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1. Gemini multi-conjugate adaptive optics system review II: Commissioning, operation and overall performance

Author

Neichel, Benoit, Rigaut, François, Vidal, Fabrice, van Dam, Marcos A., Garrel, Vincent, Carrasco, Eleazar Rodrigo, Pessev, Peter, Winge, Claudia, Boccas, Maxime, d'Orgeville, Céline, Arriagada, Gustavo, Serio, Andrew, Fesquet, Vincent, Rambold, William N., Lührs, Javier, Moreno, Cristian, Gausachs, Gaston, Galvez, Ramon L., Montes, Vanessa, Vucina, Tomislav B., Marin, Eduardo, Urrutia, Cristian, Lopez, Ariel, Diggs, Sarah J., Marchant, Claudio, Ebbers, Angelic W., Trujillo, Chadwick, Bec, Matthieu, Trancho, Gelys, McGregor, Peter, Young, Peter J., Colazo, Felipe, and Edwards, Michelle L.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The Gemini Multi-conjugate Adaptive Optics System - GeMS, a facility instrument mounted on the Gemini South telescope, delivers a uniform, near diffraction limited images at near infrared wavelengths (0.95 microns- 2.5 microns) over a field of view of 120 arc seconds. GeMS is the first sodium layer based multi laser guide star adaptive optics system used in astronomy. It uses five laser guide stars distributed on a 60 arc seconds square constellation to measure for atmospheric distortions and two deformable mirrors to compensate for it. In this paper, the second devoted to describe the GeMS project, we present the commissioning, overall performance and operational scheme of GeMS. Performance of each sub-system is derived from the commissioning results. The typical image quality, expressed in full with half maximum, Strehl ratios and variations over the field delivered by the system are then described. A discussion of the main contributor to performance limitation is carried-out. Finally, overheads and future system upgrades are described., Comment: 20 pages, 11 figures, accepted for publication in MNRAS

Published
2014
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2. Gems first science results

Author

Neichel, Benoit, Vidal, Fabrice, Rigaut, Francois, Carrasco, Eleazar Rodrigo, Arriagada, Gustavo, Serio, Andrew, Pessev, Peter, Winge, Claudia, van Dam, Marcos, Garrel, Vincent, Araujo, Constanza, Boccas, Maxime, Fesquet, Vincent, Galvez, Ramon, Gausachs, Gaston, Luhrs, Javier, Montes, Vanessa, Moreno, Cristian, Rambold, William, Trujillo, Chadwick, Urrutia, Cristian, and Vucina, Tomislav

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

After 101 nights of commissioning, the Gemini MCAO system (GeMS) started science operations in December 2012. After a brief reminder on GeMS specificities, we describe the overall GeMS performance, and we focus then on the first science results obtained with GeMS, illustrating the unique capabilities of this new Gemini instrument., Comment: 9 pages, 5 figures, invited paper at the AO4ELT3 conference, Florence, 2013

Published
2014
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3. Gemini multi-conjugate adaptive optics system review I: Design, trade-offs and integration

Author

Rigaut, Francois, Neichel, Benoit, Boccas, Maxime, d'Orgeville, Céline, Vidal, Fabrice, van Dam, Marcos A., Arriagada, Gustavo, Fesquet, Vincent, Galvez, Ramon L., Gausachs, Gaston, Cavedoni, Chad, Ebbers, Angelic W., Karewicz, Stan, James, Eric, Lührs, Javier, Montes, Vanessa, Perez, Gabriel, Rambold, William N., Rojas, Roberto, Walker, Shane, Bec, Matthieu, Trancho, Gelys, Sheehan, Michael, Irarrazaval, Benjamin, Boyer, Corinne, Ellerbroek, Brent L., Flicker, Ralf, Gratadour, Damien, Garcia-Rissmann, Aurea, and Daruich, Felipe

