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researcher

A. Ptak

5 papers hereh-index 171k citations32 works total

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

author position
  • first author1
  • middle author1
  • last author1

Across the 3 of 5 papers where every author was matched, so the position is known.

fields
  • astro-ph5
same name
  • A. Ptak — 16 papers, h 30
  • A. Ptak — 3 papers, h 29
  • A. Ptak — 2 papers, h 10
  • A. Ptak — 1 paper, h 4
  • A. Ptak — 1 paper, h 22

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
20042007
most citedFeedback in the local LBG Analog Haro 11 as probed by far-UV and X-ray observations

109 citations · 109 across the 1 of their papers we have counts for

collaborators
Showing 2005Show all

1 paper · 1 filter

astro-ph2005

The Relationship of Hard X-ray and Optical Line Emission in Low Redshift Active Galactic Nuclei

T. M. Heckman, A. Ptak, A. Hornschemeier +1

In this paper we assess the relationship of the population of Active Galactic Nuclei (AGN) selected by hard X-rays to the traditional population of AGN with strong optical emission…

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