2026-10-10T16:15:06Z https://www.scidb.cn/oai

10.57760/sciencedb.20581 2025-02-06T10:02:20Z

2025-02-06 A Catalog of 13CO Clumps from the MWISP doi:10.57760/sciencedb.20581 en The dataset is a catalog of the dense structures obtained by using the FacetClumps algorithm (version 0.0.8, https://pypi.org/project/FacetClumps/) to analyze the MWISP 13CO (J = 1 − 0) data.The data covers the Milky Way within the longitude range 10° < l < 230° and the latitude range of |b| < 5°.25.The velocity range is -200 to 200 km s−1.The data to be detected are signal-to-noise ratio (SNR) data.The detection parameters are as follows:RMS: The global noise level of the data, measured in intensity units. When the detection target is SNR data, the RMS is set to 1.Threshold: The threshold for truncating the signal, measured in intensity units. It is set to 5 * RMS.SWindow: The scale of the window function, measured in voxels. It is set to 3.KBins: The coefficient used to calculate the number of feature value intervals, unitless. It is set to 35.FwhmBeam: The full width at half maximum (FWHM) of the device beam, measured in voxels. It is set to 2.VeloRes: The resolution of the device's velocity channel, measured in voxels. It is set to 2.SRecursionLBV: The minimum area in the spatial direction and the minimum length in the velocity channel when recursion terminates, measured in voxels: [SRecursionLB, SRecursionV]. It is set to [16, 5].A total of 71,604 molecular cloud clumps were detected. CO; clumps; MWISP Zheng Sheng Jiang Zhibo huang yao Chen Zhiwei Liu Dejian Luo Xiaoyu Jiang Yu RESTRICTED dataset Science Data Bank