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The Gemini Multi-conjugate adaptive optics System (GeMS) at the Gemini South telescope in Cerro Pach{\'o}n is the first sodium-based multi-Laser Guide Star (LGS) adaptive optics system. It uses five LGSs and two deformable mirrors to measure and compensate for atmospheric distortions. The GeMS project started in 1999, and saw first light in 2011. It is now in regular operation, producing images close to the diffraction limit in the near infrared, with uniform quality over a field of view of two square arcminutes. The present paper (I) is the first one in a two-paper review of GeMS. It describes the system, explains why and how it was built, discusses the design choices and trade-offs, and presents the main issues encountered during the course of the project. Finally, we briefly present the results of the system first light., Comment: 17 pages, 7 figures, Accepted for publication in MNRAS

Published
2013
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4. GMT telescope seismic isolation system design and validation

Author

Marshall, Heather K., Spyromilio, Jason, Usuda, Tomonori, Fernández, Alberto, Hernández, Iñigo, Castro, Nerea, Bilbao, Armando, Mosqueda, Gilberto, Sepulveda, Claudio, Bustamante, Ricardo, Bigelow, Bruce C., Arriagada, Gustavo, Villar, Eduardo, Madden, Christopher, Vulinovic, Miroslav, Meza, Francisco, and Swett, Hector

Published
2024
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6. GMT enclosure detail engineering design: facing the construction phase

Author

Marshall, Heather K., Spyromilio, Jason, Usuda, Tomonori, Castro, Nerea, Bilbao, Armando, Fernández, Alberto, Sierra, Paula, Gómez, Ángel, Cabezuelo, Lourdes, Fernández, Esther, Martinez, Juan, Sanchez, Francisco José, Martin, Miguel, de Echenique, Arantza, Pereira, Rodrigo, Massa, Andres Alfredo, Bigelow, Bruce C., Arriagada, Gustavo, Villar, Eduardo, Madden, Christopher, Vulinovic, Miroslav, Meza, Francisco, and Swett, Hector

Published
2024
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14. GEMS/GSAOI: FROM COMMISSIONING TO OPERATIONS AND SCIENCE RESULTS

Author

Carrasco, Eleazar R., Neichel, Benoit, Rigaut, Francois, Winge, C, Vidal, Fabrice, Pessev, Peter, Serio, Andrew, Arriagada, Gustavo, Rambold, William N., Luhrs, J, d'Orgeville, Celine, Fesquet, Vincent, Carrasco, Eleazar R., Neichel, Benoit, Rigaut, Francois, Winge, C, Vidal, Fabrice, Pessev, Peter, Serio, Andrew, Arriagada, Gustavo, Rambold, William N., Luhrs, J, d'Orgeville, Celine, and Fesquet, Vincent

Published
2014

15. Gemini multiconjugate adaptive optics system review - I. Design, trade-offs and integration

Author

Rigaut, Francois, Neichel, Benoit, Boccas, Maxime, d'Orgeville, Celine, Vidal, Fabrice, van Dam, Marcos Alejandro, Arriagada, Gustavo, Fesquet, Vincent, Gausachs, Gaston, Rambold, William N., Walker, Shane, Bec, Matthieu, Galvez, R, Ebbers, Angelic, James, Eric, Montes, Vanessa, Perez, G, Rojas, Roberto, Rigaut, Francois, Neichel, Benoit, Boccas, Maxime, d'Orgeville, Celine, Vidal, Fabrice, van Dam, Marcos Alejandro, Arriagada, Gustavo, Fesquet, Vincent, Gausachs, Gaston, Rambold, William N., Walker, Shane, Bec, Matthieu, Galvez, R, Ebbers, Angelic, James, Eric, Montes, Vanessa, Perez, G, and Rojas, Roberto

Abstract

The Gemini multiconjugate adaptive optics system (GeMS) at the Gemini South telescope in Cerro Pachón is the first sodium-based multilaser guide star (LGS) adaptive optics system. It uses five LGSs and two deformable mirrors to measure and compensate for

