activity
20092022
most citedJ-GEM observations of an electromagnetic counterpart to the neutron star merger GW170817

206 citations · 551 across the 20 of their papers we have counts for

collaborators

20 papers

astro-ph.GA2022★ 3 cited

A New Polar Ring Galaxy Discovered in the COSMOS Field

Minoru Nishimura, Kazuya Matsubayashi, Takashi Murayama +1

In order to understand the formation and evolution of galaxies fully, it is important to study their three-dimensional gravitational potential for a large sample of galaxies. Since…

astro-ph.GA2022★ 9 cited

Optical IFU Observations of GOALS Sample with KOOLS-IFU on Seimei Telescope: Initial results of 9 U/LIRGs at 0.04

Yoshiki Toba, Satoshi Yamada, Kazuya Matsubayashi +23

We present ionized gas properties of 9 local ultra/luminous infrared galaxies (U/LIRGs) at 0.04 through IFU observations with KOOLS-IFU on Seimei Telescope. The observed targ…

astro-ph.GA2021★ 7 cited

Multiple MgII Absorption Systems in the Lines of Sight to Quadruply Lensed Quasar H1413+1143

Katsuya Okoshi, Yosuke Minowa, Nobunari Kashikawa +6

We find multiple Mg II absorption systems at redshift z=1.66, 2.069, and 2.097 in the spatially resolved spectra of the quadruply gravitationally lensed quasar H1413+1143 utilizing…

astro-ph.HE2021★ 19 cited

Intermediate Luminosity Type Iax SN 2019muj With Narrow Absorption Lines: Long-Lasting Radiation Associated With a Possible Bound Remnant Predicted by the Weak Deflagration Model

Miho Kawabata, Keiichi Maeda, Masayuki Yamanaka +23

We present comprehensive spectroscopic and photometric analyses of the intermediate luminosity Type Iax supernova (SN Iax) 2019muj based on multi-band datasets observed through the…

astro-ph.HE2021★ 10 cited

J-GEM optical and near-infrared follow-up of gravitational wave events during LIGO's and Virgo's third observing run

Mahito Sasada, Yousuke Utsumi, Ryosuke Itoh +68

The Laser Interferometer Gravitational-wave Observatory Scientific Collaboration and Virgo Collaboration (LVC) sent out 56 gravitational-wave (GW) notices during the third observin…

astro-ph.HE2019★ 28 cited

Type Ia SN 2019ein: New Insights into the Similarities and diversities among High-Velocity SNe Ia

Miho Kawabata, Keiichi Maeda, Masayuki Yamanaka +38

We present optical observations of type Ia supernova (SN) 2019ein, starting at 2 days after the estimated explosion date. The spectra and the light curves show that SN 2019ein belo…