16 papers · ranked by Valyu relevance
Matthew A. Malkan, Brian K. Malkan
Compact starburst galaxies are thought to include many or most of the galaxies from which substantial Lyman continuum emission can escape into the intergalactic medium. Li and Malkan (2018) used SDSS photometry to find a population of such starburst galaxies at z~0.5. They were discovered by their extremely strong…
Kanak Saha, Roland Bacon, Anne Verhamme, Soumil Maulick + 7 more
The end of the Cosmic Dark Age marked the onset of reionization, driven by extreme-UV photons from the first galaxies. Direct detection of such photons has remained challenging due to strong intergalactic attenuation. Here, we report the first direct detection of ionizing photons at rest-frame wavelengths $350Å$…
Marta B. Silva, Robin Kooistra, Saleem Zaroubi
Here we simulate the intensity and spatial fluctuations in Lyman Alpha (Lyα) emission from filaments in the intergalactic medium (IGM) and discuss the prospects for the next generation of space based instruments to detect the low surface brightness universe at UV wavelengths. Starting with a high resolution N-body…
Göran Östlin, Matthew Hayes, Florent Duval, Andreas Sandberg + 19 more
'T. Emil Rivera-Thorsen' 'T. Marquart' 'Ivana Orlitová' 'Angela Adamo' 'Jens Melinder' 'L. Guaita' 'Hakim Atek' 'John M. Cannon' 'Pieter Gruyters' 'E. C. Herenz' 'D. Kunth' 'Peter Laursen' 'J. M. Más-Hesse' 'Genoveva Micheva' 'H. Otí-Floranes' 'Stephen Pardy' 'Martin M. Roth' 'D. Schaerer' 'Anne Verhamme'] Goran ¨…
Joris Witstok, Peter Jakobsen, Roberto Maiolino, Jakob M. Helton + 33 more
'Benjamin D. Johnson' 'Brant E. Robertson' 'Sandro Tacchella' 'Alex J. Cameron' 'Renske Smit' 'Andrew J. Bunker' 'Aayush Saxena' 'Fengwu Sun' 'Stacey Alberts' 'Santiago Arribas' 'William M. Baker' 'Rachana Bhatawdekar' 'Kristan Boyett' 'Phillip A. Cargile' 'Stefano Carniani' 'Stéphane Charlot' 'Jacopo Chevallard'…
Marta B. Silva, Mário G. Santos, Yan Gong, Asantha Cooray + 1 more
'J. J. Bock'] We calculate the absolute intensity and anisotropies of the Lyman-α radiation field present during the epoch of reionization. We consider emission from both galaxies and the intergalactic medium (IGM) and take into account the main contributions to the production of Lyman-α photons: recombinations…
Stefano Carniani, Kevin Hainline, Francesco D’Eugenio, Daniel J. Eisenstein + 41 more
'Daniel J. Eisenstein' 'Peter Jakobsen' 'Joris Witstok' 'Benjamin D. Johnson' 'Jacopo Chevallard' 'Roberto Maiolino' 'Jakob M. Helton' 'Chris Willott' 'Brant Robertson' 'Stacey Alberts' 'Santiago Arribas' 'William M. Baker' 'Rachana Bhatawdekar' 'Kristan Boyett' 'Andrew J. Bunker' 'Alex J. Cameron' 'Phillip A. Cargile'…
Jacques Moret‐Bailly
Les spectres des quasars résultent essentiellement d'interactions de la lumière naturelle avec de l'hydrogène atomique. Une absorption visible d'une raie spectrale fine et saturée dans un gaz requiert une basse pression, donc un long parcours sans perturbation comme un rougissement cosmologique. Burbidge et Karlsson…
Jeffrey Linsky, Seth Redfield, Diana Ryder, Eberhard Moebius
This paper reviews past research and new studies underway of the local interstellar environment and its changing influence on the heliosphere. The size, shape, and physical properties of the heliosphere outside of the heliopause are determined by the surrounding environment - now the outer region of the Local…
Jennifer Y H Chan, Qin Han, Kinwah Wu, Jason D. McEwen
line Authors: ['Jennifer Y H Chan' 'Qin Han' 'Kinwah Wu' 'Jason D. McEwen'] 1Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St George St, Toronto, ON M5S 3H8, Canada 2Dunlap Institute for Astronomy and Astrophysics, University of Toronto, 50 St George St, Toronto, ON M5S 3H4, Canada 3Faculty…
Juyoun Yoo, Fangming Xie, Salwan Butrus, Runzhe Xu + 14 more
The mammalian cerebral cortex is composed of neurons whose properties vary in a continuous fashion rather than falling into discrete cell types. In the mouse visual cortex, excitatory neurons in layer 2 and 3 (L2/3) form such a continuum along cortical depth, patterned by the graded expression of hundreds of genes.…
Lloyd Watts, Carver Mead, Michael Ridley, Gregg Jaeger
In 2000, Carver Mead introduced a time-symmetrical theory of energy exchange between two atoms, building on the Transactional Interpretation of Quantum Mechanics by John Cramer in 1986. In 2020, Cramer and Mead developed the theory further, proposing a conceptual path integral formulation by which energy could be…
V. Vavryčuk
Recent observations indicate that the Universe is not transparent but partially opaque due to absorption of light by ambient cosmic dust. This implies that the Friedmann equations valid for the transparent universe must be modified for the opaque universe. This paper studies a scenario in which the opacity rises with…
Andrew Rodger, Nicolas Labrosse
Our aim is to test potential solar prominence plasma diagnostics as obtained with the new solar capability of the Atacama Large Millimeter/submillimeter Array (ALMA). We investigate the thermal and plasma diagnostic potential of ALMA for solar prominences through the computation of brightness temperatures at ALMA…
Matthew J. Simpson, Ruth E. Baker, Pascal R. Buenzli, Ruanui Nicholson + 1 more
Stochastic individual-based mathematical models are attractive for modelling biological phenomena because they naturally capture the stochasticity and variability that is often evident in biological data. Such models also allow us to track the motion of individuals within the population of interest. Unfortunately…
Authors not listed
Internal conversion is a vital vibronic loss mechanism which competes with all other photophysical mechanisms, and available in the literature is a plethora of information on the subject. However, this data is often difficult to penetrate due to its complexity. As well, due to the sheer number of methods, it is often…