Results 191 to 200 of about 22,853 (217)
Discs no more: the morphology of low-mass simulated galaxies in FIREbox. [PDF]
Mon Not R Astron SocBenavides JA +11 more
europepmc +1 more source
Living Reviews in Solar Physics, 2022 AbstractThe transformation of cold neutral intergalactic hydrogen into a highly ionized warm plasma marks the end of the cosmic dark ages and the beginning of the age of galaxies. The details of this process reflect the nature of the early sources of radiation and heat, the statistical characteristics of the large-scale structure of the Universe, the ...
Nickolay Y Gnedin, Piero Madau
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Observational Constraints on Cosmic Reionization [PDF]
Annual Review of Astronomy and Astrophysics, 2006 Observations have set the first constraints on the epoch of reionization (EoR), corresponding to the formation epoch of the first luminous objects. Studies of Gunn-Peterson (GP) absorption indicate a rapid increase in the neutral fraction of the intergalactic medium (IGM) from xHI< 10−4at z ≤ 5.5, to xHI> 10−3, perhaps up to 0.1, at z∼6, while ...
Xiaohui Fan
exaly +3 more sources
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2020
Die Epochen der kosmischen Erwärmung und Reionisierung sind Teil des Übergangs in dem das dunkle Zeitalter des Universums mit einer kosmischen Morgenröte endete. Irgendwann während der ersten Milliarde Jahre bildeten sich die ersten Galaxien und mit ihnen die ersten Lichtquellen, deren Strahlung das intergalaktische Gas erhitzte und ionisierte.
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Die Epochen der kosmischen Erwärmung und Reionisierung sind Teil des Übergangs in dem das dunkle Zeitalter des Universums mit einer kosmischen Morgenröte endete. Irgendwann während der ersten Milliarde Jahre bildeten sich die ersten Galaxien und mit ihnen die ersten Lichtquellen, deren Strahlung das intergalaktische Gas erhitzte und ionisierte.
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1999
We reconsider the problem of the reionization of the universe by means of stellar sources. Using the model developed by Haiman & Loeb (1997), we focus on the effect of changing basic parameters, such as stellar models and spectra, adopted for finding the ionizing photons production rate.
COJAZZI P. +3 more
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We reconsider the problem of the reionization of the universe by means of stellar sources. Using the model developed by Haiman & Loeb (1997), we focus on the effect of changing basic parameters, such as stellar models and spectra, adopted for finding the ionizing photons production rate.
COJAZZI P. +3 more
openaire +1 more source
Reionization agents for neutralization-reionization mass spectrometry
Analytical Chemistry, 1986P O, Danis, R, Feng, F W, McLafferty
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Normal, dust-obscured galaxies in the epoch of reionization
Nature, 2021Yoshinobu Fudamoto +2 more
exaly
Astraeus I: the interplay between galaxy formation and reionization
Monthly Notices of the Royal Astronomical Society, 2021Anne Hutter +2 more
exaly