Astrometric Spread Function (CoG, Paper IV)
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资源简介：
The Astrometry Spread Function for 5D astrometry published in Gaia DR2. 19 SP magnitude bins with the 15 unique components of the 5x5 symmetric covariance matrix in on HEALPix level 7 (nside=128, npix=196608). Along scan variance 16,50,84th percentiles and median AC fraction given as a function of magnitude in 218 0.1mag bins.
创建时间：
2021-01-01
