Katherine Blundell OBE: Publications

Spectral ageing: a new age perspective

(2002)

Authors:

Katherine M Blundell, Steve Rawlings

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The ruff of equatorial emission around the SS433 jets: its spectral index and origin

(2002)

Authors:

Katherine M Blundell, Michael P Rupen, Amy J Mioduszewski, Tom WB Muxlow, Philipp Podsiadlowski

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Optical spectroscopy of radio galaxies in the 7C Redshift Survey

ArXiv astro-ph/0205507 (2002)

Authors:

Chris J Willott, Steve Rawlings, Katherine M Blundell, Mark Lacy, Gary J Hill, Susan E Scott

Abstract:

We present optical spectroscopy of all 49 radio galaxies in the 7C-I and 7C-II regions of the 7C Redshift Survey (7CRS). The low-frequency (151 MHz) selected 7CRS sample contains all sources with flux-densities S_151 > 0.5 Jy in three regions of the sky; 7C-I and 7C-II were chosen to overlap with the 5C6 and 5C7 surveys respectively, and cover a total sky area of 0.013 sr. The sample has been completely identified and spectroscopy of the quasars and broad-lined radio galaxies has been presented in Willott et al. (1998). Only seven of the radio galaxies do not have redshift determinations from the spectroscopy, giving a redshift completeness for the sample of >90%. The median redshift of the 7CRS is 1.1. We present a composite 0.2

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Optical spectroscopy of radio galaxies in the 7C Redshift Survey

(2002)

Authors:

Chris J Willott, Steve Rawlings, Katherine M Blundell, Mark Lacy, Gary J Hill, Susan E Scott

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Radio galaxy evolution: what you can learn from a Brief Encounter

New Astron.Rev. 46 (2002) 75-87

Authors:

K Blundell, S Rawlings, C Willott, N Kassim, R Perley

Abstract:

We describe the pitfalls encountered in deducing from classical double radio source observables (luminosity, spectral index, redshift and linear size) the essential nature of how these objects evolve. We discuss the key role played by hotspots in governing the energy distribution of the lobes they feed, and subsequent spectral evolution. We present images obtained using the new 74 MHz receivers on the VLA and discuss constraints which these enforce on models of the backflow and ages in classical doubles.

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Katherine Blundell OBE

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The Global Jet Watch

The micro quasar SS433

Spectral ageing: a new age perspective

Authors:

The ruff of equatorial emission around the SS433 jets: its spectral index and origin

Authors:

Optical spectroscopy of radio galaxies in the 7C Redshift Survey

Authors:

Abstract:

Optical spectroscopy of radio galaxies in the 7C Redshift Survey

Authors:

Radio galaxy evolution: what you can learn from a Brief Encounter

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Abstract:

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Katherine Blundell OBE

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The Global Jet Watch

The micro quasar SS433

Spectral ageing: a new age perspective

Authors:

The ruff of equatorial emission around the SS433 jets: its spectral index and origin

Authors:

Optical spectroscopy of radio galaxies in the 7C Redshift Survey

Authors:

Abstract:

Optical spectroscopy of radio galaxies in the 7C Redshift Survey

Authors:

Radio galaxy evolution: what you can learn from a Brief Encounter

Authors:

Abstract: