High redshift galaxies and quasars
The distribution of neutral hydrogen around high-redshift galaxies and quasars in the EAGLE simulation
... from galaxies and by providing resistance against the accretion of ...sonable galaxies in very massive haloes and is missing from most previous studies, may affect the observed H I distribution in and ...
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Reionization and high redshift galaxies: the view from quasar absorption lines
... the quasars into a largely neutral IGM (Wyithe & Loeb 2004; Wyithe et ...background galaxies is small enough (Bolton & Haehnelt 2007b,a; Maselli et ...
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A 327 MHz VLBI study of high redshift radio galaxies 1345+245, 1809+407 and 2349+289
... Three high redshift galaxies 1345+245, 1809+407 and 2349+289 from an original sample of nine objects have been imaged at an angular resolution of ∼ 40–100 mas at 327 MHz using global VLBI ...of ...
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The HDUV Survey: A revised assessment of the relationship between UV slope and dust attenuation for high-redshift galaxies
... 2 galaxies with ages ...Myr galaxies and the stacked result, respectively, derived from 24 µm data (Reddy et ...lensed galaxies (large green diamonds; cB58 and the Cosmic Eye; Baker et ...low-mass ...
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The Formation and Essence of Quasars and Their Connections with Galaxies
... of quasars is one of the four great discoveries of astronomy in ...of quasars is very interesting, but it has also brought some difficult problems for human being: are quasars stars or ...
5
A sample of 669 ultra steep spectrum radio sources to find high redshift radio galaxies
... radio galaxies to study the formation and evolution of the most massive galaxies, which, by their implied star-formation history, can put important constraints on galaxy formation models, and even on ...
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Ionization of large-scale absorbing haloes and feedback events from high-redshift radio galaxies
... only quasars are contributing corresponding to model Q2 in their ...of quasars at ...to quasars (a similar sed was also considered by Telfer et ...
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Lyman Continuum and Lyman α Emission from Galaxies at High Redshift
... in galaxies as well as the surrounding intergalactic matter ...at high redshift is crucial for a complete picture of the growth of structure, as at these early times it contains 90% of all the ...
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Spectral redshift of quasars based on the changes in the electronic structure of matter induced by gravitational field
... asymmetric redshift is caused by the action of gravitational lensing (Basu, ...the redshift of cosmic radiation and proposed that the redshift of radiation is a multiple loss of ...The ...
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Simulations of the formation, evolution and clustering of galaxies and quasars
... , while phases were cho- sen randomly. A high quality random number gen- erator with period ∼ 10 171 was used for this pur- pose. We employed a massively parallel complex- to-real Fourier transform (which requires ...
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Neural-network selection of high-redshift radio quasars, and the luminosity function at z ∼ 4
... accurate knowledge of the QLF at different epochs allows impor- tant constraints to be placed on the evolution of the mass function of SMBHs, on their growth and on the lifetime of the QSO phase (Volonteri, Haardt & ...
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The environments of luminous radio galaxies and type-2 quasars
... radio galaxies at intermedi- ate redshifts ...radio-quiet quasars at ...radio galaxies (PRGs) and 75 per cent of the type-2 quasars] show tidal features of relatively high surface ...in ...
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A Physical Model for the Luminosity Function of High‐Redshift Quasars
... of quasars known at ze3:5 (Fan et ...very high-redshift SDSS quasars have been presented to ...nous quasars with redshifts in the range 3:6 < z < 5:0 and a median of ...four ...
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Infrared-faint radio sources: A new population of high-redshift radio galaxies
... for SFGs. Through source stacking in the four IRAC bands, Garn & Alexander (2008) showed that six sources had possible IR coun- terparts below the detection threshold. Using a stacked image of the remaining eight ...
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Searching for large scale structures around high redshift radio galaxies with Herschel
... Spitzer-selected galaxies (PKS 0529−549 & ...selected galaxies (MG 2308 + 0336; Hatch et ...of galaxies (MP J1758 − 6738 and NVSS J111921−363139) also show overdensities of Spitzer- selected ...
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On the reliability of C IV λ1549 as an abundance indicator for high-redshift star-forming galaxies
... star-forming galaxies recorded with the International Ultravio- let Explorer (IUE) satellite and their oxygen abundance (determined from nebular emission ...
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Deep Near Infrared Spectroscopy of High Redshift Galaxies: the Physical Growth of Passive Systems
... spheroidal galaxies at z < 1 (Treu et ...massive galaxies formed the bulk of their stars at z > 2, whereas less massive systems con- tinued their assembly at later ...quiescent galaxies (Franx ...
172
Extended Lyman α haloes around individual high-redshift galaxies revealed by MUSE
... our galaxies, unless a significant fraction of this internally produced Lyα radiation is destroyed by ...low-mass galaxies are un- likely to be very dust-rich, although the lack of multiwavelength data for ...
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Towards a census of high-redshift dusty galaxies with Herschel. A selection of ”500 μm-risers”
... dusty, high-z galaxies (Umehata et ...protocluster galaxies might be the dominant popula- tion at very high redshifts, since their expected contribution to the cosmic star-formation rate ...
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H-ATLAS: a candidate high redshift cluster/protocluster of star-forming galaxies
... . Noble et al. (2013) argued that lower temperature, lower redshift solutions were not compatible with the empirical temperature-luminosity re- lation derived by Roseboom et al. (2012) for Herschel selected ...
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