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Browsing Tag

Galaxies and clusters

16 posts
PPhysics
Reduced incidence of little red dots at z < 3 based on number density and halo mass evolution
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Reduced incidence of little red dots at z < 3 based on number density and halo mass evolution

  • October 10, 2026
Labbé, I. et al. A population of red candidate massive galaxies 600 Myr after the Big Bang. Nature…
PPhysics
Early metal-enriched baryon cycling before the midpoint of cosmic reionization
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Early metal-enriched baryon cycling before the midpoint of cosmic reionization

  • September 25, 2026
Observations and data reduction The data analysed in this work were obtained as part of the JWST Cycle…
PPhysics
Overmassive black holes and little red dots naturally form in simulations
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Overmassive black holes and little red dots naturally form in simulations

  • September 16, 2026
Our cosmological initial conditions are based on the simulation Phi-4096 of ref. 51. In this work, a dark-matter-only N-body…
PPhysics
Hypersoft X-ray sources as a low-energy class of luminous cosmic emitter
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Hypersoft X-ray sources as a low-energy class of luminous cosmic emitter

  • September 9, 2026
Drake, J. J., Kashyap, V. L., Wargelin, B. J. & Wolk, S. J. Pointing Chandra toward the extreme…
PPhysics
Extended components of little red dots in the rest-frame optical
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Extended components of little red dots in the rest-frame optical

  • August 25, 2026
Furtak, L. J. et al. JWST UNCOVER: extremely red and compact object at zphot = 7.6 triply imaged…
PPhysics
A new window on neutrino astronomy at cosmological distances - Nature
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A new window on neutrino astronomy at cosmological distances – Nature

  • June 26, 2026
A new window on neutrino astronomy at cosmological distances  NatureGhost particle could have traveled 11 billion light-years to reach…
SSpace
Detection of anisotropic cosmic structures on a gigaparsec scale
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Detection of anisotropic cosmic structures on a gigaparsec scale

  • June 25, 2026
Weinberg, S. Cosmology (Oxford Univ. Press, 2008). Aghanim, N. et al. Planck 2018 results. V. CMB power spectra…
PPhysics
Compact dusty starbursts at cosmic noon linked to high-energy neutrinos
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Compact dusty starbursts at cosmic noon linked to high-energy neutrinos

  • June 17, 2026
IceCube Collaboration Evidence for high-energy extraterrestrial neutrinos at the IceCube detector. Science 342, 1242856 (2013). Article  Google Scholar …
PPhysics
Gravitational-wave constraints on the pair-instability mass gap and nuclear burning in massive stars
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Gravitational-wave constraints on the pair-instability mass gap and nuclear burning in massive stars

  • May 7, 2026
Gravitational-wave observations of binary black holes have opened a new window onto massive-star evolution1,2,3,4,5, but population inferences remain…
SSpace
A massive and evolved slow-rotating galaxy in the early Universe
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A massive and evolved slow-rotating galaxy in the early Universe

  • May 5, 2026
Cappellari, M. et al. The SAURON project – X. The orbital anisotropy of elliptical and lenticular galaxies: revisiting…
SSpace
A fast starburst wind consumes most of the energy from supernovae
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A fast starburst wind consumes most of the energy from supernovae

  • March 26, 2026
Department of Astronomy, University of Geneva, Versoix, Switzerland Marc Audard, Dominique Eckert & Stephane Paltani Department of Physics, Ehime University, Matsuyama,…
PPhysics
An X-ray-emitting protocluster at z ≈ 5.7 reveals rapid structure growth
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An X-ray-emitting protocluster at z ≈ 5.7 reveals rapid structure growth

  • January 29, 2026
JWST characterization of the JADES-ID1 protocluster Here we overview several key aspects of the JWST analysis. Specifically, we…
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