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researcher

K. Koyama

27 papers hereh-index 5312.1k citations541 works total

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

author position
  • sole author2
  • first author2
  • middle author12
  • last author6

Across the 22 of 27 papers where every author was matched, so the position is known.

fields
  • astro-ph26
  • astro-ph.GA1
same name
  • K. Koyama — 55 papers, h 74
  • K. Koyama — 5 papers, h 27
  • K. Koyama — 3 papers
  • K. Koyama — 2 papers, h 6
  • K. Koyama — 1 paper, h 13
  • K. Koyama — 1 paper, h 5

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
19972009
most citedThe NeXT Mission

22 citations · 32 across the 12 of their papers we have counts for

collaborators
Showing 2003Show all

4 papers · 1 filter

astro-ph2003

Fine Structure of the Thermal and Non-Thermal X-Rays in the SN 1006 Shell

A. Bamba, R. Yamazaki, M. Ueno +1

The North Eastern shell of SN 1006 is the most probable acceleration site of high energy electrons (up to about 100 TeV) with the Fermi acceleration mechanism at the shock front. W…

astro-ph2003

Fine Structures of Shock of SN 1006 with the Chandra Observation

Aya Bamba, Ryo Yamazaki, Masaru Ueno +1

The north east shell of SN 1006 is the most probable acceleration site of high energy electrons (up to ~ 100 TeV) with the Fermi acceleration mechanism at the shock front. We resol…

astro-ph2003

Diffuse Hard X-ray Sources Discovered with the ASCA Galactic Plane Survey

Aya Bamba, Masaru Ueno, Katsuji Koyama +1

We found diffuse hard X-ray sources, G11.0+0.0, G25.5+0.0, and G26.6-0.1 in the ASCA Galactic plane survey data. The X-ray spectra are featureless with no emission line, and are fi…

astro-ph2003

Chandra Observations of a Non-Thermal Supernova Remnant Candidate AX J1843.8-0352 and its Surroundings

Masaru Ueno, Aya Bamba, Katsuji Koyama +1

We present the Chandra results of AX J1843.8-0352, a supernova remnant (SNR) recently identified with ASCA. Chandra spatially resolved two components from this SNR: non-thermal and…

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