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Browsing Tag

Galaxies and clusters

9 posts
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

  • 7 May 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

  • 5 May 2026
Cappellari, M. et al. The SAURON project – X. The orbital anisotropy of elliptical and lenticular galaxies: revisiting…
SSpace
Enrichment by the first stars in a relic dwarf galaxy
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Enrichment by the first stars in a relic dwarf galaxy

  • 17 March 2026
Flaugher, B. et al. The dark energy camera. Astron. J. 150, 150 (2015). Article  ADS  Google Scholar  Beers,…
SScience
An ultra-high-resolution map of (dark) matter
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An ultra-high-resolution map of (dark) matter

  • 26 January 2026
Massey, R. et al. The Shear Testing Programme 2: factors affecting high-precision weak-lensing analyses. Mon. Not. R. Astron.…
PPhysics
Little red dots as young supermassive black holes in dense ionized cocoons
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Little red dots as young supermassive black holes in dense ionized cocoons

  • 14 January 2026
Greene, J. E. et al. UNCOVER spectroscopy confirms the surprising ubiquity of active galactic nuclei in red sources…
PPhysics
Quasar radiation transforms the gas in a merging companion galaxy
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Quasar radiation transforms the gas in a merging companion galaxy

  • 22 May 2025
Antonucci, R. Unified models for active galactic nuclei and quasars. Annu. Rev. Astron. Astrophys. 31, 473–521 (1993). Article …
PPhysics
Unexpected clustering pattern in dwarf galaxies challenges formation models
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Unexpected clustering pattern in dwarf galaxies challenges formation models

  • 22 May 2025
Li, C. et al. The dependence of clustering on galaxy properties. Mon. Not. R. Astron. Soc. 368, 21–36…
PPhysics
Andromeda’s asymmetric satellite system as a challenge to cold dark matter cosmology
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Andromeda’s asymmetric satellite system as a challenge to cold dark matter cosmology

  • 12 April 2025
We made use of RR Lyrae-based distances for the Andromeda galaxy and 37 of its dwarf satellites compiled in…
SSpace
Evidence of star cluster migration and merger in dwarf galaxies
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Evidence of star cluster migration and merger in dwarf galaxies

  • 10 April 2025
Witnessing the formation of nuclear star clusters (NSCs) is important to fully understand how these extremely compact and…
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