Initial results from nobeyama molecular gas observations of distant bright galaxies

Daisuke Iono; Bunyo Hatsukade; Kotaro Kohno; Ryohei Kawabe; Soh Ikarashi; Kohei Ichikawa; Tadayuki Kodama; Kentaro Motohara; Taku Nakajima; Koichiro Nakanishi; Kouji Ohta; Kazuaki Ota; Toshiki Saito; Kenta Suzuki; Ken Ichi Tadaki; Yoichi Tamura; Junko Ueda; Hideki Umehata; Kiyoto Yabe; Tessei Yoshida; Suraphong Yuma; Nario Kuno; Shuro Takano; Hiroyuki Iwashita; Kazuyuki Handa; Aya Higuchi; Akihiko Hirota; Shinichi Ishikawa; Kimihiro Kimura; Jun Maekawa; Hiroshi Mikoshiba; Chieko Miyazawa; Kazuhiko Miyazawa; Kazuyuki Muraoka; Hideo Ogawa; Sachiko Onodera; Yasufumi Saito; Takeshi Sakai; Shigeru Takahashi; Min S. Yun

doi:10.1093/pasj/64.4.L2

Initial results from nobeyama molecular gas observations of distant bright galaxies

Daisuke Iono, Bunyo Hatsukade, Kotaro Kohno, Ryohei Kawabe, Soh Ikarashi, Kohei Ichikawa, Tadayuki Kodama, Kentaro Motohara, Taku Nakajima, Koichiro Nakanishi, Kouji Ohta, Kazuaki Ota, Toshiki Saito, Kenta Suzuki, Ken Ichi Tadaki, Yoichi Tamura, Junko Ueda, Hideki Umehata, Kiyoto Yabe, Tessei YoshidaSuraphong Yuma, Nario Kuno, Shuro Takano, Hiroyuki Iwashita, Kazuyuki Handa, Aya Higuchi, Akihiko Hirota, Shinichi Ishikawa, Kimihiro Kimura, Jun Maekawa, Hiroshi Mikoshiba, Chieko Miyazawa, Kazuhiko Miyazawa, Kazuyuki Muraoka, Hideo Ogawa, Sachiko Onodera, Yasufumi Saito, Takeshi Sakai, Shigeru Takahashi, Min S. Yun

研究成果: Review article › 査読

14 被引用数 (Scopus)

抄録

We present initial results from the CO survey toward high-redshift galaxies using the Nobeyama 45m telescope. Using a new wide bandwidth spectrometer equipped with a two-beam SIS receiver, we have obtained three new detections of high-redshift (z = 1.6-3.4) submillimeter galaxies (SXDF 1100.001/HXMM02, SDP9, and SDP17), one tentative detection (SDSS J160705+533558), and one non-detection (COSMOS-AzTEC1). The galaxies observed during the commissioning phase are sources with known spectroscopic redshifts from previous optical or wide-band submillimeter spectroscopy. The derived molecular gas mass and line widths from Gaussian fits are ∼ 10¹¹ M_⊙ and 430-530km s ^-1, respectively, which are consistent with previous CO observations of distant submillimeter galaxies and quasars. The spectrometer, which realizes a maximum of 32 GHz instantaneous bandwidth, will provide new science capabilities at the Nobeyama 45m telescope, allowing us to determine redshifts of bright submillimeter selected galaxies without any prior redshift information.

本文言語	English
ページ（範囲）	L2
ジャーナル	Publications of the Astronomical Society of Japan
巻	64
号	4
DOI	https://doi.org/10.1093/pasj/64.4.L2
出版ステータス	Published - 2012 8 25
外部発表	はい

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

文献へのアクセス

10.1093/pasj/64.4.L2

他のファイルとリンク

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引用スタイル

Iono, D., Hatsukade, B., Kohno, K., Kawabe, R., Ikarashi, S., Ichikawa, K., Kodama, T., Motohara, K., Nakajima, T., Nakanishi, K., Ohta, K., Ota, K., Saito, T., Suzuki, K., Tadaki, K. I., Tamura, Y., Ueda, J., Umehata, H., Yabe, K., ... Yun, M. S. (2012). Initial results from nobeyama molecular gas observations of distant bright galaxies. Publications of the Astronomical Society of Japan, 64(4), L2. https://doi.org/10.1093/pasj/64.4.L2

