Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where S. Sakamoto is active.

Publication


Featured researches published by S. Sakamoto.


Publications of the Astronomical Society of the Pacific | 1994

PHYSICAL CONDITIONS OF MOLECULAR GAS IN THE GALAXY

S. Sakamoto; Tetsuo Hasegawa; Toshihiro Handa; Takeshi Oka; Mitsuru R. Hayashi

Physical conditions of molecular gas are key parameters to the formation rate and initial mass function of stars formed in molecular clouds. The ongoing Tokyo-NRO survey has been observing the Galactic CO (J=2−1) emission with a beamsize matched to the Columbia CO (J=1−0) survey. Intensities of the two lines should reflect physical conditions of the COemitting gas. An out-of-plane survey of the inner Galaxy which covers from 20° to 60° in galactic longitude and from −1° to +l° in galactic latitude with grid spacings of 0.25° has already been made (Sakamoto et al. 1994). Its coverage is large enough to draw conclusions on global properties of molecular gas in the inner Galaxy.


Symposium - International Astronomical Union | 1996

Physical Conditions of Molecular Gas in the Galaxy

S. Sakamoto; Tetsuo Hasegawa; Toshihiro Handa; Takeshi Oka; Mitsuru R. Hayashi

Physical conditions of molecular gas are key parameters to the formation rate and initial mass function of stars formed in molecular clouds. The ongoing Tokyo-NRO survey has been observing the Galactic CO (J=2-1) emission with a beamsize matched to the Columbia CO (J=1-0) survey. Intensities of the two lines should reflect physical conditions of the COemitting gas. An out-of-plane survey of the inner Galaxy which covers from 20° to 60° in galactic longitude and from -1° to + 1° in galactic latitude with grid spacings of 0.25° has already been made (Sakamoto et al. 1994). Its coverage is large enough to draw conclusions on global properties of molecular gas in the inner Galaxy.


Archive | 1999

Low density molecular gas in the galaxy

Kumiko S. Usuda; Tetsuo Hasegawa; Toshihiro Handa; J.-I. Morino; Tsuyoshi Sawada; S. Sakamoto; Takeshi Oka; Masumichi Seta; Kazuo Sorai; Mitsuru R. Hayashi; R. S. Booth; L.-Å. Nyman; Leonardo Bronfman; J. May; A. Luna; P. A. Shaver; G. J. White


Archive | 1999

Molecular Gas in the Galactic Center: Large-Scale Structure and Kinematics

Tsuyoshi Sawada; T. I. Hasegawa; Toshihiro Handa; J.-I. Morino; Kumiko S. Usuda; Kazuo Sorai; Takeshi Oka; Masumichi Seta; S. Sakamoto; Mitsuru R. Hayashi; R. S. Booth; Leonardo Bronfman; Ana Luna; L.-Å. Nyman


Archive | 1998

A CO(2-1) Survey of the Galactic Plane with the 60-cm Telescope to Explore the Density and Temperature of Molecular Gas

Toshihiro Handa; T. I. Hasegawa; J.-I. Morino; Kumiko S. Usuda; Tsuyoshi Sawada; Leonardo Bronfman; Agustin Castellanos; S. Sakamoto; R. S. Booth; Mitsuru R. Hayashi; L.-Å. Nyman; P. A. Shaver


Journal of the Korean Astronomical Society | 1996

ASTROS - A Telescope Control System for a Small Radio Telescope

Toshihiro Handa; Tetsuo Hasegawa; J. I. Morino; Takeshi Oka; K. Sato; Kazuo Sorai; Masumichi Seta; Mitsuru R. Hayashi; S. Sakamoto


Archive | 2003

HCO+ (J = 1-0) Interferometry of the Shocked Outflow in the Orion-KL Region

Toshimichi Saito; Munetake Momose; Ryohei Kawabe; Kazuyoshi Sunada; S. Sakamoto; Takeshi Kamazaki; Naomi Hirano


Archive | 2002

Physical Conditions and Structure of Molecular Gas in the Galactic Center

Tsuyoshi Sawada; T. I. Hasegawa; Toshihiro Handa; J.-I. Morino; Kumiko S. Usuda; Kazuo Sorai; Takeshi Oka; Masumichi Seta; S. Sakamoto; Mitsuru R. Hayashi; R. S. Booth; Leonardo Bronfman; Ana Luna; L.-Å. Nyman; P. A. Shaver; R. J. Cohen


Proceedings of The International Astronomical Union | 1997

The twin 60 cm CO (J = 2-1) survey telescopes.

Toshihiro Handa; T. I. Hasegawa; S. Sakamoto; Takeshi Oka; Masumichi Seta; Kunihiko Sato; Kazuo Sorai; J.-I. Morino; Hiroko Shinnaga; Mitsuru R. Hayashi; L.-Aa. Nyman; R. S. Booth; P. A. Shaver; Leonardo Bronfman


Proceedings of The International Astronomical Union | 1997

12CO (J = 2-1) emission in the inner galaxy.

Kazuo Sorai; T. I. Hasegawa; Toshihiro Handa; S. Sakamoto; Takeshi Oka; Masumichi Seta; Kunihiko Sato; J.-I. Morino; Mitsuru R. Hayashi; Hiroko Shinnaga

Collaboration


Dive into the S. Sakamoto's collaboration.

Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar

R. S. Booth

Chalmers University of Technology

View shared research outputs
Top Co-Authors

Avatar
Top Co-Authors

Avatar

P. A. Shaver

European Southern Observatory

View shared research outputs
Researchain Logo
Decentralizing Knowledge