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LSST Telescope Modeling Overview

Lead Author: 
Sebag, Jacques
Other Authors/Credits: 
J. Andrew ; G. Angeli ; C. Araujo ; J. Barr ; S. Callahan ; M. Cho ; C. Claver ; F. Daruich ; W. Gressler ; E. Hileman ; M. Liang ; G. Muller ; D. Neill ; W. Schoening ; M. Warner ; O. Wiecha ; B. Xin ; Alfredo Orden Martinez ; Manuel Perezagua Aguado ; Luis García Marchena ; Ismael Ruiz de...
Publication Date: 
Friday, August 19, 2016
Conference Papers
SPIE
Publication-122
J. Sebag ; J. Andrew ; G. Angeli ; C. Araujo ; J. Barr ; S. Callahan ; M. Cho ; C. Claver ; F. Daruich ; W. Gressler ; E. Hileman ; M. Liang ; G. Muller ; D. Neill ; W. Schoening ; M. Warner ; O. Wiecha ; B. Xin ; Alfredo Orden Martinez ; Manuel Perezagua Aguado ; Luis García Marchena ; Ismael...
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
During this early stage of construction of the Large Synoptic Survey Telescope (LSST), modeling has become a crucial system engineering process to ensure that the final detailed design of all the sub-systems that compose the telescope meet requirements and interfaces. Modeling includes multiple...

Large Synoptic Survey Telescope mount final design

Lead Author: 
Callahan, Shawn
Other Authors/Credits: 
Gressler, W.; Thomas, S. J.; Gessner, C.; Warner, M.; Barr, J.; Lotz, P.J.; Schumacher, G.; Wiecha, O.; Angeli, G.; Andrew, J.; Claver, C.; Schoening, W.; Sebag, J.; Krabbendam, V.; Neill, D.; Hileman, E.; Muller, G.; Araujo, C.; Orden Martinez, A.; Perezagua Aguado, M.; Garcia-Marchena, L.; Ruiz...
Publication Date: 
Thursday, August 18, 2016
Conference Papers
SPIE
Document-21536
Shawn Callahan ; William Gressler ; Sandrine J. Thomas ; Chuck Gessner ; Mike Warner, et al. " Large Synoptic Survey Telescope mount final design ", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99060M (August 18, 2016); doi:10.1117/12.2232996; http://dx.doi.org/10.1117/12.2232996
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
This paper describes the status and details of the large synoptic survey telescope1,2,3 mount assembly (TMA). On June 9th, 2014 the contract for the design and build of the large synoptic survey telescope mount assembly (TMA) was awarded to GHESA Ingeniería y Tecnología, S.A. and Asturfeito, S.A...

LSST control software component design

Lead Author: 
Lotz, Paul
Other Authors/Credits: 
Gregory P. Dubois-Felsmann ; Kian-Tat Lim ; Tony Johnson ; Srinivasan Chandrasekharan ; David Mills ; Philip Daly ; Germán Schumacher ; Francisco Delgado ; Steve Pietrowicz ; Brian Selvy ; Jacques Sebag ; Stuart Marshall ; Harini Sundararaman ; Christopher Contaxis ; Robert Bovill ; Tim Jenness
Publication Date: 
Monday, August 8, 2016
Conference Papers
SPIE
Publication-105
Paul J. Lotz ; Gregory P. Dubois-Felsmann ; Kian-Tat Lim ; Tony Johnson ; Srinivasan Chandrasekharan ; David Mills ; Philip Daly ; Germán Schumacher ; Francisco Delgado ; Steve Pietrowicz ; Brian Selvy ; Jacques Sebag ; Stuart Marshall ; Harini Sundararaman ; Christopher Contaxis ; Robert Bovill ;...
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
Construction of the Large Synoptic Survey Telescope system involves several different organizations, a situation that poses many challenges at the time of the software integration of the components. To ensure commonality for the purposes of usability, maintainability, and robustness, the LSST...

LSST OCS status and plans

Lead Author: 
Daly, Philip N.
Other Authors/Credits: 
Germán Schumacher ; Francisco Delgado ; Dave Mills
Publication Date: 
Monday, August 8, 2016
Conference Papers
SPIE
Publication-102
Philip N. Daly ; Germán Schumacher ; Francisco Delgado ; Dave Mills; LSST OCS status and plans. Proc. SPIE 9913, Software and Cyberinfrastructure for Astronomy III, 99132O (August 8, 2016); doi:10.1117/12.2232025.
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
This paper reports on progress and plans for all meta-components of the Large Synoptic Survey Telescope (LSST) observatory control system (OCS). After an introduction to the scope of the OCS we discuss each meta- component in alphabetical order: application, engineering and facility database,...

