activity
20032022
most citedWide Field CCD photometry around nine open clusters

112 citations · 719 across the 30 of their papers we have counts for

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Showing astro-ph.GAShow all

8 papers · 1 filter

astro-ph.GA2017

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…

astro-ph.GA2017★ 4 cited

Discovery of a distant molecular cloud in the extreme outer Galaxy with the Nobeyama 45-m telescope

Mitsuhiro Matsuo, Hiroyuki Nakanishi, Tetsuhiro Minamidani +10

We report the discovery of the molecular cloud whose kinematic distance is the largest in the Galaxy at the present moment, named G213.0420.003, at 213.042 and $b…

astro-ph.GA2016★ 33 cited

Near infrared diffuse interstellar bands toward the Cygnus OB2 association

Satoshi Hamano, Naoto Kobayashi, Sohei Kondo +16

We obtained the near-infrared (NIR) high-resolution () spectra of the seven brightest early-type stars in the Cygnus OB2 association for investigating the en…

astro-ph.GA2014★ 38 cited

Near-infrared diffuse interstellar bands in 0.91-1.32 micron

Satoshi Hamano, Naoto Kobayashi, Sohei Kondo +16

We present a comprehensive survey of diffuse interstellar bands (DIBs) in m with a newly-developed near-infrared (NIR) spectrograph, WINERED, mounted on the Araki 1.3 m…

astro-ph.GA2014★ 17 cited

Discovery of Dramatic Optical Variability in SDSS J1100+4421: A Peculiar Radio-Loud Narrow-Line Seyfert 1 Galaxy?

Masaomi Tanaka, Tomoki Morokuma, Ryosuke Itoh +55

We present our discovery of dramatic variability in SDSS J1100+4421 by the high-cadence transient survey Kiso Supernova Survey (KISS). The source brightened in the optical by at le…

astro-ph.GA2012★ 16 cited

Multiwavelength Study of NGC 281 Region

Saurabh Sharma, A. K. Pandey, J. C. Pandey +7

We present a multiwavelength study of the NGC 281 complex which contains the young cluster IC 1590 at the center, using deep wide-field optical UBVI_c photometry, slitless spectros…