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R. Koga

3 papers hereh-index 8438 citations44 works total

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

author position
  • middle author3

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

fields
  • astro-ph.EP2
  • astro-ph.IM1
same name
  • R. Koga — 1 paper, h 2

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

collaborators

3 papers

astro-ph.IM2025

Measurement of the Temperature Dependence of the Refractive Index of CdZnTe

Umi Enokidani, Hideo Matsuhara, Takao Nakagawa +8

We have been developing a CdZnTe immersion grating for a compact high-dispersion mid-infrared spectrometer (wavelength range 10--18 I^¼m, spectral resolution R=I^»/I^”I^»>25,000…

astro-ph.EP2025

Mid-Infrared Imaging Spectroscopy of N2O Solid Simulating the haze of trans-Neptunian objects

Daiki Takama, Ryoichi Koga, Shohei Negishi +4

\ Nitrous oxide (N2​O) ice is likely to exist in trans-Neptunian objects such as Pluto and Triton, potentially formed through ultraviolet (UV) radiation from the Sun or cosmic ra…

astro-ph.EP2025

Mass supply from Io to Jupiter's magnetosphere

L. Roth, A. Blöcker, K. de Kleer +24

Since the Voyager mission flybys in 1979, we have known the moon Io to be both volcanically active and the main source of plasma in the vast magnetosphere of Jupiter. Material lost…

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