Blogs

TCAM Workshop

October 14, 2016 - University of Washington hosted a meeting of the managers of Data Management software teams last week. The group focused on finalizing definitions of work packages and cost estimation needed for the upcoming baseline change request related to the DM replan.  Shown in the picture, with their “special” cake baked by LSST Project Scientist Zeljko Ivezic, are (L-R front row) S. Krughoff, X. Wu, and J. Becla. Behind them (L-R) are F. Economou, Fritz Mueller, K.T. Lim, J. Swinbank, and LSST Project Controls Specialist K. Long. 

 

LSST Poster Download

October 8, 2016 - This LSST poster was recently updated to support the 2016 "White House Astronomy Night" hosted by the University of Pittsburgh next week at their Allegheny Observatory. This event was inspired by the 2015 White House Astronomy Night held on the South Lawn, which included an evening of stargazing. The poster, created by graphic designer Emily Acosta, is being made available in three sizes for downloading. It illustrates four aspects of LSST: Science Discovery, Big Data, STEM Education, and Characterization of Near Earth Objects.

Connections across the Atlantic

September 30, 2016 - Several members of the Telescope & Site and Systems Engineering groups were in Madrid, Spain this week for the Telescope Mount Assembly (TMA) Test Verification Review.  This review of the verification plans for the TMA include a project milestone:  the first “official” integration of a vendor subsystem with the LSST visit-simulator controls software, the software that instructs the telescope to move to a new location on the sky.  This image is a screen shot documenting a standard visit sequence of moving the dome, adjusting the hexapod / actuator assembly, fixing on the guide star and then completing the exposure sequence.  The Operations Simulator, OpSim, was used to  provide a realistic s

TED Radio Hour

September 16, 2016 - LSST Simulation Scientist Andy Connolly is one of four speakers featured on the TED Radio Hour broadcast September 9, 2016.  The topic is the Big Data Revolution, and speakers explore how Big Data will reshape our world from different perspectives.  Andy draws from his March 2014 TED Talk (with more than 1.2 million views) and talks with NPR host Guy Raz about recent LSST developments and “What Data Will be Discovered by the World’s Most Powerful Telescope”.   

Precision Machining of the M1M3 Cell Begins

September 9, 2016 – Now that the M1M3 mirror cell has been welded and stress relieved, the initial machining of the M1M3 cell weldment has begun at CAID Industries in Tucson.  This short video shows the machining of the +4000 interface holes and precision interfaces between the cell and the glass mirror and the cell and the coating chamber.  The flange ring getting machined in the video is the circular “ridge” shown in the first image.  

New OpSim Reference Run

August 26, 2016 - There are several sets of simulated surveys produced using the Operations Simulator (OpSim) which are available to the LSST Project and to the scientific community.  A new OpSim Reference Simulated Survey, minion_1016, has been approved and placed under change control.  This Reference Run replaces opsim3.61 and is an updated demonstration of the primary capabilities of the OpSim v3.3.5 codebase.  A Reference Simulated Survey (or Reference Run) is a technical designation and is a demonstration of the primary capabilities of the OpSim v3.3.5 codebase.

LSST: Dark Matter & Dark Energy

August 12, 2016 – Cosmologist Risa Wechsler explains how LSST will contribute to our understanding of dark matter and dark energy in this three-minute video and twitter conversation presented as part of the #AskSymmetry video series.

Interactive 3D Model of the LSST Construction Site

LSST Construction by jsebag on Sketchfab

July 29, 2016 - This model is our first attempt at using the measurements taken on site in February 2016 with a DJI phantom 3 pro drone to create a 3D map of the LSST summit construction on Cerro Pachón (Chile). This is a first step towards capturing the progress of the construction in 3D.  The drone is programmed to fly prescribed circuits around the summit to cover the site at different angles. The time required to complete a circuit is variable between 15 and 30min depending on the area to cover and the battery lifetime. 

Testing the LSST Lifting Platform @Pflow

July 21, 2016 - PFlow Industries performed a successful setup and test on July 18th of their platform lift, which will be installed in the summit facility to transport the LSST mirrors and camera. The lift platform is pictured with the test load of approximately 140,000 lbs of concrete blocks. As witnessed by Bill Gressler, Jeff Barr, Freddy Muñoz and the PFlow engineering team, the lift functioned smoothly and flawlessly under load and was also tested for safety interlocks and response to fault conditions. The entire lift assembly will now be disassembled, painted, and packed for shipment to the construction site - anticipated to arrive in October and begin its installation in November.

LSST@SPIE 2016

July 5, 2016 - LSST was well represented at the 2016 SPIE meeting on Astronomical Telescopes & Instrumentation in Edinburgh, Scotland last week with more than 40 LSST-related oral and poster presentations as well as an LSST booth in the exhibition hall.  LSST presentations will be made available through Zenodo.org; press coverage about LSST from the meeting included this article in Optics.org, based on Steve Kahn’s invited talk.  Victor Krabbendam, Frossie Economou, and Bill Gressler also gave invited talks in their respective areas of expertise. 

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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. 
 

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