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Browsing School of Physics (Scholarly Articles) by Subject "Astrophysics - Galaxy Astrophysics"

Now showing items 1-8 of 8

GASP - Galway Astronomical Stokes Polarimeter

Shearer, Andrew (2009)

The Galway Astronomical Stokes Polarimeter (GASP) is an ultra-high-speed, full Stokes, astronomical imaging polarimeter based upon a Division of Amplitude Polarimeter. It has been developed to resolve extremely rapid ...
High Time Resolution Astrophysics in the Extremely Large Telescope Era : White Paper

Shearer, Andrew (2010)

High Time Resolution Astrophysics (HTRA) concerns itself with observations on short scales normally defined as being lower than the conventional read-out time of a CCD. As such it is concerned with condensed objects such ...
A high-speed bi-polar outflow from the archetypical pulsating star Mira A

Redman, Matt P. (2009)

Optical images and high-dispersion spectra have been obtained of the ejected material surrounding the pulsating AGB star Mira A. The two streams of knots on either side of the star, found in far ultra-viollet (FUV) GALEX ...
Observation of Extended VHE Emission from the Supernova Remnant IC 443 with VERITAS

Lang, Mark; Gillanders, Gary (2009)

We present evidence that the very-high-energy (VHE, E > 100 GeV) gamma-ray emission coincident with the supernova remnant IC 443 is extended. IC 443 contains one of the best-studied sites of supernova remnant/molecular ...
Observations of the shell-type SNR Cassiopeia A at TeV energies with VERITAS

Lang, Mark; Gillanders, Gary (2010)

We report on observations of very high-energy gamma rays from the shell-type supernova remnant Cassiopeia A with the VERITAS stereoscopic array of four imaging atmospheric Cherenkov telescopes in Arizona. The total exposure ...
Radio Imaging of the Very-High-Energy Gamma-Ray Emission Region in the Central Engine of a Radio Galaxy

Lang, Mark (2009)

The accretion of matter onto a massive black hole is believed to feed the relativistic plasma jets found in many active galactic nuclei (AGN). Although some AGN accelerate particles to energies exceeding 10^12 electron ...
Supersonic turbulence in the cold massive core JCMT 18354-0649S

Redman, Matt P. (2009)

An example of a cold massive core, JCMT 18354-0649S, a possible high mass analogue to a low mass star forming core is studied. Line and continuum observations from JCMT, Mopra Telescope and Spitzer are presented and modelled ...
Towards an explanation for the 30 Dor (LMC) Honeycomb nebula - the impact of recent observations and spectral analysis

Meaburn, John; Redman, Matt P; Boumis, Panos; Harvey, Eamonn (2010)