Search Results - "Kameno, Seiji"

Discovery of CCS Velocity-coherent Substructures in the Taurus Molecular Cloud 1 by Dobashi, Kazuhito, Shimoikura, Tomomi, Ochiai, Tetsu, Nakamura, Fumitaka, Kameno, Seiji, Mizuno, Izumi, Taniguchi, Kotomi

“…We present the results of mapping observations toward a nearby starless filamentary cloud, the Taurus Molecular Cloud 1 (TMC-1), in the CCS ( , 45.379033 GHz)…”
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ALMA Polarimetry Measures Magnetically Aligned Dust Grains in the Torus of NGC 1068 by Lopez-Rodriguez, Enrique, Alonso-Herrero, Almudena, García-Burillo, Santiago, Gordon, Michael S., Ichikawa, Kohei, Imanishi, Masatoshi, Kameno, Seiji, Levenson, Nancy A., Nikutta, Robert, Packham, Chris

“…The obscuring structure surrounding active galactic nuclei (AGN) can be explained as a dust and gas flow cycle that fundamentally connects the AGN with their…”
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Spectral Tomography for the Line-of-sight Structures of the Taurus Molecular Cloud 1 by Dobashi, Kazuhito, Shimoikura, Tomomi, Nakamura, Fumitaka, Kameno, Seiji, Mizuno, Izumi, Taniguchi, Kotomi

“…We clarify the line-of-sight structure of the Taurus Molecular Cloud 1 (TMC-1) on the basis of the CCS (JN = 43−32) and HC3N (J = 5−4) spectral data observed…”
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First clear detection of the CCS Zeeman splitting toward the pre-stellar core, Taurus Molecular Cloud 1 by Nakamura, Fumitaka, Kameno, Seiji, Kusune, Takayoshi, Mizuno, Izumi, Dobashi, Kazuhito, Shimoikura, Tomomi, Taniguchi, Kotomi

“…Abstract We report the first clear detection of the Zeeman splitting of a CCS emission line at 45 GHz toward the nearby pre-stellar dense filament, Taurus…”
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Probing the Jet–Torus Interaction in the Radio Galaxy NGC 1052 by Sulfur-bearing Molecules by Kameno, Seiji, Sawada-Satoh, Satoko, Impellizzeri, C. M. Violette, Kohno, Kotaro, Martín, Sergio, Espada, Daniel, Nakai, Naomasa, Sugai, Hajime, Terashima, Yuichi, Lee, Minju M., Kawakatu, Nozomu

“…Abstract The radio galaxy NGC 1052 casts absorption features of sulfur-bearing molecules, H 2 S, SO, SO 2 , and CS toward the radio continuum emission from the…”
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ALMA detection of 321 GHz water maser emission in the radio galaxy NGC 1052 by Kameno, Seiji, Harikane, Yuichi, Sawada-Satoh, Satoko, Sawada, Tsuyoshi, Saito, Toshiki, Nakanishi, Kouichiro, Humphreys, Elizabeth

“…Abstract The Atacama Large Millimeter/submillimeter Array (ALMA) serendipitously detected H2O $J_{K_{\rm a}, K_{\rm c}} = 10_{2,9}$–93, 6 emission at 321 GHz…”
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Characterizing the Accuracy of ALMA Linear-polarization Mosaics by Hull, Charles L. H., Cortes, Paulo C., Gouellec, Valentin J. M. Le, Girart, Josep M., Nagai, Hiroshi, Nakanishi, Kouichiro, Kameno, Seiji, Fomalont, Edward B., Brogan, Crystal L., Moellenbrock, George A., Paladino, Rosita, Villard, Eric

“…We characterize the accuracy of linear-polarization mosaics made using the Atacama Large Millimeter/submillimeter Array (ALMA). First, we observed the bright,…”
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Optimization by Smoothed Bandpass Calibration in Radio Spectroscopy by Yamaki, Haruka, Kameno, Seiji, Beppu, Hirohisa, Mizuno, Izumi, Imai, Hiroshi

“…We have developed the Smoothed Bandpass Calibration (SBC) method and the best suitable scan pattern to optimize radio spectroscopic observations. Adequate…”
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Multifrequency Polarimetry of the NRAO 140 Jet: Possible Detection of a Helical Magnetic Field and Constraints on Its Pitch Angle by Asada, Keiichi, Inoue, Makoto, Nakamura, Masanori, Kameno, Seiji, Nagai, Hiroshi

“…We present results from multifrequency polarimetry of NRAO 140 using the Very Long Baseline Array. These observations allow us to reveal the distributions of…”
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VLBI Monitoring of 3C 84 (NGC 1275) in Early Phase of the 2005 Outburst by Nagai, Hiroshi, Suzuki, Kenta, Asada, Keiichi, Kino, Motoki, Kameno, Seiji, Doi, Akihiro, Inoue, Makoto, Kataoka, Jun, Bach, Uwe, Hirota, Tomoya, Matsumoto, Naoko, Honma, Mareki, Kobayashi, Hideyuki, Fujisawa, Kenta

