Vera C. Rubin Observatory, as a Federal Government funded project, is operating in compliance with the
Presidential Executive Order on Ensuring Adequate COVID Safety Protocols for Federal Contractors.
Previous astronomical surveys such as the Sloan Digital Sky Survey have enabled us to draw an ever-finer picture of the Milky Way and its neighborhood, called the Local Group. For example, survey data have revealed numerous stellar streams in our galaxy’s halo, as well as dozens of small dwarf galaxies.
Data from Rubin Observatory will further refine the image of our home galaxy, in the process redefining it as a laboratory where studies of galaxy growth and evolution can take place on a grander scale.
All told, Rubin Observatory will catalog more than 10 billion stars. With the telescope’s ability to observe in the near infrared, it can observe stars in the interstellar dust layer, providing information on the structure of star-forming regions within our Galaxy’s disk. In standard surveying mode Rubin Observatory will be able to detect RR Lyrae variables and classical novae almost to the distance of the Andromeda galaxy. RR Lyrae and some stellar novae are "standard candles," whose absolute magnitude, or intrinsic brightness, can be determined. Comparing how bright they are to how bright they appear gives an accurate estimate of their distances. With that knowledge the extent and structure of the galactic halo can be mapped.
Rubin Observatory will inventory numerous stars beyond the presumed edge of the galaxy's halo, measure their distribution by chemical makeup throughout most of the halo, and determine their motions beyond the thick disk/halo boundary, enabling the most detailed studies ever of our home galaxy, the Milky Way.
Financial support for Rubin Observatory 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 Rubin Observatory 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 Rubin Observatory LSST Camera (LSSTCam) 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 Rubin Observatory in its Operations phase. They will also provide support for scientific research with LSST data.
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