Published
2014

16. First performance of the GeMS+GMOS system

Author

Hibon, Pascale, Neichel, Benoit, Garrel, Vincent, Prout, Benjamin, Rigaut, Francois, Koning, Alice, Sivo, Gaetano, Gimeno, German, Carrasco, Rodrigo, Winge, C, Pessev, Peter, Serio, Andrew, Arriagada, Gustavo, Hibon, Pascale, Neichel, Benoit, Garrel, Vincent, Prout, Benjamin, Rigaut, Francois, Koning, Alice, Sivo, Gaetano, Gimeno, German, Carrasco, Rodrigo, Winge, C, Pessev, Peter, Serio, Andrew, and Arriagada, Gustavo

Abstract

During the 2012 commissioning of the Gemini MCAO System (GeMS) in Gemini South Observatory, we briefly explored the performance improvement brought by pairing GeMS with the Gemini Multi-Object Spectrograph (GMOS), compared to GMOS in natural seeing mode.

Published
2014

17. Life with quintuplets: transitioning GeMS into regular operations

Author

Garrel, Vincent, additional, Van Dam, Marcos A., additional, Neichel, Benoît, additional, Vidal, Fabrice, additional, Sivo, Gaetano, additional, Marin, Eduardo, additional, Montes, Vanessa, additional, Serio, Andrew, additional, Arriagada, Gustavo, additional, Trujillo, Chadwick, additional, Rambold, William N., additional, Gigoux, Pedro, additional, Galvez, Ramon, additional, Moreno, Cristian, additional, Araujo Hauck, Constanza, additional, Vucina Parga, Tomislav, additional, Donahue, Jeff, additional, Marchant, Claudio, additional, Gausachs, Gaston, additional, Collao, Fabian, additional, Carrasco Damele, Eleazar R., additional, Pessev, Peter, additional, and Lopez, Ariel, additional

Published
2014
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18. First performance of the GeMS+GMOS system

Author

Hibon, Pascale, additional, Neichel, Benoit, additional, Garrel, Vincent, additional, Prout, Benjamin, additional, Rigaut, Francois, additional, Koning, Alice, additional, Sivo, Gaetano, additional, Gimeno, German, additional, Carrasco, Rodrigo, additional, Winge, Claudia, additional, Pessev, Peter, additional, Serio, Andrew, additional, and Arriagada, Gustavo, additional

Published
2014
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19. Gemini multiconjugate adaptive optics system review – II. Commissioning, operation and overall performance

Author

Neichel, Benoit, primary, Rigaut, François, additional, Vidal, Fabrice, additional, van Dam, Marcos A., additional, Garrel, Vincent, additional, Carrasco, Eleazar Rodrigo, additional, Pessev, Peter, additional, Winge, Claudia, additional, Boccas, Maxime, additional, d'Orgeville, Céline, additional, Arriagada, Gustavo, additional, Serio, Andrew, additional, Fesquet, Vincent, additional, Rambold, William N., additional, Lührs, Javier, additional, Moreno, Cristian, additional, Gausachs, Gaston, additional, Galvez, Ramon L., additional, Montes, Vanessa, additional, Vucina, Tomislav B., additional, Marin, Eduardo, additional, Urrutia, Cristian, additional, Lopez, Ariel, additional, Diggs, Sarah J., additional, Marchant, Claudio, additional, Ebbers, Angelic W., additional, Trujillo, Chadwick, additional, Bec, Matthieu, additional, Trancho, Gelys, additional, McGregor, Peter, additional, Young, Peter J., additional, Colazo, Felipe, additional, and Edwards, Michelle L., additional

Published
2014
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21. GeMS first on-sky results

