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researcher

J. Helmboldt

36 papers hereh-index 202.1k citations81 works total

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

author position
  • sole author2
  • first author11
  • middle author13
  • last author1

Across the 27 of 36 papers where every author was matched, so the position is known.

fields
  • astro-ph15
  • physics.space-ph6
  • astro-ph.CO4
  • astro-ph.GA3
  • astro-ph.HE3
  • astro-ph.IM3
same name
  • J. Helmboldt — 1 paper, h 4

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20032024
most citedThe First Data Release of the Sloan Digital Sky Survey

972 citations · 2.3k across the 36 of their papers we have counts for

collaborators
Showing 2007Show all

3 papers · 1 filter

astro-ph2007★ 43 cited

Characteristics of EGRET Blazars in the VLBA Imaging and Polarimetry Survey (VIPS)

G. B. Taylor, S. E. Healey, J. F. Helmboldt +12

We examine the radio properties of EGRET-detected blazars observed as part of the VLBA Imaging and Polarimetry Survey (VIPS). VIPS has a flux limit roughly an order of magnitude be…

astro-ph2007★ 24 cited

Radio Frequency Spectra of 388 Bright 74 MHz Sources

J. F. Helmboldt, N. E. Kassim, A. S. Cohen +2

As a service to the community, we have compiled radio frequency spectra from the literature for all sources within the VLA Low Frequency Sky Survey (VLSS) that are brighter than 15…

astro-ph2007★ 15 cited

The HI content of elliptical and lenticular galaxies with recent star formation

J. F. Helmboldt

As a first step toward constraining the efficiency of the star formation episodes that lead to elliptical (E) and lenticular (S0) K+A galaxies, a survey for HI within a sample of E…

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