 3C~391 at 74, 330, and 1465 MHz. This remnant has been known for some time to exhibit a turnover in its integrated radio contin…
The Radio Continuum of the Metal-Deficient Blue Compact Dwarf Galaxy SBS0335-052
Leslie K. Hunt, Kristy K. Dyer, Trinh X. Thuan +1
We present new Very Large Array observations at five frequencies, from 1.4 to 22GHz, of the extremely low-metallicity blue compact dwarf SBS0335-052. The radio spectrum shows consi…
Separating Thermal and Non-Thermal X-Rays in Supernova Remnants II: Spatially Resolved Fits to SN1006 AD
K. K. Dyer, S. P. Reynolds, K. J. Borkowski
We present a spatially resolved spectral analysis of full ASCA observations of the remnant of the supernova of 1006 AD. This remnant shows both nonthermal X-ray emission from brigh…
A Low Frequency Survey of the Galactic Plane Near l=11 degrees: Discovery of Three New Supernova Remnants
C. L. Brogan, K. E. Devine, T. J. Lazio +5
We have imaged a 1 deg^2 field centered on the known Galactic supernova remnant (SNR) G11.2-0.3 at 74, 330, and 1465 MHz with the Very Large Array radio telescope (VLA) and 235 MHz…
X-Ray Synchrotron Emitting Fe-Rich Ejecta in SNR RCW 86
Jeonghee Rho, Kristy K. Dyer, Kazimierz J. Borkowski +1
Supernova remnants may exhibit both thermal and nonthermal X-ray emission. We present Chandra observations of RCW 86. Striking differences in the morphology of X-rays below 1 keV a…
Spatially-resolved Thermal Continuum Absorption against the Supernova Remnant W49B
C. K. Lacey, T. Joseph W. Lazio, Namir E. Kassim +3
We present sub-arcminute resolution imaging of the Galactic supernova remnant W49B at 74 MHz (25") and 327 MHz (6"), the former being the lowest frequency at which the source has b…