Author

Rigaut, Francois, Neichel, Benoit, Boccas, Maxime, d'Orgeville, Celine, Arriagada, Gustavo, Fesquet, Vincent, Diggs, Sarah J, Marchand, Claudio, Gausachs, Gaston, Rambold, William N., Lurhs, Javier, Walker, Shane, McGregor, Peter, Young, Peter, Doolan, Matthew, van Harmelen, Jan, Rigaut, Francois, Neichel, Benoit, Boccas, Maxime, d'Orgeville, Celine, Arriagada, Gustavo, Fesquet, Vincent, Diggs, Sarah J, Marchand, Claudio, Gausachs, Gaston, Rambold, William N., Lurhs, Javier, Walker, Shane, McGregor, Peter, Young, Peter, Doolan, Matthew, and van Harmelen, Jan

Abstract

GeMS, the Gemini Laser Guide Star Multi-Conjugate Adaptive Optics facility system, has seen first light in December 2011, and has already produced images with H band Strehl ratio in excess of 35% over fields of view of 85x85 arcsec, fulfilling the MCAO promise. In this paper, we report on these early results, analyze trends in performance, and concentrate on key or novel aspects of the system, like centroid gain estimation, on-sky non-common path aberration estimation. We also present the first astrometric analysis, showing very encouraging results.

Published
2012

22. Gemini's instrumentation program: Latest results and long-range plan

Author

Boccas, Maxime, Kleinman, S, Goodsell, Stephen, Tollestrup, Eric, Adamson, Andy, Arriagada, Gustavo, Christou, Julian, Gonzalez, Patricio, Hanna, Kevin, Hartung, Markus, Lazo, Manuel, Neichel, Benoit, Perez, G, Walls, Brian, White, John K, Boccas, Maxime, Kleinman, S, Goodsell, Stephen, Tollestrup, Eric, Adamson, Andy, Arriagada, Gustavo, Christou, Julian, Gonzalez, Patricio, Hanna, Kevin, Hartung, Markus, Lazo, Manuel, Neichel, Benoit, Perez, G, Walls, Brian, and White, John K

Abstract

The Gemini Observatory is going through an extraordinary time with astronomical instrumentation. New powerful capabilities are delivered and are soon entering scientific operations. In parallel, new instruments are being planned and designed to align the

Published
2012

23. Gemini South multi-conjugate adaptive optics (GeMS) laser guide star facility on-sky performance results

Author

d'Orgeville, Celine, Diggs, Sarah J, Fesquet, Vincent, Neichel, Benoit, Rambold, William N., Rigaut, Francois, Serio, Andrew, Araya, Claudio, Arriagada, Gustavo, Balladares, Rodrigo, Bec, Matthieu, Boccas, Maxime, Ebbers, Angelic, Lopez, Ariel, Marin, Eduardo, Montes, Vanessa, Trancho, Gelys, Trujillo, Chadwick, Urrutia, Cristian, Vucina, Tomislav, d'Orgeville, Celine, Diggs, Sarah J, Fesquet, Vincent, Neichel, Benoit, Rambold, William N., Rigaut, Francois, Serio, Andrew, Araya, Claudio, Arriagada, Gustavo, Balladares, Rodrigo, Bec, Matthieu, Boccas, Maxime, Ebbers, Angelic, Lopez, Ariel, Marin, Eduardo, Montes, Vanessa, Trancho, Gelys, Trujillo, Chadwick, Urrutia, Cristian, and Vucina, Tomislav

