Search Results - "Kameno, S"

VLBI and single-dish monitoring of 3C 84 for the period 2009-2011 by Nagai, H., Orienti, M., Kino, M., Suzuki, K., Giovannini, G., Doi, A., Asada, K., Giroletti, M., Kataoka, J., D'Ammando, F., Inoue, M., Lähteenmäki, A., Tornikoski, M., León-Tavares, J., Kameno, S., Bach, U.

“…ABSTRACT The radio galaxy 3C 84 is a representative of γ-ray-bright misaligned active galactic nuclei (AGNs) and one of the best laboratories to study the…”
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A high-frequency radio survey of low-luminosity active galactic nuclei by Doi, A., Kameno, S., Kohno, K., Nakanishi, K., Inoue, M.

“…We investigate the high-frequency radio spectra of 20 low-luminosity active galactic nuclei (LLAGNs) with compact radio cores. Our millimetre survey with the…”
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Radio spectra of the low-luminosity active galactic nucleus NGC 266 at centimetre-to-submillimetre wavelengths by Doi, A., Kameno, S., Inoue, M.

“…We report multi-frequency and multi-epoch radio continuum observations with multi-spatial resolution for the low-luminosity active galactic nucleus (LLAGN) NGC…”
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Probing the nature of multiple lobe-like emissions in 3C 84 by Nagai, H., Asada, K., Doi, A., Kameno, S., Inoue, M.

“…The bright radio source 3C 84 has a CSO‐like feature in the central 10‐pc scale with extended emissions on scale up to kpc. Our kinematic and synchrotron age…”
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H2O maser and a plasma obscuring torus in the radio galaxy NGC 1052 by Sawada-Satoh, S., Kameno, S., Nakamura, K., Namikawa, D., Shibata, K. M., Inoue, M.

“…We present multi‐frequency simultaneous VLBA observations at 15, 22 and 43 GHz towards the nucleus of the nearby radio galaxy NGC 1052. These three continuum…”
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The Center of Activity in the Compact Steep-Spectrum Superluminal Source 3C 138 by Shen, Z.-Q, Shang, L.-L, Cai, H.-B, Chen, X, Jiang, D. R, Chen, Y.-J, Liu, X, Yang, R, Kameno, S, Hirabayashi, H

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Rotation Measure and Opacity Asymmetry in 2134+004 by Mutoh, M., Inoue, M., Kameno, S., Asada, K.

“…Based on the free–free absorption (FFA) model of gigahertz peaked spectrum (GPS) sources, we explain both Faraday rotation asymmetry and opacity asymmetry…”
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VSOP observations of a GHZ-peaked spectrum source OQ 208 by Kameno, S., Horiuchi, S., Inoue, M., Hirabayashi, H.

“…We present λ18 cm VSOP observations towards a GHz-peaked spectrum (GPS) source OQ 208. A double lobe seen by high-frequency ground VLBI observations is…”
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Imaging capability of the Mitaka VSOP correlator by Horiuchi, S., Kameno, S., Nan, R., Shibata, K., Inoue, M., Kobayashi, H., Murata, Y., Fomalont, E., Carlson, B.

“…We have made a comparison between data between the Mitaka and Penticton correlators, using VSOP observations of NRAO530 at 1.6 GHz. After calibrating the data…”
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High resolution VSOP image of the southern blazar PKS 1921-293 at 18 cm by Shen, Zhi-Qiang, Edwards, P.G., Lovell, J.E.J., Fujisawa, K., Kameno, S.

“…We present a preliminary report on the high resolution imaging of the nearby southern blazar PKS 1921-293, observed at 18 cm from the VSOP In-Orbit Checkout…”
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HALCA onboard VLBI observing system performance by Kobayashi, H., Wajima, K., Hirabayashi, H., Murata, Y., Kawaguchi, N., Kameno, S., Shibata, K.M., Fujisawa, K., Inoue, M., Hirosawa, H.

