南极AST3-2数据发布

南极AST3-2望远镜2016年3月至5月SN巡天数据i波段数据发布，数据量约4.6TB。数据覆盖565个天区，约2000平方度，每个天区约30次观测，覆盖4.3个平方度。其中包含图像22,576幅，565个天区的星表，包含7,702,085个目标源及其光变曲线。数据的极限星等中值约17.8等。

This dataset release contains the i-band data from the Supernova (SN) survey conducted by the Antarctic AST3-2 Telescope between March and May 2016, with a total data volume of approximately 4.6 TB. The data covers 565 sky fields spanning roughly 2000 square degrees; each individual sky field has been observed around 30 times, with an observed area of 4.3 square degrees. It includes 22,576 astronomical images, plus source catalogs for all 565 sky fields, which encompass 7,702,085 target sources along with their respective light curves. The median limiting magnitude of this dataset is approximately 17.8 stellar magnitudes.

搜集汇总

背景与挑战

背景概述

该数据集是南极AST3-2望远镜2016年SN巡天的观测数据，包含SDSS i波段的图像、星表和光变曲线，覆盖约2000平方度的天区，中位极限星等为17.8等，数据总量4.5TB，公开共享。