Abstract

With two to three deformable mirrors, three Natural Guide Stars (NGS) and five sodium Laser Guide Stars (LGS), the Gemini Multi-Conjugate Adaptive Optics System (Gemini MCAO a.k.a. GeMS) will be the first facility-class MCAO capability to be offered for regular science observations starting in 2013A. The engineering and science commissioning phase of the project was kicked off in January 2011 when the Gemini South Laser Guide Star Facility (GS LGSF) propagated its 50W laser above the summit of Cerro Pachón, Chile. GeMS commissioning has proceeded throughout 2011 and the first half of 2012 at a pace of one 6- to 10-night run per month with a 5-month pause during the 2011 Chilean winter. This paper focuses on the LGSF-side of the project and provides an overview of the LGSF system and subsystems, their top-level specifications, design, integration with the telescope, and performance throughout commissioning and beyond. Subsystems of the GS LGSF include: (i) a diode-pumped solid-state 1.06+1.32 micron sum-frequency laser capable of producing over 50W of output power at the sodium wavelength (589nm); (ii) Beam Transfer Optics (BTO) that transport the 50W beam up the telescope, split the beam five-ways and configure the five 10W beams for projection by the Laser Launch Telescope (LLT) located behind the Gemini South 8m telescope secondary mirror; and (iii) a variety of safety systems to ensure safe laser operations for observatory personnel and equipment, neighbor observatories, as well as passing aircrafts and satellites.

Published
2012

24. Science readiness of the Gemini MCAO system: GeMS

Author

Neichel, Benoit, Rigaut, Francois, Serio, Andrew, Arriagada, Gustavo, Boccas, Maxime, d'Orgeville, Celine, Fesquet, Vincent, Trujillo, Chadwick, Rambold, William N., Gausachs, Gaston, Diggs, Sarah J, Araya, Claudio, Galvez, R, Vucina, Tomislav, Montes, Vanessa, Urrutia, Cristian, Bec, Matthieu, Marchant, Claudio, Neichel, Benoit, Rigaut, Francois, Serio, Andrew, Arriagada, Gustavo, Boccas, Maxime, d'Orgeville, Celine, Fesquet, Vincent, Trujillo, Chadwick, Rambold, William N., Gausachs, Gaston, Diggs, Sarah J, Araya, Claudio, Galvez, R, Vucina, Tomislav, Montes, Vanessa, Urrutia, Cristian, Bec, Matthieu, and Marchant, Claudio

Abstract

The Gemini Multi-Conjugate Adaptive Optics System (GeMS) began its on-sky commissioning in January 2011. The system provides high order wide-field corrections using a constellation of five Laser Guide Stars. In December 2011, commissioning culminated in images with a FWHM of 80±2mas at 1.65 microns (H band) over an 87 x 87 arcsecond field of view. The first images have already demonstrated the scientific potential of GeMS, and after more than a year of commissioning GeMS is finally close to completion and ready for science. This paper presents a general status of the GeMS project and summarizes the achievements made during more than a year of commissioning. The characterization of GeMS performance is presented in a companion paper: "GeMS on-sky results", Rigaut et al.1 Here we report on the sub-systems' performance, discuss current limitations and present proposed upgrades. The integration of GeMS into the observatory operational scheme is detailed. Finally, we present the plans for next year's operations with GeMS.

Published
2012

25. GeMS: Gemini MCAO System: current status and commissioning plans

Author

Boccas, Maxime, Rigaut, Francois, Gratadour, Damien, d'Orgeville, Celine, Bec, M, Daruich, F, Perez, G, Arriagada, Gustavo, Bombino, S, Carter, Chris, Cavedoni, Chas, Collao, Fabian, Boccas, Maxime, Rigaut, Francois, Gratadour, Damien, d'Orgeville, Celine, Bec, M, Daruich, F, Perez, G, Arriagada, Gustavo, Bombino, S, Carter, Chris, Cavedoni, Chas, and Collao, Fabian

Abstract

The Gemini Multi-Conjugate Adaptive Optics project was launched in April 1999 to become the Gemini South AO facility in Chile. The system includes 5 laser guide stars, 3 natural guide stars and 3 deformable mirrors optically conjugated at 0, 4.5 and 9km to achieve near-uniform atmospheric compensation over a 1 arc minute square field of view. Sub-contracted systems with vendors were started as early as October 2001 and were all delivered by July 2007, but for the 50W laser (due around September 2008). The in-house development began in January 2006, and is expected to be completed by the end of 2008 to continue with integration and testing (I&T) on the telescope. The on-sky commissioning phase is scheduled to start during the first half of 2009. In this general overview, we will first describe the status of each subsystem with their major requirements, risk areas and achieved performance. Next we will present our plan to complete the project by reviewing the remaining steps through I&T and commissioning on the telescope, both during day-time and at night-time. Finally, we will summarize some management activities like schedules, resources and conclude with some lessons learned.

