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researcher

H. Usher

8 papers hereh-index 459 citations21 works total

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

author position
  • first author1
  • middle author5
  • last author2

Across the 8 of 8 papers where every author was matched, so the position is known.

fields
  • astro-ph.EP8

identity via Semantic Scholar / OpenAlex

activity
20202026
most citedPhysical Characterization of Main-Belt Comet (248370) 2005 QN173

20 citations · 43 across the 8 of their papers we have counts for

collaborators
Showing 2025Show all

2 papers · 1 filter

astro-ph.EP2025

Sequential Fragmentation of C/2025 K1 (ATLAS) After Its Near-Sun Passage

Dennis Bodewits, John W. Noonan, Michael S. P. Kelley +6

Comet C/2025 K1 (ATLAS) reached perihelion at 0.33 au on 2025 October 8. Daily monitoring by the LCO Outbursting Objects Key Project revealed a major activity increase between Nove…

astro-ph.EP2025★ 6 cited

First Detection of Molecular Activity in the Largest Known Oort Cloud Comet: ALMA Imaging of C/2014 UN271 (Bernardinelli-Bernstein) at 16.6 au from the Sun

Nathan X. Roth, Stefanie N. Milam, Martin A. Cordiner +12

We report observations of comet C/2014 UN271 (Bernardinelli-Bernstein) carried out on UT 2024 March 8 and 17 at a heliocentric distance (rH​) of 16.6 au using the Atac…

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