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Browsing Tag

Astrophysics and Cosmology

11 posts
PPhysics
A binary model of long-period radio transients and white dwarf pulsars
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A binary model of long-period radio transients and white dwarf pulsars

  • January 31, 2026
Buckley, D. A. H., Meintjes, P. J., Potter, S. B., Marsh, T. R. & Gänsicke, B. T. Polarimetric…
SSpace
The mass distribution in and around the Local Group
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The mass distribution in and around the Local Group

  • January 28, 2026
Figure 1 is a Hubble diagram. The points in blue show the 31 isolated galaxies used to constrain…
PPhysics
A practical Bayesian method for gravitational-wave ringdown analysis with multiple modes
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A practical Bayesian method for gravitational-wave ringdown analysis with multiple modes

  • January 17, 2026
Abbott, B. P. et al. Observation of gravitational waves from a binary black hole merger. Phys. Rev. Lett.…
SScience
Training the next generation of Ghanaian radio astronomers with the TART array
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Training the next generation of Ghanaian radio astronomers with the TART array

  • December 25, 2025
The authors gratefully acknowledge the support of the Ghana Space Science and Technology Institute (GSSTI), the South African…
SSpace
The early Universe with JWST and ALMA
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The early Universe with JWST and ALMA

  • December 24, 2025
Tamura, Y. et al. Detection of the far-infrared [O III] and dust emission in a galaxy at redshift 8.312:…
SSpace
Horizontal and vertical exoplanet thermal structure from a JWST spectroscopic eclipse map
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Horizontal and vertical exoplanet thermal structure from a JWST spectroscopic eclipse map

  • October 28, 2025
We applied two complementary spectroscopic eclipse mapping methods to the data: Eigenspectra7 and ThERESA29. We used two methods…
SSpace
Evidence for small-scale torsional Alfvén waves in the solar corona
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Evidence for small-scale torsional Alfvén waves in the solar corona

  • October 26, 2025
Data description The data were obtained on 30 October 2023 by the Cryo-NIRSP instrument located at the US…
PPhysics
A million-solar-mass object detected at a cosmological distance using gravitational imaging
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A million-solar-mass object detected at a cosmological distance using gravitational imaging

  • October 10, 2025
Observation The VLBI observation of JVAS B1938+666 used for this work was performed using a global VLBI array…
PPhysics
Dynamical dark energy in light of the DESI DR2 baryonic acoustic oscillations measurements
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Dynamical dark energy in light of the DESI DR2 baryonic acoustic oscillations measurements

  • September 30, 2025
Efstathiou, G., Sutherland, W. J. & Maddox, S. J. The cosmological constant and cold dark matter. Nature 348,…
PPhysics
The signature of subgalactic dark matter clumping in the global 21-cm signal of hydrogen
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The signature of subgalactic dark matter clumping in the global 21-cm signal of hydrogen

  • September 18, 2025
Carniani, S. et al. Spectroscopic confirmation of two luminous galaxies at a redshift of 14. Nature 633, 318–322…
PPhysics
Constraints on axion-like particles from active galactic nuclei seen through galaxy clusters
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Constraints on axion-like particles from active galactic nuclei seen through galaxy clusters

  • August 16, 2025
ALP propagation equations In this section, we summarize the key theoretical ingredients relevant to the studies of ALPs…
Ireland
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