We map the dark molecular cloud core of L134 in the C18O (J =1 -0) emission line using the PMO 13.7m telescope, and present a contour map of integrated intensit
We introduce the network flow algorithm used by the Sloan Digital Sky Survey (SDSS) into the sky survey of the Large sky Area Multi-Object fiber Spectroscopic T
<正>We investigate the relationship between the rise width and the full width of gamma-ray burst pulses.Theoretical analysis shows that either width is proporti