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A. Pappa

6 papers hereh-index 8290 citations19 works total

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

author position
  • first author4

Across the 4 of 6 papers where every author was matched, so the position is known.

fields
  • astro-ph5
  • astro-ph.EP1

identity via Semantic Scholar / OpenAlex

activity
19992020
most citedThe X-ray spectra of optically selected Seyfert 2 galaxies. Are there any Sy2 galaxies with no absorption?

90 citations · 148 across the 6 of their papers we have counts for

collaborators
Showing 1999Show all

1 paper · 1 filter

astro-ph1999★ 16 cited

X-ray observations of the Ultraluminous infrared galaxy IRAS19254-7245 (The Superantennae)

A. Pappa, I. Georgantopoulos, G. C. Stewart

We present ROSAT HRI and ASCA observations of the well known ULIRG IRAS19254-7245 (the Superantennae). The object is not detected by ROSAT yielding a 3σupper limit of L_x ~8x10^{41…

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