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Science and Mathematics x Interstellar Medium x clear all

A <sup>12</sup>CO [math]) Survey of Molecular Clouds toward the Vela Supernova Remnant with NANTEN

Yoshiaki Moriguchi, Nobuyuki Yamaguchi, Toshikazu Onishi, Akira Mizuno and Yasuo Fukui.

in Publications of the Astronomical Society of Japan

December 2001; p ublished online December 2001 .

Journal Article. Subjects: Interstellar Medium. 7862 words.

The molecular distribution toward the whole extent of the Vela SNR has been obtained at a linear resolution of 0.15 pc in 12CO ([math]) emission with the NANTEN telescope. The CO...

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A 1.85-m mm-submm Telescope for Large-Scale Molecular Gas Surveys in <sup>12</sup>CO, <sup>13</sup>CO, and C<sup>18</sup>O (<i>J</i> = 2–1)

Toshikazu Onishi, Atsushi Nishimura, Yuya Ota, Akio Hashizume, Yoshiharu Kojima, Akihito Minami, Kazuki Tokuda, Shiori Touga, Yasuhiro Abe, Masahiro Kaiden, Kimihiro Kimura, Kazuyuki Muraoka, Hiroyuki Maezawa, Hideo Ogawa, Kazuhito Dobashi, Tomomi Shimoikura, Yoshinori Yonekura, Shin’ichiro Asayama, Toshihiro Handa, Taku Nakajima, Takashi Noguchi and Nario Kuno.

in Publications of the Astronomical Society of Japan

August 2013; p ublished online August 2013 .

Journal Article. Subjects: Astronomy and Astrophysics; Astronomical Instrumentation, Methods, and Techniques; Interstellar Medium. 7464 words.

We have developed a new mm-submm telescope with a diameter of 1.85-m installed at the Nobeyama Radio Observatory. The scientific goal is to precisely reveal the physical properties of...

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A 8.8–50 GHz Complete Spectral Line Survey toward TMC-1 I. Survey Data

Norio Kaifu, Masatoshi Ohishi, Kentarou Kawaguchi, Shuji Saito, Satoshi Yamamoto, Takeshi Miyaji, Keisuke Miyazawa, Shin-ichi Ishikawa, Chiaki Noumaru, Sumiko Harasawa, Michiko Okuda and Hiroko Suzuki.

in Publications of the Astronomical Society of Japan

February 2004; p ublished online February 2004 .

Journal Article. Subjects: Interstellar Medium. 28007 words.

We completed the first spectral line survey toward a cold, dark cloud TMC-1 (cyanopolyyne peak) in a frequency range between 8.8 and 50.0 GHz by the 45-m radio telescope of Nobeyama Radio...

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Ab Initio Calculations for Detectable New Isomers of Interstellar Carbon-Chain Radicals C<sub>n</sub>(<i>n</i>=2–8)

Junko Takahashi.

in Publications of the Astronomical Society of Japan

June 2000; p ublished online June 2000 .

Journal Article. Subjects: Astrometry and Celestial Mechanics; Interstellar Medium. 0 words.

Detectable new isomers of interstellar carbon-chain (linear) radicals, Cn(n=2–8), were investigated theoretically based on ab initio quantum chemical calculations. The molecular...

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Absolute proper motion of IRAS 00259+5625 with VERA: Indication of superbubble expansion motion

Nobuyuki Sakai, Mayumi Sato, Kazuhito Motogi, Takumi Nagayama, Katsunori M. Shibata, Masahiro Kanaguchi and Mareki Honma.

in Publications of the Astronomical Society of Japan

February 2014; p ublished online February 2014 .

Journal Article. Subjects: Galaxies; Astronomical Instrumentation, Methods, and Techniques; Interstellar Medium. 5934 words.

We present the first measurement of the absolute proper motions of IRAS 00259+5625 (CB3, LBN594) associated with the H i loop called the “NGC 281 superbubble” that extends from the Galactic...

