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researcher

W. Hartkopf

6 papers hereh-index 4310.4k citations224 works total

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

author position
  • middle author3

Across the 3 of 6 papers where every author was matched, so the position is known.

fields
  • astro-ph4
  • astro-ph.GA1
  • astro-ph.SR1

identity via Semantic Scholar / OpenAlex

activity
20042009
most citedThe High Angular Resolution Multiplicity of Massive Stars

556 citations · 661 across the 4 of their papers we have counts for

collaborators
Showing 2008Show all

2 papers · 1 filter

astro-ph2008★ 556 cited

The High Angular Resolution Multiplicity of Massive Stars

Brian D. Mason, William I. Hartkopf, Douglas R. Gies +2

We present the results of a speckle interferometric survey of Galactic massive stars that complements and expands upon a similar survey made over a decade ago. The speckle observat…

astro-ph2008★ 44 cited

Trigonometric Parallaxes for Two Late-Type Subdwarfs: LSR1425+71 (sdM8.0) and the Binary LSR1610-00 (sd?M6pec)

C. C. Dahn, H. C. Harris, S. E. Levine +9

Trigonometric parallax astrometry and BVI photometry are presented for two late-type subdwarf candidates, LSR1425+71 (sdM8.0) and LSR1610-00 (sd?M6pec). For the former we measure a…

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