Published
2008

26. The Gemini MCAO bench: system overview and lab integration

Author

Bec, M, Rigaut, Francois, Galvez, R, Arriagada, Gustavo, Boccas, Maxime, Gausachs, Gaston, Gratadour, Damien, James, Eric, Rojas, Roberto, Rogers, R, Sheehan, Michael, Bec, M, Rigaut, Francois, Galvez, R, Arriagada, Gustavo, Boccas, Maxime, Gausachs, Gaston, Gratadour, Damien, James, Eric, Rojas, Roberto, Rogers, R, and Sheehan, Michael

Abstract

We present Canopus, the AO bench for Gemini's Multi Conjugate Adaptive Optics System (GEMS), a unique facility for the Gemini South telescope located at Cerro Pachon in Chile. The MCAO system uses five laser beacons in conjunction with different natural guide stars configurations. A deployable fold mirror located in the telescope Acquisition and Guiding Unit (A&G) sends the telescope beam to the entrance of the bench. The beam is split within Canopus into three main components: two sensing paths and the output corrected science beam. Light from the laser constellation (589nm) is directed to five Shack-Hartman wave front sensors (E2V-39 CCDs read at 800Hz). Visible light from natural guide stars is sent to three independent sensors arrays (SCPM AQ4C Avalanche Photodiodes modules in quad cell arrangement) via optical fibers mounted on independent stages and a slow focus sensor (E2V-57 back-illuminated CCD). The infrared corrected beam exits Canopus and goes to instrumentation for science. The Real Time Controller (RTC) analyses wavefront signals and correct distortions using a fast tip-tilt mirror and three deformable mirrors conjugated at different altitudes. The RTC also adjusts positioning of the laser beacon (Beam Transfer Optics fast steering array), and handles miscellaneous offloads (M1 figure, M2 tip/tilt, LGS zoom and magnification corrections, NGS probes adjustments etc.). Background optimizations run on a separate dedicated server to feed new parameters into the RTC.

Published
2008

27. The Gemini South MCAO laser guide star facility: getting ready for first light

Author

d'Orgeville, Celine, Daruich, F, Arriagada, Gustavo, Bec, M, Boccas, Maxime, Bombino, S, Carter, Chris, Cavedoni, Chas, Collao, Fabian, Collins, P, James, Eric, Rigaut, Francois, d'Orgeville, Celine, Daruich, F, Arriagada, Gustavo, Bec, M, Boccas, Maxime, Bombino, S, Carter, Chris, Cavedoni, Chas, Collao, Fabian, Collins, P, James, Eric, and Rigaut, Francois

Abstract

The Gemini Observatory is in the final integration and test phase for its Multi-Conjugate Adaptive Optics (MCAO) project at the Gemini South 8-meter telescope atop Cerro Pachón, Chile. This paper presents an overview and status of the laser-side of the M

Published
2008

28. Science readiness of the Gemini MCAO System: GeMS

Author

Neichel, Benoit, primary, Rigaut, Franҫois, additional, Serio, Andrew, additional, Arriagada, Gustavo, additional, Boccas, Maxime, additional, d'Orgeville, Céline, additional, Fesquet, Vincent, additional, Trujillo, Chadwick, additional, Rambold, William N., additional, Galvez, Ramon L., additional, Gausachs, Gaston, additional, Vucina, Tomislav B., additional, Montes, Vanessa, additional, Urrutia, Cristian, additional, Moreno, Cristian, additional, Diggs, Sarah J., additional, Araya, Claudio, additional, Lührs, Javier, additional, Trancho, Gelys, additional, Bec, Matthieu, additional, Marchant, Claudio, additional, Collao, Fabian, additional, Carrasco, Eleazar R., additional, Edwards, Michelle L., additional, Pessev, Peter, additional, Lopez, Ariel, additional, and Diaz, Herman, additional

