Our Mission

Rubin Observatory’s mission is to build a well-understood system that provides a vast astronomical dataset for unprecedented discovery of the deep and dynamic universe.

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LSST received its federal construction start in August of 2014. This website supports the LSST Project Office in its construction of the facility.

Project News

Vera C. Rubin Observatory – Impact of Satellite Constellations

Executive Summary

  • Simulations of the Rubin Observatory Legacy Survey of Space and Time (LSST) observing cadence and the full 42,000 SpaceX satellite constellation show that as many as 30% of all LSST images would contain at least one satellite trail.
  • Nearly every LSST image taken during twilight would be affected by at least one satellite trail.
  • Measurements of the brightness of the current LEO satellites indicate that trails would saturate in LSST images and cause residual artifacts in the reduced data, if no mitigations are made.

Financial support for LSST comes from the National Science Foundation (NSF) through Cooperative Agreement No. 1258333, the Department of Energy (DOE) Office of Science under Contract No. DE-AC02-76SF00515, and private funding raised by the LSST Corporation. The NSF-funded LSST Project Office for construction was established as an operating center under management of the Association of Universities for Research in Astronomy (AURA).  The DOE-funded effort to build the LSST camera is managed by the SLAC National Accelerator Laboratory (SLAC).
The National Science Foundation (NSF) is an independent federal agency created by Congress in 1950 to promote the progress of science. NSF supports basic research and people to create knowledge that transforms the future.
NSF and DOE will continue to support LSST in its Operations phase. They will also provide support for scientific research with LSST data.


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