Intergalactic Medium
The Faint Intergalactic Medium Redshifted Emission Balloon: FIREBall 2 Scientific Camera and Cooling System
... The Faint Intergalactic medium Redshifted Emission Balloon FIREBall 2 Scientific Camera & Cooling System Thesis by Nicole Renate Lingner In Partial Fulfillment of the Requirements for the degree of Do[.] ...
110
Kakiichi, Koki (2016): The high redshift universe: galaxies and the intergalactic medium. Dissertation, LMU München: Fakultät für Physik
... the intergalactic medium ...circum-galactic medium (CGM), is the interface between the IGM and galaxies, where the baryon cycle regulates the evolution of ...
189
Heating and ionization of the primordial intergalactic medium by high mass x ray binaries
... X-ray radiation may have significantly influenced its surroundings in the distant past, shaping the universe we see today. For example, the presence of an X-ray background at high redshifts could have increased the ...
15
Constraining the temperature–density relation of the intergalactic medium with the Lyman alpha and beta forests
... the intergalactic medium is characterized by a power-law relationship between temperature and density, with a slope determined by the parameter γ ...
5
Gas around galaxy haloes: methodology comparisons using hydrodynamical simulations of the intergalactic medium
... Given the variety of complex, non-linear physical mechanisms at play in the gaseous environments of galaxy haloes, cosmological hydrodynamical simulations are widely used to model the observa- tional data. However, ...
14
The intergalactic medium near high-redshift galaxies
... We study the interface between galaxies and the intergalactic medium by measuring the absorption by neutral hydrogen in the vicinity of star-forming galaxies at z ≈ 2.4. Our sample consists of 679 rest- ...
148
A high resolution study of the high redshift intergalactic medium
... restricts a line-by-line comparison. A statistical approach, however, suggests that the flux in paired spectra tends to be most similar in regions of either very strong or very weak absorption. The similarities at flux ...
180
On the connection between the metal-enriched intergalactic medium and galaxies: an O VI-galaxy cross-correlation study at z < 1
... particular intergalactic absorber with a particular galaxy (or set of galaxies), which in many instances is ambiguous; and (ii) we are robust to galaxy/absorber completeness variations, since we are measuring a ...
27
The Faint Intergalactic Redshifted Emission Balloon and the Cosmic Web Imager: Two Integral Field Spectrographs Designed to Study Emission from the Intergalactic Medium
... The concept of integral field spectroscopy (IFS), also known as imaging spectroscopy, is simple: reformat a low aspect ratio patch of a telescope’s focal plane into a long-slit configuration that serves as the entrance ...
260
The thermal history of the intergalactic medium down to redshift z=1 5: a new curvature measurement
... Curvature measurements: points with vertical error bars 1σ uncertainty are for the real data and are compared with the curvature obtained from simulations with different thermal historie[r] ...
18
The photoheating of the intergalactic medium in synthesis models of the UV background
... However, comparing the curvature temperatures from our synthetic spectra to the observational constraints, we still find that the temperature increase due to He II reionization happens s[r] ...
17
A consistent determination of the temperature of the intergalactic medium at redshift z=2 4
... Our analysis is based on the bH I –NH I cut-off measured from mock Lyα forest spectra drawn from an extensive set of high-resolution hydrodynamical simulations, combined with accurate me[r] ...
9
Searching for signatures of electromagnetic cascades in the intergalactic medium initiated by blazars
... Depending on the magnetic fields in the proximity of the source, the cascade initiated from pair production can result in either an isotropic halo around an initially beamed source or a [r] ...
166
Observations of the missing baryons in the warm-hot intergalactic medium
... . While theory provides a reasonable solution to this paradox, by locating the missing baryons in hot and tenuous filamentary gas connecting galaxies, it also sanctions the difficulty of detecting them because their by ...
35
Observations of intergalactic heavy-element enrichment in the early universe
... In the past decade, new observations have revealed evidence of early interactions between galaxies and intergalactic matter. After the first stars and galaxies were born, they immediately began to alter their ...
150
The Intergalactic and Circumgalactic Medium Surrounding Star-Forming Galaxies at Redshifts 2<z<3
... ∼ 4.5 − 5.5 K) onto high-z galaxies via filamentary “cold flows” (Birnboim & Dekel 2003; Kereš et al. 2005; Ocvirk et al. 2008; Brooks et al. 2009; Faucher-Giguère et al. 2011; van de Voort et al. 2011a,b). In this ...
221
Intergalactic electromagnetic cascades in the magnetized Universe as a tool of astroparticle physics
... The strength and structure of the EGMF are currently poorly constrained. EM cascades are a promising tool to probe the intergalactic medium. However, while doing so, one has to remember that EM cascades in ...
8
In-medium Properties of Hadrons
... Abstract. An overview is given over recent results on in-medium properties of hadrons, obtained inexperiments withphoton, proton and deuteron beams at ANKE,CBELSA/TAPS, Crystal Ball, HADES, and BigRIPS. These ...
6
Medium Voltage Products. V-Contact Medium voltage vacuum contactors
... the medium voltage side can be entrusted to the fuse alone, which must be selected taking into account the no-load switching-in current, which can take on values up to 10 times the rated current for smaller ...
78
A Comparative Study of Superstition among Hindi Medium and English Medium Students
... medium students.In this study, By taking different dimensions or parameter of superstition, we can look an overview of the superstition among Hindi medium students and English medium students.This ...
6