Published
2012
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29. Gemini's instrumentation program: latest results and long-range plan

Author

Boccas, Maxime, primary, Kleinman, S. J., additional, Goodsell, Stephen, additional, Tollestrup, Eric, additional, Adamson, Andrew, additional, Arriagada, Gustavo, additional, Christou, Julian, additional, Gonzalez, Patricio, additional, Hanna, Kevin, additional, Hartung, Markus, additional, Lazo, Manuel, additional, Mason, Rachel, additional, Neichel, Benoît, additional, Perez, Gabriel, additional, Simons, Doug, additional, Walls, Brian, additional, and White, John, additional

Published
2012
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30. Gemini South multi-conjugate adaptive optics (GeMS) laser guide star facility on-sky performance results

Author

d'Orgeville, Céline, primary, Diggs, Sarah, additional, Fesquet, Vincent, additional, Neichel, Benoit, additional, Rambold, William, additional, Rigaut, François, additional, Serio, Andrew, additional, Araya, Claudio, additional, Arriagada, Gustavo, additional, Balladares, Rodrigo, additional, Bec, Matthieu, additional, Boccas, Maxime, additional, Duran, Camila, additional, Ebbers, Angelic, additional, Lopez, Ariel, additional, Marchant, Claudio, additional, Marin, Eduardo, additional, Montes, Vanessa, additional, Moreno, Cristian, additional, Petit Vega, Eric, additional, Segura, Carlos, additional, Trancho, Gelys, additional, Trujillo, Chad, additional, Urrutia, Cristian, additional, Veliz, Patricio, additional, and Vucina, Tomislav, additional

Published
2012
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31. GeMS: first on-sky results

Author

Rigaut, Franҫois, primary, Neichel, Benoit, additional, Boccas, Maxime, additional, d'Orgeville, Céline, additional, Arriagada, Gustavo, additional, Fesquet, Vincent, additional, Diggs, Sarah J., additional, Marchant, Claudio, additional, Gausach, Gaston, additional, Rambold, William N., additional, Luhrs, Javier, additional, Walker, Shane, additional, Carrasco-Damele, Eleazar R., additional, Edwards, Michelle L., additional, Pessev, Peter, additional, Galvez, Ramon L., additional, Vucina, Tomislav B., additional, Araya, Claudio, additional, Gutierrez, Alejandro, additional, Ebbers, Angelic W., additional, Serio, Andrew, additional, Moreno, Cristian, additional, Urrutia, Cristian, additional, Rogers, Rolando, additional, Rojas, Roberto, additional, Trujillo, Chadwick, additional, Miller, Bryan, additional, Simons, Douglas A., additional, Lopez, Ariel, additional, Montes, Vanessa, additional, Diaz, Herman, additional, Daruich, Felipe, additional, Colazo, Felipe, additional, Bec, Matthieu, additional, Trancho, Gelys, additional, Sheehan, Michael, additional, McGregor, Peter, additional, Young, Peter J., additional, Doolan, Matthew C., additional, van Harmelen, Jan, additional, Ellerbroek, Brent L., additional, Gratadour, Damien, additional, and Garcia-Rissmann, Aurea, additional

Published
2012
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33. The Gemini South MCAO laser guide star facility: getting ready for first light

