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\section{Define Data Products}  The VLASS data products fall into two classes, the Basic Data Products (BDP) as defined in the Technical Implementation Plan (TIP) and to be delivered and served by NRAO (with the aid of the SSG where possible), and the Enhanced Data Products (EDP) which are provided by the community.  \begin{table}   \begin{tabular}{ c c c c }  Name & Standard/Enhanced Basic/Enhanced  & Size & Description \\ \hline Raw Visibilities & Standard Basic  & 489 TB & 16 spw * 64 ch * 4 pol per int (25 MB/s) \\   Calibration tables & Standard Basic  & insignificant & Complex gain per ant/spw/cal \\   QL Continuum images & Standard Basic  & 29 TB & Two images (image and its uncertainty) per epoch. Pixel scale of 0.4 times robust beam. Single precision float per pixel. \\  Single-epoch continuum images & Standard Basic  & 101 TB & Seven images (I, Ialpha, Q, U, and uncertainties in I and Q/U). \\  Single-epoch coarse image cubes & Standard Basic  & 101 TB & Coarse spectral image cubes with 14 spectral windows (128MHz wide) in Stokes I, Q, U and uncertainty in I and Q/U. \textbf{For the BDP this requires compression/reduction to 10\% of full volume.}\\  Single-epoch basic object catalog & Standard Basic  & insignificant & Brightness, extent and other parameters per source from continuum images. \\  Cumulative continuum images & Standard Basic  & 43 TB & 9 images (I, Ialpha, Icurv, Q, U, and uncertainty in I, Ialpha, Icurv, Q/U) accumulated from single epochs. \\  Cumulative coarse image cubes & Standard Basic  & 34 TB & Coarse spectral image cubes with 14 spectral channels in Stokes I, Q, U and uncertainty in I and Q/U (accumulated). \textbf{For the BDP this requires compression/reduction to 10\% of full volume. See comment (awaiting activation) by LR: Polarization needs about 200 channels, not 14 and not 896}.\\  Cumulative fine image cubes & Standard Basic  & 107 TB & 5 cut-out image cubes (each with estimated 896 good channels, 2MHz wide at the highest resolution possible) per source. Estimated compression factor of 200 due to cut-out and potential spectral averaging (TBD). \\  Cumulative basic object catalog & Standard Basic  & insignificant & Brightness, extent and other parameters per source from cumulative continuum images. \\  Enhanced single-epoch continuum images & Enhanced & 158 TB &  11 images (I, Ialpha, Icurv, Q, U, V, and uncertainties in I, Ialpha, Icurv, Q/U, V) \\ 
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