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The High Altitude Detection of Astronomical Radiation (HADAR) experiment is arefracting terrestrial telescope array based on the atmospheric Cherenkovimaging technique. It focuses the Cherenkov light emitted by extensive airshowers through a large aperture water-lens system for observingvery-high-energy-rays and cosmic rays. With the advantages of a largefield-of-view (FOV) and low energy threshold, the HADAR experiment operates ina large-scale sky scanning mode to observe galactic sources. This studypresents the prospects of using the HADAR experiment for the sky survey of TeV{\gamma}-ray sources from TeVCat and provids a one-year survey of statisticalsignificance. Results from the simulation show that a total of 23 galacticpoint sources, including five supernova remnant sources and superbubbles, fourpulsar wind nebula sources, and 14 unidentified sources, were detected in theHADAR FOV with a significance greater than 5 standard deviations ({\sigma}).The statistical significance for the Crab Nebula during one year of operationreached 346.0 {\sigma} and the one-year integral sensitivity of HADAR above1TeV was ~1.3%-2.4% of the flux from the Crab Nebula.

Prospective Study on Observations of {\gamma}-Ray Sources in the Galaxy Using the HADAR Experiment