Initial results from nobeyama molecular gas observations of distant bright galaxies. / Iono, Daisuke; Hatsukade, Bunyo; Kohno, Kotaro; Kawabe, Ryohei; Ikarashi, Soh; Ichikawa, Kohei ; Kodama, Tadayuki; Motohara, Kentaro; Nakajima, Taku; Nakanishi, Koichiro; Ohta, Kouji; Ota, Kazuaki; Saito, Toshiki; Suzuki, Kenta; Tadaki, Ken Ichi; Tamura, Yoichi; Ueda, Junko; Umehata, Hideki; Yabe, Kiyoto; Yoshida, Tessei; Yuma, Suraphong; Kuno, Nario; Takano, Shuro; Iwashita, Hiroyuki; Handa, Kazuyuki; Higuchi, Aya; Hirota, Akihiko; Ishikawa, Shinichi; Kimura, Kimihiro; Maekawa, Jun; Mikoshiba, Hiroshi; Miyazawa, Chieko; Miyazawa, Kazuhiko; Muraoka, Kazuyuki; Ogawa, Hideo; Onodera, Sachiko; Saito, Yasufumi; Sakai, Takeshi; Takahashi, Shigeru; Yun, Min S.

In: Publications of the Astronomical Society of Japan, Vol. 64, No. 4, 25.08.2012, p. L2.

研究成果: Review article › 査読

Iono, D, Hatsukade, B, Kohno, K, Kawabe, R, Ikarashi, S, Ichikawa, K , Kodama, T, Motohara, K, Nakajima, T, Nakanishi, K, Ohta, K, Ota, K, Saito, T, Suzuki, K, Tadaki, KI, Tamura, Y, Ueda, J, Umehata, H, Yabe, K, Yoshida, T, Yuma, S, Kuno, N, Takano, S, Iwashita, H, Handa, K, Higuchi, A, Hirota, A, Ishikawa, S, Kimura, K, Maekawa, J, Mikoshiba, H, Miyazawa, C, Miyazawa, K, Muraoka, K, Ogawa, H, Onodera, S, Saito, Y, Sakai, T, Takahashi, S & Yun, MS 2012, 'Initial results from nobeyama molecular gas observations of distant bright galaxies', Publications of the Astronomical Society of Japan, vol. 64, no. 4, pp. L2. https://doi.org/10.1093/pasj/64.4.L2

Iono, Daisuke ; Hatsukade, Bunyo ; Kohno, Kotaro ; Kawabe, Ryohei ; Ikarashi, Soh ; Ichikawa, Kohei ; Kodama, Tadayuki ; Motohara, Kentaro ; Nakajima, Taku ; Nakanishi, Koichiro ; Ohta, Kouji ; Ota, Kazuaki ; Saito, Toshiki ; Suzuki, Kenta ; Tadaki, Ken Ichi ; Tamura, Yoichi ; Ueda, Junko ; Umehata, Hideki ; Yabe, Kiyoto ; Yoshida, Tessei ; Yuma, Suraphong ; Kuno, Nario ; Takano, Shuro ; Iwashita, Hiroyuki ; Handa, Kazuyuki ; Higuchi, Aya ; Hirota, Akihiko ; Ishikawa, Shinichi ; Kimura, Kimihiro ; Maekawa, Jun ; Mikoshiba, Hiroshi ; Miyazawa, Chieko ; Miyazawa, Kazuhiko ; Muraoka, Kazuyuki ; Ogawa, Hideo ; Onodera, Sachiko ; Saito, Yasufumi ; Sakai, Takeshi ; Takahashi, Shigeru ; Yun, Min S. / Initial results from nobeyama molecular gas observations of distant bright galaxies. In: Publications of the Astronomical Society of Japan. 2012 ; Vol. 64, No. 4. pp. L2.