LSST active optics system software architecture

Lead Author: 
Thomas, Sandrine
Other Authors/Credits: 
Srinivasan Chandrasekharan ; Paul Lotz ; Bo Xin ; Charles Claver ; George Angeli ; Jacques Sebag ; Gregory P. Dubois-Felsmann
Publication Date: 
Monday, August 8, 2016
Conference Papers
SPIE
Publication-115
Sandrine J. Thomas ; Srinivasan Chandrasekharan ; Paul Lotz ; Bo Xin ; Charles Claver ; George Angeli ; Jacques Sebag ; Gregory P. Dubois-Felsmann; LSST active optics system software architecture . Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99063B (August 8, 2016); doi:10.1117/12...
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
The Large Synoptic Survey Telescope (LSST) is an 8-meter class wide-field telescope now under construction on Cerro Pachon, near La Serena, Chile. This ground-based telescope is designed to conduct a decade-long time domain survey of the optical sky. In order to achieve the LSST scientific goals,...

Is the work flow model a suitable candidate for an observatory supervisory control infrastructure?

Lead Author: 
Daly, Philip N.
Other Authors/Credits: 
Schumacher, German
Publication Date: 
Monday, August 8, 2016
Conference Papers
SPIE
Publication-103
Philip N. Daly and Germán Schumacher " Is the work flow model a suitable candidate for an observatory supervisory control infrastructure? ", Proc. SPIE 9913, Software and Cyberinfrastructure for Astronomy IV, 99131W (August 8, 2016); doi:10.1117/12.2232020; http://dx.doi.org/10.1117/12.2232020
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
This paper reports on the early investigation of using the work flow model for observatory infrastructure software. We researched several work ow engines and identified 3 for further detailed, study: Bonita BPM, Activiti and Taverna. We discuss the business process model and how it relates to...

LSST primary/tertiary monolithic mirror

Lead Author: 
Sebag, Jacques
Other Authors/Credits: 
W. Gressler ; M. Liang ; D. Neill ; C. Araujo-Hauck ; J. Andrew ; G. Angeli ; M. Cho ; C. Claver ; F. Daruich ; C. Gessner ; E. Hileman ; V. Krabbendam ; G. Muller ; G. Poczulp ; R. Repp ; O. Wiecha ; B. Xin ; K. Kenagy ; H. M. Martin ; M. T. Tuell ; S. C. West
Publication Date: 
Monday, August 8, 2016
Conference Papers
SPIE
Publication-121
J. Sebag ; W. Gressler ; M. Liang ; D. Neill ; C. Araujo-Hauck, et al. "LSST primary/tertiary monolithic mirror ", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99063E (August 8, 2016); doi:10.1117/12.2230012; http://dx.doi.org/10.1117/12.2230012
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
At the core of the Large Synoptic Survey Telescope (LSST) three-mirror optical design is the primary/tertiary (M1M3) mirror that combines these two large mirrors onto one monolithic substrate. The M1M3 mirror was spin cast and polished at the Steward Observatory Mirror Lab at The University of...

LSST communications middleware implementation

Lead Author: 
Mills, Dave
Other Authors/Credits: 
Schumacher, German, Lotz, Paul
Publication Date: 
Wednesday, July 27, 2016
Conference Papers
SPIE
Document-21527
Dave Mills ; German Schumacher and Paul Lotz " LSST communications middleware implementation ", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99065C (July 27, 2016); doi:10.1117/12.2233099; http://dx.doi.org/10.1117/12.2233099
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
The LSST communications middleware is based on a set of software abstractions; which provide standard interfaces for common communications services. The observatory requires communication between diverse subsystems, implemented by different contractors, and comprehensive archiving of subsystem...

LSST secondary mirror system final design

Lead Author: 
Neill, Douglas
Other Authors/Credits: 
Bogan, G.; Zajac, D.; Araujo, C.; Gressler, W.J.; DeVries, J.; Hileman, E.A.; Lotz, P.J.; Mills, D.; Thomas, S.; Sebring, T.A.; Sebag, J.; Warner, M.; Wiecha, O.
Publication Date: 
Wednesday, July 27, 2016
Conference Papers
SPIE
Document-21545
Douglas R. Neill ; Gregory Bogan ; Dale Zajac ; Constanza Araujo ; William J. Gressler, et al. " LSST secondary mirror system final design ", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 990667 (July 27, 2016); doi:10.1117/12.2234021; http://dx.doi.org/10.1117/12.2234021
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
The Large Synoptic Survey Telescope (LSST) has a 10 degrees square field of view which is achieved through a 3 mirror optical system comprised of an 8.4 meter primary, 3.5 meter secondary (M2) and a 5 meter tertiary mirror. The M2 is a 100mm thick meniscus convex asphere. The mirror surface is...

Final design of the LSST primary/tertiary mirror cell assembly

Lead Author: 
Neill, Douglas R.
Other Authors/Credits: 
Muller, G.; Hileman, E.; DeVries, J.; Araujo, C.; Gressler, W.J.; Lotz, P.J.; Mills, D.; Sebag, J.; Thomas, S.; Warner, M.; Wiecha, O.
Publication Date: 
Wednesday, July 27, 2016
Conference Papers
SPIE
Document-21542
Douglas R. Neill ; Gary Muller ; Ed Hileman ; Joe DeVries ; Constanza Araujo , et al. " Final design of the LSST primary/tertiary mirror cell assembly ", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99060Q (July 27, 2016); doi:10.1117/12.2234016; http://dx.doi.org/10.1117/12.2234016
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
The Large Synoptic Survey Telescope (LSST) primary/tertiary (M1M3) mirror cell assembly supports both on-telescope operations and off-telescope mirror coating. This assembly consists of the cast borosilicate M1M3 monolith mirror, the mirror support systems, the thermal control system, a stray light...

