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NUV Star Catalog from the Lunar-based Ultraviolet Telescope Survey: First Release
Wang, Jing; Meng, Xian-Min; Wei, Jian-Yan +7 more
We present a star catalog extracted from the Lunar-based Ultraviolet Telescope (LUT) survey program. LUT's observable sky area is a circular belt around the Moon's north pole, and the survey program covers a preferred area of about 2400 deg2 which includes a region of the Galactic plane. The data are processed with an automatic pipeline…
Sharp Chandra View of ROSAT All-Sky Survey Bright Sources — I. Improvement of Positional Accuracy
Wang, Song; Liu, Ji-Feng; Gao, Shuang
The ROSAT All-Sky Survey (RASS) represents one of the most complete and sensitive soft X-ray all-sky surveys to date. However, the deficient positional accuracy of the RASS Bright Source Catalog (BSC) and subsequent lack of firm optical identifications affect multi-wavelength studies of X-ray sources. The widely used positional errors σpos