2MASS 6X点源数据库
收藏国家地球系统科学数据中心2017-07-18 更新2024-03-04 收录
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https://www.geodata.cn/data/datadetails.html?dataguid=16893530976801&docId=27156
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资源简介：
A special set of observations that utilized exposure times six times longer
than the main 2MASS survey measurements were conducted in the final year of
2MASS observatory operations. The 2MASS "6x" observations achieved
sensitivities ∼1 mag deeper than the main 2MASS survey, and covered
approximately 590 deg2 of sky in 30 discrete regions.
提供机构：
中国科学院国家天文台
创建时间：
2017-07-18
