◍wovepaper
SearchResearchersInstitutions
Sign in
researcher

S. Koyama

15 papers hereh-index 9238 citations21 works total

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

author position
  • first author1
  • middle author10
  • last author1

Across the 12 of 15 papers where every author was matched, so the position is known.

fields
  • astro-ph.HE13
  • astro-ph.CO1
  • astro-ph.SR1
same name
  • S. Koyama — 75 papers, h 31
  • S. Koyama — 32 papers, h 23
  • S. Koyama — 16 papers, h 13
  • S. Koyama — 9 papers, h 14
  • S. Koyama — 9 papers, h 4
  • S. Koyama — 8 papers, h 3

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
20102024
most citedRadio and gamma-ray follow-up of the exceptionally high activity state of PKS 1510-089 in 2011

66 citations · 298 across the 14 of their papers we have counts for

collaborators
Showing 2015Show all

2 papers · 1 filter

astro-ph.HE2015★ 16 cited

Discovery of a wandering radio jet base after a large X-ray flare in the blazar Markarian 421

K. Niinuma, M. Kino, A. Doi +3

We investigate the location of the radio jet bases ("radio cores") of blazars in radio images, and their stationarity by means of dense very long baseline interferometry (VLBI) obs…

astro-ph.HE2015★ 2 cited

A strong radio brightening at the jet base of M87 in the period of the elevated TeV gamma-ray state in 2012

K. Hada, M. Giroletti, M. Kino +18

The nearby radio galaxy M87 offers a unique opportunity for exploring the connection between gamma-ray production and jet formation at an unprecedented linear resolution. However,…

◍wovepaper

Papers, researchers and institutions, woven together.

Explore
  • Search
  • Researchers
  • Institutions
Account
  • Library
  • Chat
Data
  • arXiv.org
  • Semantic Scholar
  • OpenAlex
  • Latest RSS
AboutContactPrivacyDevelopersllms.txtopenapi.json
Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.