“…The space VLBI satellite HALCA was launched on February 12, 1997. It is the first Radio astronomy satellite. We report the performance of onboard radio…”
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The nuclear region of NGC 3079 by Satoh, Satoko, Inoue, M, Nakai, N, Shibata, K.M, Kameno, S, Migenes, V, Diamond, P.J

“…We report on high resolution studies of the nuclear region of NGC 3079 using H 2O maser, continuum emission and HI absorption with both Japan VLBI Netowrk and…”
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A Helical Magnetic Field in the Jet of 3C 273 by Asada, Keiichi, Inoue, Makoto, Uchida, Yutaka, Kameno, Seiji, Fujisawa, Kenta, Iguchi, Satoru, Mutoh, Mutsumi

“…Both in the Faraday Rotation Measure and the intrinsic polarization angle, new features are revealed to indicate a helical magnetic field operating along the…”
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Overview and current status of the VSOP mission by Lovell, J.E.J, Hirabayashi, H, Kobayashi, H, Murata, Y, Edwards, P.G, Moellenbrock, G.A, Horiuchi, S, Fomalont, E.B, Kameno, S, Shibata, K.M

“…An overview and status report of the VLBI Space Observatory Programme is presented…”
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VLBI Observations of the Most Radio-Loud, Narrow-Line Quasar SDSS J094857.3 + 002225 by Doi, Akihiro, Nagai, Hiroshi, Asada, Keiichi, Kameno, Seiji, Wajima, Kiyoaki, Inoue, Makoto

“…We observed the narrow-line quasar SDSS J094857.3 $+$ 002225, which is known to have the highest radio loudness in the narrow-line Seyfert 1 galaxies (NLS1s),…”
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HALCA's Onboard VLBI Observing System by Kobayashi, Hideyuki, Wajima, Kiyoaki, Hirabayashi, Hisashi, Murata, Yasuhiro, Kawaguchi, Noriyuki, Kameno, Seiji, Shibata, Katsunori M., Fujisawa, Kenta, Inoue, Makoto, Hirosawa, Haruto

“…Abstract The first space VLBI satellite, HALCA, was launched on 1997 February 12. We report the characteristics of HALCA as an orbiting VLBI station with 8-m…”
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Radio spectra of the low-luminosity active galactic nucleus NGC 266 at centimetre-to-submillimetre wavelengths by Doi, A., Kameno, S., Inoue, M.

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A high-frequency radio survey of low-luminosity active galactic nuclei by Doi, A., Kameno, S., Kohno, K., Nakanishi, K., Inoue, M.

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Emergence of a Narrow H2O Maser Feature in NGC 1052 by Kameno, Seiji, Nakai, Naomasa, Sawada-Satoh, Satoko, Sato, Naoko, Haba, Arisa

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Overview and Initial Results of the Very Long Baseline Interferometry Space Observatory Programme by Hirabayashi, H., Hirosawa, H., Kobayashi, H., Murata, Y., Edwards, P. G., Fomalont, E. B., Fujisawa, K., Ichikawa, T., Kii, T., Lovell, J. E. J., Moellenbrock, G. A., Okayasu, R., Inoue, M., Kawaguchi, N., Kameno, S., Shibata, K. M., Asaki, Y., Bushimata, T., Enome, S., Horiuchi, S., Miyaji, T., Umemoto, T., Migenes, V., Wajima, K., Nakajima, J., Morimoto, M., Ellis, J., Meier, D. L., Murphy, D. W., Preston, R. A., Smith, J. G., Tingay, S. J., Traub, D. L., Wietfeldt, R. D., Benson, J. M., Claussen, M. J., Flatters, C., Romney, J. D., Ulvestad, J. S., D'Addario, L. R., Langston, G. I., Minter, A. H., Carlson, B. R., Dewdney, P. E., Jauncey, D. L., Reynolds, J. E., Taylor, A. R., McCulloch, P. M., Cannon, W. H., Gurvits, L. I., Mioduszewski, A. J., Schilizzi, R. T., Booth, R. S.

“…High angular resolution images of extragalactic radio sources are being made with the Highly Advanced Laboratory for Communications and Astronomy (HALCA)…”
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