Unveiling the Physical Properties and Kinematics of Molecular Gas in the Antennae Galaxies (NGC 4038/9) through High-resolution CO (J = 3-2) Observations

Article

Ueda, Junko, Iono, Daisuke, Petitpas, Glen R., Yun, Min S., Ho, Paul T. P., Kawabe, Ryohei, Mao, Rui-Qing, Martín, Sergio, Matsushita, Satoki, Peck, Alison B., Tamura, Yoichi, Wang, Junzhi, Wang, Zhong, Wilson, Christine D., and Zhang, Qizhou. 2012. "Unveiling the Physical Properties and Kinematics of Molecular Gas in the Antennae Galaxies (NGC 4038/9) through High-resolution CO (J = 3-2) Observations." The Astrophysical Journal, 745, (1). https://doi.org/10.1088/0004-637X/745/1/65.

We present a ~1'' (100 pc) resolution ¹²CO (3-2) map of the nearby intermediate-stage interacting galaxy pair NGC 4038/9 (the Antennae galaxies) obtained with the Submillimeter Array. We find that half the CO (3-2) emission originates in the overlap region where most