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Absolute Proper Motions of H<sub>2</sub>O Masers Away from the Galactic Plane Measured with VERA in the “Superbubble” Region NGC 281

Mayumi Sato, Tomoya Hirota, Mareki Honma, Hideyuki Kobayashi, Tetsuo Sasao, Takeshi Bushimata, Yoon Kyung Choi, Hiroshi Imai, Kenzaburo Iwadate, Takaaki Jike, Seiji Kameno, Osamu Kameya, Ryuichi Kamohara, Yukitoshi Kan-ya, Noriyuki Kawaguchi, Masachika Kijima, Mi Kyoung Kim, Seisuke Kuji, Tomoharu Kurayama, Seiji Manabe, Kenta Maruyama, Makoto Matsui, Naoko Matsumoto, Takeshi Miyaji, Takumi Nagayama, Akiharu Nakagawa, Kayoko Nakamura, Chung Sik Oh, Toshihiro Omodaka, Tomoaki Oyama, Satoshi Sakai, Katsuhisa Sato, Katsunori M. Shibata, Motonobu Shintani, Yoshiaki Tamura, Miyuki Tsushima and Kazuyoshi Yamashita.

in Publications of the Astronomical Society of Japan

August 2007; p ublished online August 2007 .

Journal Article. Subjects: Galaxies; Astrometry and Celestial Mechanics; Interstellar Medium. 6774 words.

We report on absolute proper-motion measurements of an H2O maser source in the NGC 281 West molecular cloud, which is located [math] 320 pc above the Galactic plane and is associated with...

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Absorption Line Survey of H<sub>3</sub> <sup>+</sup> toward the Galactic Center Sources I. GCS 3-2 and GC IRS3

Miwa Goto, Benjamin J. McCall, Thomas R. Geballe, Tomonori Usuda, Naoto Kobayashi, Hiroshi Terada and Takeshi Oka.

in Publications of the Astronomical Society of Japan

December 2002; p ublished online December 2002 .

Journal Article. Subjects: Galaxies; Interstellar Medium. 6812 words.

We present high-resolution ([math]) spectroscopy of [math] absorption toward the luminous Galactic center sources GCS 3-2 and GC IRS 3. With the efficient wavelength coverage afforded by...

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Absorption Measurement of Hydrogen Molecules in the Early Universe

Hiroshi Shibai, Tsutomu T. Takeuchi, T. N. Rengarajan and Hiroyuki Hirashita.

in Publications of the Astronomical Society of Japan

August 2001; p ublished online August 2001 .

Journal Article. Subjects: Galaxies; Astronomy and Astrophysics; Interstellar Medium. 2880 words.

We investigate the observability of hydrogen molecules in absorption. The absorption efficiency of hydrogen molecules becomes comparable with, or larger than, that of the dust grains in the...

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Absorption-Line Survey of H[math] toward the Galactic Center Sources. III. Extent of Warm and Diffuse Clouds

Miwa Goto, Tomonori Usuda, Thomas R. Geballe, Nick Indriolo, Benjamin J. Mccall, Thomas Henning and Takeshi Oka.

in Publications of the Astronomical Society of Japan

April 2011; p ublished online April 2011 .

Journal Article. Subjects: Galaxies; Interstellar Medium. 3312 words.

We present a follow-up observation on Geballe and Oka (2010, ApJ, 709, L70), who found high column densities of H[math] [math] 100 pc apart from the Galactic center on the lines of sight to...

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Abundance Inhomogeneity in the Northeastern Rim of the Cygnus Loop Revealed by the Suzaku Observatory

Satoru Katsuda, Hiroshi Tsunemi, Hiroyuki Uchida, Emi Miyata, Norbert Nemes, Eric D. Miller, Koji Mori and John. P. Hughes.

in Publications of the Astronomical Society of Japan

February 2008; p ublished online February 2008 .

Journal Article. Subjects: Astronomy and Astrophysics; Interstellar Medium. 3691 words.

We present the results of a spatially resolved spectral analysis from four Suzaku observations covering the northeastern rim of the Cygnus Loop. A two-[math] non-ionization equilibrium...

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