Final design of the LSST hexapods and rotator

Lead Author: 
Sneed, Ryan
Other Authors/Credits: 
Neill, Douglas R.; Kidney, Scott; Araujo, Constanza; Gressler, William; Lotz, Paul J.; Mills, Dave; Sebag, Jacques, Sebring, Thomas A.; Warner, Michael, Wiecha, Oliver
Publication Date: 
Wednesday, July 27, 2016
Conference Papers
SPIE
Document-21544
Ryan Sneed ; Douglas R. Neill ; Scott Kidney ; Constanza Araujo ; William Gressler, et al. " Final design of the LSST hexapods and rotator ", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99060K (July 27, 2016); doi:10.1117/12.2231327; http://dx.doi.org/10.1117/12.2231327
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
The Large Synoptic Survey Telescope (LSST) is a large (8.4 meter) wide-field (3.5 degree) survey telescope, which will be located on the Cerro Pachón summit in Chile. Both the Secondary Mirror (M2) Cell Assembly and Camera utilize hexapods to facilitate optical positioning relative to the Primary/...

LSST mirror system status: from design to fabrication and integration

Lead Author: 
Araujo-Huack, Constanza
Other Authors/Credits: 
Sebag, J.; Liang, M.; Neill, D.; Muller, G.; Thomas, S.J.; Vucina, T.; Gressler, W. J.
Publication Date: 
Wednesday, July 27, 2016
Conference Papers
SPIE
Publication-104
Constanza Araujo-Hauck ; Jacques Sebag ; Ming Liang ; Douglas Neill ; Gary Muller, et al. " LSST mirror system status: from design to fabrication and integration ", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99060L (July 27, 2016); doi:10.1117/12.2232923; http://dx.doi.org/10.1117/...
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
In the construction phase since 2014, the Large Synoptic Survey Telescope (LSST) is an 8.4 meter diameter wide-field (3.5 degrees) survey telescope located on the summit of Cerro Pachón in Chile. The reflective telescope uses an 8.4 m f/1.06 concave primary, an annular 3.4 m meniscus convex...

Comparison of LSST and DECam wavefront recovery algorithms

Lead Author: 
Xin, Bo
Other Authors/Credits: 
Roodman, A.; Angeli, G.; Claver, C.; Thomas, S.
Publication Date: 
Wednesday, July 27, 2016
Conference Papers
SPIE
Publication-117
Bo Xin ; Aaron Roodman ; George Angeli ; Chuck Claver and Sandrine Thomas " Comparison of LSST and DECam wavefront recovery algorithms ", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99064J (July 27, 2016); doi:10.1117/12.2234456; http://dx.doi.org/10.1117/12.2234456
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
We make a detailed quantitative comparison of the wavefront recovery algorithms between those developed for Dark Energy Camera (DECam) and the Large Synoptic Survey Telescope (LSST). Samples used in this study include images of out of focus stars collected by the DECam at the Blanco 4-meter...

LSST summit facility construction progress report: reacting to design refinements and field conditions

Lead Author: 
Barr, Jeffrey D.
Other Authors/Credits: 
Gressler, W.; Sebag, J.; Seriche, J.; Serrano, E.
Publication Date: 
Wednesday, July 27, 2016
Conference Papers
SPIE
Document-21494
Jeffrey D. Barr ; William Gressler ; Jacques Sebag ; Jaime Seriche and Eduardo Serrano " LSST summit facility construction progress report: reacting to design refinements and field conditions ", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99060P (July 27, 2016); doi:10.1117/12...
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
The civil work, site infrastructure and buildings for the summit facility of the Large Synoptic Survey Telescope (LSST) are among the first major elements that need to be designed, bid and constructed to support the subsequent integration of the dome, telescope, optics, camera and supporting...

The LSST Dome final design

Lead Author: 
DeVries, Joseph
Other Authors/Credits: 
Neill, D.R.; Barr, J.; De Lorenzi, S.; Marchiori, G.
Publication Date: 
Wednesday, July 27, 2016
Conference Papers
SPIE
Publication-84
J. DeVries ; D. R. Neill ; J. Barr ; Simone De Lorenzi and Gianpietro Marchiori " The LSST Dome final design ", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99060N (July 27, 2016); doi:10.1117/12.2233320; http://dx.doi.org/10.1117/12.2233320
Journal or Publication name: 
SPIE Proceedings
Citable: 
no
Abstract: 
The Large Synoptic Survey Telescope (LSST) is a large (8.4 meter) wide-field (3.5 degree) survey telescope, which will be located on the Cerro Pachón summit in Chile 1. As a result of the Telescope wide field of view, the optical system is unusually susceptible to stray light 2. In addition,...

Pages

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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