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Chemical properties in the most distant radio galaxy
galaxies: active – galaxies: nuclei – quasars: emission lines – quasars: general
2011/10/21
We present a deep optical spectrum of TN J0924-2201, the most distant radio galaxy at z = 5.19, obtained with FOCAS on the Subaru Telescope. We successfully detect, for the first time, the CIV1549 emi...
A multiple-beam CLEAN for imaging intra-day variable radio sources
Methods: data analysis – Techniques: image processing – Radio continuum: general
2011/10/13
The CLEAN algorithm, widely used in radio interferometry for the deconvolution of radio images, performs well only if the raw radio image (dirty image) is, to good approximation, a simple convolution ...
Testing the WMAP cosmology via Planck radio catalogues
methods: analytical - galaxies: general - cosmic microwave background- cosmology large-scale structure of Universe
2011/10/9
The prime evidence underpinning the standard LCDM cosmological model is the CMB power spectrum as observed by WMAP and other microwave experiments. But Sawangwit and Shanks have recently shown that th...