Actian > 实例探究 > Data from Outerspace

Data from Outerspace

Actian Logo
公司规模
1,000+
地区
  • Europe
国家
  • Germany
  • Netherlands
  • Spain
  • United Kingdom
产品
  • Versant Object Database
技术栈
  • Object Database
实施规模
  • Enterprise-wide Deployment
影响指标
  • Digital Expertise
  • Productivity Improvements
技术
  • 平台即服务 (PaaS) - 数据管理平台
适用行业
  • 航天
适用功能
  • 产品研发
服务
  • 数据科学服务
关于客户
The European Space Agency (ESA) is an intergovernmental organization dedicated to the exploration of space. Established in 1975, it has 22 member states and is headquartered in Paris, France. The agency's mission is to shape the development of Europe's space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world. ESA's projects are designed to find out more about Earth, its immediate space environment, our Solar System and the Universe. The projects also aim at developing satellite-based technologies and services, and to promote European industries. ESA also works closely with space organizations outside Europe.
挑战
The European Space Agency’s (ESA) Herschel Telescope, stationed at Noordwijk (The Netherlands), is constantly bombarded by infrared radiation, high-energy particles from solar eruptions and other events in outer space. The telescope, which is carrying the largest telescope ever flown, collects an average of six to seven gigabit raw telemetry data every day. The data is managed in an onboard storage facility and downloaded during a daily three-hour window to one of two satellite stations on the ground. The data is then transmitted to the ESA satellite control center in Darmstadt, Germany, and forwarded to the scientific control center in Madrid, Spain. On previous ESA missions, the teams responsible for the in-flight instruments had to use a multitude of tools to analyze critical instrument data extracted from various files.
解决方案
The Herschel team uses Versant’s object database to manage telemetry data and observation programs recommended by astronomers. Object databases are particularly suitable for managing complex and networked data structures. Once stored, the data is more easily and quickly retrieved compared to conventional database systems. For example, cross-references and pointers are directly mapped in the database and greatly simplify data navigation and queries. The object database permits much more direct data access. After the May 2009 launch Herschel started transmitting measurement data to the ground operations centers, providing the scientific community with many years’ worth of research data.
运营影响
  • Versant Object Database permits direct and navigational access to objects - resulting in faster and better analysis of instrument data.
  • The new system reduces the time it takes to feed the improved parameter settings to Herschel’s onboard instruments for upcoming observations.
  • It also reduces the time required for the requested information from observations to reach the astronomers.
  • Ultimately, this will improve the scientific return from the mission.
数量效益
  • The Herschel telescope collects an average of six to seven gigabit raw telemetry data every day.
  • By the end of Herschel’s useful life of about 48 months, the Herschel Science Archive will contain a minimum of 50 terabyte of data, which will be available to the scientific community – astronomers and other interested parties – for analysis for another 20 years.

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