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Data · dataset · 2025

A Catalog of 13CO Clumps from the MWISP

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Description

The dataset is a catalog of the dense structures obtained by using the FacetClumps algorithm (version 0.0.8, 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

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  • 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.

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Geoinformatics 71%
Provenance · 1 source records, 11 field assertions
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ScienceDB10.57760/sciencedb.205817 d agoJSON v1
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