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Daniel J. Ballard

11 papers hereh-index 449 citations10 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author2
  • middle author6
  • last author1

Across the 9 of 11 papers where every author was matched, so the position is known.

fields
  • astro-ph.CO7
  • astro-ph.GA4

identity via Semantic Scholar / OpenAlex

activity
20232026
most citedGravitational imaging through a triple source plane lens: revisiting the ΛCDM-defying dark subhalo in SDSSJ0946+1006

34 citations · 43 across the 11 of their papers we have counts for

collaborators
Showing 2024Show all

2 papers · 1 filter

astro-ph.CO2024★ 3 cited

The overconcentrated dark halo in the strong lens SDSS J0946+1006 is a subhalo: evidence for self interacting dark matter?

Wolfgang J. R. Enzi, Coleman M. Krawczyk, Daniel J. Ballard +1

The nature of dark matter is poorly constrained on subgalactic scales. Alternative models to cold dark matter, such as warm dark matter or self-interacting dark matter, could produ…

astro-ph.CO2024

Correcting for Selection Biases in the Determination of the Hubble Constant from Time-Delay Cosmography

Tian Li, Thomas E. Collett, Philip J. Marshall +4

The time delay between multiple images of strongly lensed quasars has been used to infer the Hubble constant. The primary systematic uncertainty for time-delay cosmography is the m…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.