Results 1 to 10 of about 29,067 (79)
The Low-Redshift Intergalactic Medium [PDF]
Publications of the Astronomical Society of Australia, 1998 The low-redshift Ly-alpha forest of absorption lines provides a probe of large-scale baryonic structures in the intergalactic medium, some of which may be remnants of physical conditions set up during the epoch of galaxy formation.
Penton, Steven V. +2 more
core +7 more sources
The Intergalactic Medium [PDF]
Symposium - International Astronomical Union, 1982 The density of intergalactic gas may be an important parameter in the formation of extended radio sources. It may range from ∼ 0.1 particle cm−3 in the centres of some rich clusters of galaxies down to 10−8cm−3 or less in intercluster space. The possible influence of the intracluster gas surrounding NGC 1275 on its radio emission is discussed, and the ...
A. C. Fabian, A. K. Kembhavi
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Metals in the intergalactic medium [PDF]
Astronomy & Astrophysics, 2004 We use high spectral resolution (R=45000) and high signal-to-noise ratio (S/N \~ 35-70 per pixel) spectra of 19 high-redshift (2.11. Our observations strongly suggest that the CIV/HI ratio decreases with decreasing tau(HI) with log[tau(CIV)]=1.3xlog[tau(HI)]-3.2. We do not detect CIV absorption statistically associated with gas of tau(HI)<1. However,
Aracil, Bastien +3 more
openaire +5 more sources
Turbulence in the intergalactic medium [PDF]
Monthly Notices of the Royal Astronomical Society, 2011 13 pages, 8 figures.
Evoli, Carmelo, FERRARA, ANDREA
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On the supernova heating of the intergalactic medium [PDF]
Monthly Notices of the Royal Astronomical Society, 2000 submitted to MNRAS, LaTeX, 15 pages, 5 figures, 2 ...
Andrey V. Kravtsov, Gustavo Yepes
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The growth of structure in the intergalactic medium [PDF]
Monthly Notices of the Royal Astronomical Society, 2002 A {\it stochastic adhesion} model is introduced, with the purpose of describing the formation and evolution of mildly nonlinear structures, such as sheets and filaments, in the intergalactic medium (IGM), after hydrogen reionization. The model is based on replacing the overall force acting on the baryon fluid -- as it results from the composition of ...
Roya Mohayaee +2 more
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Constraint on intergalactic dust from thermal history of intergalactic medium [PDF]
, 2002 This Letter investigates the amount of dust in the intergalactic medium (IGM). The dust photoelectric heating can be the most efficient heating mechanism in the IGM where the density is very small and there are a lot of hard ultraviolet photons ...
Inoue, Akio K., Kamaya, Hideyuki
core +2 more sources
Studying the Warm-Hot Intergalactic Medium in Emission [PDF]
, 2010 We assess the possibility to detect the warm-hot intergalactic medium (WHIM) in emission and to characterize its physical conditions and spatial distribution through spatially resolved X-ray spectroscopy, in the framework of the recently proposed DIOS ...
A. Corsi +72 more
core +11 more sources
The Intergalactic Medium [PDF]
Highlights of Astronomy, 1980 Observations of Lyman-α absorption show that any gas present in the space between clusters of galaxies must be hot, and x-ray observations indicate that there may be present gas whose temperature at low redshifts is 4 × 108 K and whose density is about half the critical value for cosmology.
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Dipole distortions in the intergalactic medium [PDF]
Monthly Notices of the Royal Astronomical Society, 2019 Abstract Baryonic feedback can significantly modify the spatial distribution of matter on small scales and create a bulk relative velocity between the dominant cold dark matter and the hot gas. We study the consequences of such bulk motions using two high-resolution hydrodynamic simulations, one with no feedback and one with very strong ...
Francisco Villaescusa-Navarro +2 more
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