“…Multi-epoch Very Long Baseline Interferometry (VLBI) study of a sub-pc scale jet of 3C 84 is presented. We carried out 14-epoch VLBI observations during…”
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IMPLICATION OF FORMATION MECHANISMS OF HC5N IN TMC-1 AS STUDIED BY 13C ISOTOPIC FRACTIONATION by Taniguchi, Kotomi, Ozeki, Hiroyuki, Saito, Masao, Sakai, Nami, Nakamura, Fumitaka, Kameno, Seiji, Takano, Shuro, Yamamoto, Satoshi

“…ABSTRACT We observed the J = 9 − 8 and 16 − 15 rotational transitions of the normal species and five 13C isotopologues of HC5N to study its formation…”
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Distance to Orion KL Measured with VERA by Hirota, Tomoya, Bushimata, Takeshi, Choi, Yoon Kyung, Honma, Mareki, Imai, Hiroshi, Iwadate, Kenzaburo, Jike, Takaaki, Kameno, Seiji, Kameya, Osamu, Kamohara, Ryuichi, Kan-ya, Yukitoshi, Kawaguchi, Noriyuki, Kijima, Masachika, Kim, Mi Kyoung, Kobayashi, Hideyuki, Kuji, Seisuke, Kurayama, Tomoharu, Manabe, Seiji, Maruyama, Kenta, Matsui, Makoto, Matsumoto, Naoko, Miyaji, Takeshi, Nagayama, Takumi, Nakagawa, Akiharu, Nakamura, Kayoko, Oh, Chung Sik, Omodaka, Toshihiro, Oyama, Tomoaki, Sakai, Satoshi, Sasao, Tetsuo, Sato, Katsuhisa, Sato, Mayumi, Shibata, Katsunori M., Shintani, Motonobu, Tamura, Yoshiaki, Tsushima, Miyuki, Yamashita, Kazuyoshi

“…We present the initial results of multiepoch VLBI observations of 22 GHz H $_{2}$ O masers in the Orion KL region with VERA (VLBI Exploration of Radio…”
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Positional Coincidence of H2O Maser and a Plasma-Obscuring Torus in Radio Galaxy NGC 1052 by Sawada-Satoh, Satoko, Kameno, Seiji, Nakamura, Kayoko, Namikawa, Daichi, Shibata, Katsunori M, Inoue, Makoto

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Z45: A new 45-GHz band dual-polarization HEMT receiver for the NRO 45-m radio telescope by Nakamura, Fumitaka, Ogawa, Hideo, Yonekura, Yoshinori, Kimura, Kimihiko, Okada, Nozomi, Kozu, Minato, Hasegawa, Yutaka, Tokuda, Kazuki, Ochiai, Tetsu, Mizuno, Izumi, Dobashi, Kazuhito, Shimoikura, Tomomi, Kameno, Seiji, Taniguchi, Kotomi, Shinnaga, Hiroko, Takano, Shuro, Kawabe, Ryohei, Nakajima, Taku, Iono, Daisuke, Kuno, Nario, Onishi, Toshikazu, Momose, Munetake, Yamamoto, Satoshi

“…We developed a dual-linear-polarization HEMT (High Electron Mobility Transistor) amplifier receiver system of the 45-GHz band (hereafter Z45), and installed it…”
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NUCLEAR RADIO JET FROM A LOW-LUMINOSITY ACTIVE GALACTIC NUCLEUS IN NGC 4258 by Doi, Akihiro, Kohno, Kotaro, Nakanishi, Kouichiro, Kameno, Seiji, Inoue, Makoto, Hada, Kazuhiro, Sorai, Kazuo

“…The nearby low-luminosity active galactic nucleus (LLAGN) NGC 4258 has a weak radio continuum component at the galactic center. We investigate its radio…”
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The Expanding Radio Lobe of 3C 84 Revealed by VSOP Observations by Asada, Keiichi, Kameno, Seiji, Shen, Zhi-Qiang, Horiuchi, Shinji, Gabuzda, Denise C., Inoue, Makoto

“…The expansion and inner proper motions of a young radio lobe associated with the bright radio source 3C 84 in the Seyfert galaxy NGC 1275 have been detected by…”
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VLBI Imagings of a Kilo-Parsec Knot in 3C 380 by Koyama, Shoko, Kino, Motoki, Nagai, Hiroshi, Hada, Kazuhiro, Kameno, Seiji, Kobayashi, Hideyuki

“…We investigated observational properties of a kilo-parsec scale knot in the radio-loud quasar 3C 380 by using two epoch archival data obtained by Very Long…”
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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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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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A New System Noise Measuring Method Using a 2-Bit Analog-to-Digital Converter by Nakatake, Aki, Kameno, Seiji, Takeda, Koji

“…We propose a new measuring method for the system noise temperature, $T_{\rm sys}$ , using a 2-bit analog-to-digital converter (ADC). Statistics of the…”
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