15 citations · 21 across the 2 of their papers we have counts for
2 papers
astro-ph.SR2019★ 15 cited
Sunspot Observations by Hisako Koyama: 1945-1996
Hisashi Hayakawa, Frédéric Clette, Toshihiro Horaguchi +4
The sunspot record is the only observational tracer of solar activity that provides a fundamental, multi-century reference. Its homogeneity has been largely maintained with a succe…
astro-ph2000★ 6 cited
Infrared Imaging of the Gravitational Lens PG 1115+080 with the Subaru Telescope
F. Iwamuro, K. Motohara, T. Maihara +8
We present high spatial resolution images of the gravitational-lens system PG 1115+080 taken with the near-infrared camera (CISCO) on the Subaru telescope. The FWHM of the combined…