activity
20082019
most citedPlanetary-scale variations in winds and UV brightness at the Venusian cloud top: Periodicity and temporal evolution

34 citations · 120 across the 5 of their papers we have counts for

collaborators

5 papers

astro-ph.EP2019★ 34 cited

Planetary-scale variations in winds and UV brightness at the Venusian cloud top: Periodicity and temporal evolution

Masataka Imai, Toru Kouyama, Yukihiro Takahashi +9

Planetary-scale waves at the Venusian cloud-top cause periodic variations in both winds and ultraviolet (UV) brightness. While the wave candidates are the 4-day Kelvin wave and 5-d…

astro-ph.EP2017★ 31 cited

Return to Venus of the Japanese Venus Climate Orbiter AKATSUKI

Masato Nakamura, Yasuhiro Kawakatsu, Chikako Hirose +19

Japanese Venus Climate Orbiter/AKATSUKI was proposed in 2001 with strong support by international Venus science community and approved as an ISAS (The Institute of Space and Astron…

astro-ph.HE2013★ 17 cited

Dense optical and near-infrared monitoring of CTA 102 during high state in 2012 with OISTER: Detection of intra-night "orphan polarized flux flare"

Ryosuke Itoh, Yasushi Fukazawa, Yasuyuki T. Tanaka +35

CTA 102, classified as a flat spectrum radio quasar at z=1.037, produced exceptionally bright optical flare in 2012 September. Following Fermi-LAT detection of enhanced gamma-ray a…

astro-ph.IM2012★ 13 cited

The JEM-EUSO Mission: Status and Prospects in 2011

EUSO Collaboration, J. H. Adams, S. Ahmad +256

Contributions of the JEM-EUSO Collaboration to the 32nd International Cosmic Ray Conference, Beijing, August, 2011.

physics.ao-ph2008★ 25 cited

A study of the possibility of sprites in the atmospheres of other planets

Yoav Yair, Yukihiro Takahashi, Roy Yaniv +2

Sprites are a spectacular type of transient luminous events (TLE) which occur above thunderstorms immediately after lightning. They have shapes of giant jellyfish, carrots or colum…