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researcher

A. Hempelmann

8 papers hereh-index 19968 citations89 works total

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

author position
  • middle author6

Across the 6 of 8 papers where every author was matched, so the position is known.

fields
  • astro-ph.SR6
  • astro-ph.HE2

identity via Semantic Scholar / OpenAlex

activity
20152026
most citedThe Ca II infrared triplet's performance as an activity indicator compared to Ca II H and K

60 citations · 137 across the 5 of their papers we have counts for

collaborators
Showing 2018Show all

1 paper · 1 filter

astro-ph.SR2018

Intriguing X-ray and optical variations of the gamma Cas analog HD45314

G. Rauw, Y. Nazé, M. A. Smith +11

A growing number of Be and Oe stars, named the gamma Cas stars, are known for their unusually hard and intense X-ray emission. This emission could either trace accretion by a compa…

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