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The Schmidt-Kennicutt Law of Matched-Age Star Forming Regions

Published online by Cambridge University Press:  21 March 2013

S. Komugi ,
K. Tateuchi ,
K. Motohara ,
T. Takagi ,
D. Iono ,
H. Kaneko ,
J. Ueda ,
T. R. Saitoh  and
the miniTAO team
S. Komugi
Affiliation:
Joint ALMA Observatory, Alonso de Cordova 3107, Vitacura, Santiago, Chile. email: [email protected]
K. Tateuchi
Affiliation:
Institute of Astronomy, The University of Tokyo, 2-21-1 Osawa, Mitaka, Tokyo, Japan
K. Motohara
Affiliation:
Institute of Astronomy, The University of Tokyo, 2-21-1 Osawa, Mitaka, Tokyo, Japan
T. Takagi
Affiliation:
ISAS, JAXA, 3-31-1 Yoshinodai, Sagamihara, Kanagawa, Japan
D. Iono
Affiliation:
Nobeyama Radio Observatory, 462-2 Nobeyama, Minamimaki, Minamisaku, Nagano, Japan
H. Kaneko
Affiliation:
Nobeyama Radio Observatory, 462-2 Nobeyama, Minamimaki, Minamisaku, Nagano, Japan
J. Ueda
Affiliation:
Nobeyama Radio Observatory, 462-2 Nobeyama, Minamimaki, Minamisaku, Nagano, Japan
T. R. Saitoh
Affiliation:
Interactive Research Center of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro, Japan
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Abstract

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We show that the dispersion in the Schmidt-Kennicutt (SK) law in galaxies is affected significantly by the evolutionary stage of star forming molecular gas, using narrow band Paα imaging of Taffy I, an interacting pair of galaxies. Star forming regions in the system show very uniform ages except for the bridge region, and the SK law of regions at the same age show a exceptionally tight SK law.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S292: Molecular Gas, Dust, and Star Formation in Galaxies , August 2012 , pp. 331
Copyright
Copyright © International Astronomical Union 2013

References

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