Throughout recorded history, humans have observed the changing heavens: astronomical objects that appear suddenly and then fade from view, or that simply change their brightness over time. Though these transient and variable phenomena were once considered portents of disaster, we now know them as examples of time domain astronomy, or the study of our changing cosmos.
Rubin Observatory will scan the sky repeatedly to great depth, enabling it to both discover new, distant transient events and to study variable objects throughout our universe. Its wide-ranging coverage will capture rare and exotic objects, as well as enable astronomers to gain new insight into known kinds of transient events. For example, Rubin Observatory will reveal new remnants of dead massive stars, including neutron star and black hole binaries; it will observe variability at the heart of distant galaxies, teaching us about the feeding habits of the rapacious supermassive black holes at their centers; it will catch the faint cosmological explosions of dying, merging stars, illuminating where the universe’s heavy metals are forged.
With its capacity to provide near real-time alerts to the community, Rubin Observatory will make sure other telescopes can get in on the action with additional dedicated observations in complementary wavelengths of light.
Rubin Observatory will extend our view of the changeable universe a thousand times over current surveys. The most interesting science to come may well be the discovery of new classes of objects—the unimagined.
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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