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Mid-infrared spectroscopy of high-redshift obscured quasars
Alejo Martinez-Sansigre, Mark Lacy, Anna Sajina +1
We present mid-infrared observations of 18 sources from a sample of 21 z~2 radio-intermediate obscured quasars. The mid-infrared spectra of the sources are continuum dominated, and…
Accretion indicators for the 37 brightest radio sources in the Subaru/XMM-Newton Deep Field
Eleni Vardoulaki, Steve Rawlings, Chris Simpson
We study the 37 brightest radio sources in the Subaru/XMM-Newton Deep Field (SXDF). Using mid-IR (Spitzer MIPS 24 micron) data we expect to trace nuclear accretion activity, even i…
Spectroscopic follow-up of a cluster candidate at z = 1.45
Caroline van Breukelen, Garret Cotter, Steve Rawlings +7
We have obtained deep optical spectroscopic data of the highest-redshift cluster candidate (z ~ 1.4, CVB13) selected by Van Breukelen et al. (2006) in a photometric optical/infrare…
The prevalence of FRI radio quasars
Ian Heywood, Katherine M. Blundell, Steve Rawlings
We present deep, multi-VLA-configuration radio images for a set of 18 quasars, having redshifts between 0.36 and 2.5, from the 7C quasar survey. Approximately one quarter of these…
Low-power radio galaxy environments in the Subaru/XMM-Newton Deep Field at z~0.5
J. E. Geach, C. Simpson, S. Rawlings +2
We present multi-object spectroscopy of galaxies in the immediate (Mpc-scale) environments of four low-power (L_1.4 GHz < 10^25 W/Hz) radio galaxies at z~0.5, selected from the Sub…
Determining neutrino properties using future galaxy redshift surveys
F. B. Abdalla, S. Rawlings
Current measurements of the large-scale structure of galaxies are able to place an upper limit on the absolute mass scale of neutrinos. An order-of-magnitude im…