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We present $^{12}$CO $J=$1--0, $^{13}$CO $J=$1--0 and C$^{18}$O $J=$1--0 images of the M17 giant molecular clouds obtained as part of FUGIN (FOREST Ultra-wide Galactic Plane Survey InNobeyama) project. The observations cover the entire area of M17 SW and M17 N clouds at the highest angular resolution ($sim$19$$) to date which corresponds to $sim$ 0.15 pc at the distance of 2.0 kpc. We find that the region consists of four different velocity components: very low velocity (VLV) clump, low velocity component (LVC), main velocity component (MVC), and high velocity component (HVC). The LVC and the HVC have cavities. UV photons radiated from NGC 6618 cluster penetrate into the N cloud up to $sim$ 5 pc through the cavities and interact with molecular gas. This interaction is correlated with the distribution of YSOs in the N cloud. The LVC and the HVC are distributed complementary after that the HVC is displaced by 0.8 pc toward the east-southeast direction, suggesting that collision of the LVC and the HVC create the cavities in both clouds. The collision velocity and timescale are estimated to be 9.9 km s$^{-1}$ and $1.1 times 10^{5}$ yr, respectively. The high collision velocity can provide the mass accretion rate up to 10$^{-3}$ $M_{solar}$ yr$^{-1}$, and the high column density ($4 times 10^{23}$ cm$^{-2}$) might result in massive cluster formation. The scenario of cloud-cloud collision likely well explains the stellar population and its formation history of NGC 6618 cluster proposed by Hoffmeister et al. (2008).
M16, the Eagle Nebula, is an outstanding HII region which exhibits extensive high-mass star formation and hosts remarkable pillars. We herein obtained new $^{12}$CO $J=$1-0 data for the region observed with NANTEN2, which were combined with the $^{1
The FOREST Unbiased Galactic plane Imaging survey with the Nobeyama 45-m telescope (FUGIN) project is one of the legacy projects using the new multi-beam FOREST receiver installed on the Nobeyama 45-m telescope. This project aims to investigate the d
We performed new large-scale $^{12}$CO, $^{13}$CO, and C$^{18}$O $J=$1--0 observations of the W43 giant molecular cloud complex in the tangential direction of the Scutum arm ($lsim {30^circ}$) as a part of the FUGIN project. The low-density gas trace
The FUGIN CO survey with the Nobeyama 45-m Telescope revealed the 3D structure of a galactic shock wave in the tangential direction of the 4-kpc molecular arm. The shock front is located at G30.5+00.0+95 km/s on the up-stream (lower longitude) side o
Using wide-field $^{13}$CO ($J=1-0$) data taken with the Nobeyama 45-m telescope, we investigate cloud structures of the infrared dark cloud complex in M17 with SCIMES. In total, we identified 118 clouds that contain 11 large clouds with radii larger