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- Association of Universities for Research in AstronomyUS162 papers
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43 papers · 1 filter
A VLBA Search for a Stimulated Recombination Line from the Accretion Region in NGC1275
R. C. Walker, K. R. Anantharamaiah
The radio source 3C84, in NGC1275, has a two sided structure on parsec scales. The northern feature, presumed to be associated with a jet moving away from the Earth, shows strong e…
Radio-selected Galaxies in Very Rich Clusters at z < 0.25: II. Radio Properties and Analysis
Glenn E. Morrison, Frazer N. Owen
(Abridged) We report on the properties of radio-selected galaxies within 30 very-rich Abell clusters with z < 0.25. These radio data sample the ultra-faint (L(1.4) > 2E22 W/Hz) rad…
Observation of the strange sea in the proton via inclusive Phi-meson production in neutral current deep inelastic scattering at HERA
ZEUS Collaboration
Inclusive phi-meson production in neutral current deep inelastic e+p scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 45 pb^{-1}. The p…
Measurement of subjet multiplicities in neutral current deep inelastic scattering at HERA and determination of
ZEUS Collaboration
The subjet multiplicity has been measured in neutral current e+p interactions at Q**2 > 125 GeV**2 with the ZEUS detector at HERA using an integrated luminosity of 38.6 pb-1. Jets…
Massive Ellipticals at High Redshift: NICMOS Imaging of Z~1 Radio Galaxies
A. W. Zirm, M. Dickinson, A. Dey
We present deep, continuum images of eleven high-redshift (0.811 < z < 1.875) 3CR radio galaxies observed with NICMOS. Our images probe the rest-frame optical light where stars are…
X-ray Spectroscopic Evidence for Intermediate Mass Black Holes: Cool Accretion Disks in Two Ultra--Luminous X-ray Sources
J. M. Miller, G. Fabbiano, M. C. Miller +1
We have analyzed an XMM-Newton observation of the nearby spiral galaxy NGC 1313, which contains two "ultra-luminous" X-ray (ULX) sources. We measure isotropic luminosities of L_X =…