132 citations · 371 across the 16 of their papers we have counts for
16 papers
Spectroscopic Observations of V455 Andromedae Superoutburst in 2007: the Most Exotic Spectral Features in Dwarf Nova Outbursts
Yusuke Tampo, Daisaku Nogami, Taichi Kato +10
We present our spectroscopic observations of V455 Andromedae during the 2007 superoutburst. Our observations cover this superoutburst from around the optical peak of the outburst t…
Spectrum variability of the active solar-type star Xi Bootis A
Yoichi Takeda, Satoshi Honda, Hikaru Taguchi +1
An extensive spectroscopic study on ξBoo A (chromospherically active solar-type star) was conducted based on the spectra obtained in 2008 December though 2010 May, with an aim to d…
Spectroscopic Determination of Capella's Photospheric Abundances: Possible Influence of Stellar Activity
Yoichi Takeda, Osamu Hashimoto, Satoshi Honda
Capella is a spectroscopic binary consisting of two G-type giants, where the primary (G8III) is a normal red-clump giant while the secondary (G0III) is a chromospherically-active f…
On the Nature of Long-Period Dwarf Novae with Rare and Low-Amplitude Outbursts
Mariko Kimura, Taichi Kato, Hiroyuki Maehara +35
There are several peculiar long-period dwarf-nova like objects, which show rare, low-amplitude outbursts with highly ionized emission lines. 1SWASP J162117441254, BD Pav, and V3…
OISTER Optical and Near-Infrared Monitoring Observations of a Peculiar Radio-Loud Active Galactic Nucleus SDSS J110006.07+442144.3
Tomoki Morokuma, Masaomi Tanaka, Yasuyuki T. Tanaka +80
We present monitoring campaign observations at optical and near-infrared (NIR) wavelengths for a radio-loud active galactic nucleus (AGN) at z=0.840, SDSS~J110006.07+442144.3 (here…
Broad-Lined Supernova 2016coi with Helium Envelope
Masayuki Yamanaka, Tatsuya Nakaoka, Masaomi Tanaka +38
We present the early-phase spectra and the light curves of the broad-lined supernova (SN) 2016coi from to days after the estimated explosion date. This SN was initially…