For the purposes of projecting storage media and database sizes, it is useful to estimate the size of the raw and processed data 2MASS data sets, and the rate at which they will grow during the survey. This memo seeks to make that estimate based on basic implementation of Survey Strategy, initial Northern 2MASS operations, preliminary formats of the survey databases, and models and observations of of source distributions. These estimates will continue to be refined as the operations continue. Note this is 6 degrees plus one full frame. Processed Data Volume i.
Database contains data for all sources down to detection limit.
Catalog assumed to contain only extended sources brighter than SNR 10 limit. Numbers based on early 3-channel camera observations. 493 GB vii. Total DB Growth Rate a. Atlas Atlas Source Post.