Author

d'Orgeville, Céline, primary, Daruich, Felipe, additional, Arriagada, Gustavo, additional, Bec, Matthieu, additional, Boccas, Maxime, additional, Bombino, Stacy, additional, Carter, Chris, additional, Cavedoni, Chas, additional, Collao, Fabian, additional, Collins, Paul, additional, James, Eric, additional, Karewicz, Stan, additional, Lazo, Manuel, additional, Maltes, Diego, additional, Mouser, Ron, additional, Perez, Gabriel, additional, Rigaut, François, additional, Rojas, Roberto, additional, Sheehan, Mike, additional, Trancho, Gelys, additional, Vergara, Vicente, additional, and Vucina, Tomislav, additional

Published
2008
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34. The Gemini MCAO bench: system overview and lab integration

Author

Bec, Matthieu, primary, Rigaut, Francois J., additional, Galvez, Ramon, additional, Arriagada, Gustavo, additional, Boccas, Maxime, additional, Gausachs, Gaston, additional, Gratadour, Damien, additional, James, Eric, additional, Rojas, Roberto, additional, Rogers, Rolando, additional, Sheehan, Michael P., additional, Trancho, Gelys, additional, and Vucina, Tomislav, additional

Published
2008
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35. GeMS: Gemini Mcao System: current status and commissioning plans

Author

Boccas, Maxime, primary, Rigaut, François, additional, Gratadour, Damien, additional, d'Orgeville, Céline, additional, Bec, Matthieu, additional, Daruich, Felipe, additional, Perez, Gabriel, additional, Arriagada, Gustavo, additional, Bombino, Stacy, additional, Carter, Chris, additional, Cavedoni, Chas, additional, Collao, Fabian, additional, Collins, Paul, additional, Diaz, Pablo, additional, Ebbers, Angelic, additional, Galvez, Ramon, additional, Gausachs, Gaston, additional, Hardash, Steve, additional, James, Eric, additional, Karewicz, Stan, additional, Lazo, Manuel, additional, Maltes, Diego, additional, Mouser, Ron, additional, Rogers, Rolando, additional, Rojas, Roberto, additional, Sheehan, Michael, additional, Trancho, Gelys, additional, Vergara, Vicente, additional, and Vucina, Tomislav, additional

Published
2008
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36. Laser guide star upgrade of Altair at Gemini North

Author

Boccas, Maxime, primary, Rigaut, Francois, additional, Bec, Matthieu, additional, Irarrazaval, Benjamin, additional, James, Eric, additional, Ebbers, Angelic, additional, d'Orgeville, Celine, additional, Grace, Kenny, additional, Arriagada, Gustavo, additional, Karewicz, Stan, additional, Sheehan, Mike, additional, White, John, additional, and Chan, Simon, additional

Published
2006
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42. First performance of the GeMS+GMOS system

Author

Ramsay, Suzanne K., McLean, Ian S., Takami, Hideki, Hibon, Pascale, Neichel, Benoit, Garrel, Vincent, Prout, Benjamin, Rigaut, Francois, Koning, Alice, Sivo, Gaetano, Gimeno, German, Carrasco, Rodrigo, Winge, Claudia, Pessev, Peter, Serio, Andrew, and Arriagada, Gustavo

Published
2014
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44. Life with quintuplets: transitioning GeMS into regular operations

Author

Marchetti, Enrico, Close, Laird M., Véran, Jean-Pierre, Garrel, Vincent, Van Dam, Marcos A., Neichel, Benoît, Vidal, Fabrice, Sivo, Gaetano, Marin, Eduardo, Montes, Vanessa, Serio, Andrew, Arriagada, Gustavo, Trujillo, Chadwick, Rambold, William N., Gigoux, Pedro, Galvez, Ramon, Moreno, Cristian, Araujo Hauck, Constanza, Vucina Parga, Tomislav, Donahue, Jeff, Marchant, Claudio, Gausachs, Gaston, Collao, Fabian, Carrasco Damele, Eleazar R., Pessev, Peter, and Lopez, Ariel

Published
2014
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