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abstract = "We present initial results from the CO survey toward high-redshift galaxies using the Nobeyama 45m telescope. Using a new wide bandwidth spectrometer equipped with a two-beam SIS receiver, we have obtained three new detections of high-redshift (z = 1.6-3.4) submillimeter galaxies (SXDF 1100.001/HXMM02, SDP9, and SDP17), one tentative detection (SDSS J160705+533558), and one non-detection (COSMOS-AzTEC1). The galaxies observed during the commissioning phase are sources with known spectroscopic redshifts from previous optical or wide-band submillimeter spectroscopy. The derived molecular gas mass and line widths from Gaussian fits are ∼ 1011 M⊙ and 430-530km s -1, respectively, which are consistent with previous CO observations of distant submillimeter galaxies and quasars. The spectrometer, which realizes a maximum of 32 GHz instantaneous bandwidth, will provide new science capabilities at the Nobeyama 45m telescope, allowing us to determine redshifts of bright submillimeter selected galaxies without any prior redshift information.",

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AU - Iono, Daisuke

AU - Hatsukade, Bunyo

AU - Kohno, Kotaro

AU - Kawabe, Ryohei

AU - Ikarashi, Soh

AU - Ichikawa, Kohei

AU - Kodama, Tadayuki

AU - Motohara, Kentaro

AU - Nakajima, Taku

AU - Nakanishi, Koichiro

AU - Ohta, Kouji

AU - Ota, Kazuaki

AU - Saito, Toshiki

AU - Suzuki, Kenta

AU - Tadaki, Ken Ichi

AU - Tamura, Yoichi

AU - Ueda, Junko

AU - Umehata, Hideki

AU - Yabe, Kiyoto

AU - Yoshida, Tessei

AU - Yuma, Suraphong

AU - Kuno, Nario

AU - Takano, Shuro

AU - Iwashita, Hiroyuki

AU - Handa, Kazuyuki

AU - Higuchi, Aya

AU - Hirota, Akihiko

AU - Ishikawa, Shinichi

AU - Kimura, Kimihiro

AU - Maekawa, Jun

AU - Mikoshiba, Hiroshi

AU - Miyazawa, Chieko

AU - Miyazawa, Kazuhiko

AU - Muraoka, Kazuyuki

AU - Ogawa, Hideo

AU - Onodera, Sachiko

AU - Saito, Yasufumi

AU - Sakai, Takeshi

AU - Takahashi, Shigeru

AU - Yun, Min S.

PY - 2012/8/25

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N2 - We present initial results from the CO survey toward high-redshift galaxies using the Nobeyama 45m telescope. Using a new wide bandwidth spectrometer equipped with a two-beam SIS receiver, we have obtained three new detections of high-redshift (z = 1.6-3.4) submillimeter galaxies (SXDF 1100.001/HXMM02, SDP9, and SDP17), one tentative detection (SDSS J160705+533558), and one non-detection (COSMOS-AzTEC1). The galaxies observed during the commissioning phase are sources with known spectroscopic redshifts from previous optical or wide-band submillimeter spectroscopy. The derived molecular gas mass and line widths from Gaussian fits are ∼ 1011 M⊙ and 430-530km s -1, respectively, which are consistent with previous CO observations of distant submillimeter galaxies and quasars. The spectrometer, which realizes a maximum of 32 GHz instantaneous bandwidth, will provide new science capabilities at the Nobeyama 45m telescope, allowing us to determine redshifts of bright submillimeter selected galaxies without any prior redshift information.

AB - We present initial results from the CO survey toward high-redshift galaxies using the Nobeyama 45m telescope. Using a new wide bandwidth spectrometer equipped with a two-beam SIS receiver, we have obtained three new detections of high-redshift (z = 1.6-3.4) submillimeter galaxies (SXDF 1100.001/HXMM02, SDP9, and SDP17), one tentative detection (SDSS J160705+533558), and one non-detection (COSMOS-AzTEC1). The galaxies observed during the commissioning phase are sources with known spectroscopic redshifts from previous optical or wide-band submillimeter spectroscopy. The derived molecular gas mass and line widths from Gaussian fits are ∼ 1011 M⊙ and 430-530km s -1, respectively, which are consistent with previous CO observations of distant submillimeter galaxies and quasars. The spectrometer, which realizes a maximum of 32 GHz instantaneous bandwidth, will provide new science capabilities at the Nobeyama 45m telescope, allowing us to determine redshifts of bright submillimeter selected galaxies without any prior redshift information.

KW - Cosmology

KW - High-redshift - galaxies

KW - Observations - galaxies

KW - Starburst - telescopes

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