The Photon Simulator (PhoSim) is a set of fast photon Monte Carlo codes used to calculate the physics of the atmosphere and a telescope and camera in order to simulate realistic astronomical images. It does this using modern numerical techniques applied to comprehensive physical models. PhoSim generates images by collecting photons into pixels. This movie shows the photon Monte Carlo method used in the simulation.
An example of output catalogs from CatSim and the resulting simulated images are available
For more details of PhoSim or if you have questions, they can be addressed using community.lsst.org.
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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