Infrared Excesses around Bright White Dwarfs from Gaia and unWISE. II

Autor: Samuel Lai, Erik Dennihy, Siyi Xu, Atsuko Nitta, Scot Kleinman, S. K. Leggett, Amy Bonsor, Simon Hodgkin, Alberto Rebassa-Mansergas, Laura K. Rogers

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Digital.CSIC. Repositorio Institucional del CSIC
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Infrared excesses around white dwarf stars indicate the presence of various astrophysical objects of interest, including companions and debris disks. In this second paper of a series, we present follow-up observations of infrared excess candidates fr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f7cdacaaaeb9413e6090da16ca37ed7
https://www.repository.cam.ac.uk/handle/1810/327117

SCORPIO: Final design and performance estimates for time domain astronomy

Autor: Stephen A. Smee, Manuel Maldonado-Medina, Ana Pérez-Calpena, Rebecca Thibodeaux, Thomas Lechner, Scot Kleinman, Adam Thornton, Jason L. Stange, S. Pope, Ruben Diaz, Manuel Lazo, Antonina Brody, Ethan E. Chaffee, Ernesto Sánchez-Blanco, Alexa K. Mathias, Amanda J. Bayless, Peter W. A. Roming, Stephen C. Hope, Carl L. Schwendeman, M. Andersen, Massimo Robberto, Ronnie Killough, Thomas L. Hayward, Todd J. Veach, Gerardo Veredas, Landon Gelman, Ernesto R. Verastegui, Alexander J. van der Horst, Kelly D. Smith, Robert H. Barkhouser, Stephen J. Goodsell, María Luisa García-Vargas, Jeffrey Radwick, G. A. Grubbs, K. B. Persson, Andrew L. Peterson

Publikováno v: Ground-based and Airborne Instrumentation for Astronomy VIII.

SCORPIO is the next facility instrument for the Gemini South telescope at Cerro Pachon, Chile. SCORPIO’s main science driver is the detection and monitoring of faint time-domain events, in particular the follow-up of discoveries by the Vera C. Rubi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::91de4ad9f00253cd0b60cfc690d452e3
https://doi.org/10.1117/12.2568031

Gemini North Adaptive Optics (GNAO): an MCAO system for Gemini North towards Conceptual Design

Autor: Gaetano Sivo, David Palmer, Julia Scharwächter, Morten Andersen, Natalie Provost, Eduardo Marin, Marcos van Dam, Brian Chinn, Emmanuel Chirre, Charles Cavedoni, Thomas Schneider, Stacy Kang, Paul Hirst, William Rambold, Angelic Ebbers, Pedro Gigoux, Laure Catala, Thomas Hayward, John Blakeslee, Henry Roe, Jennifer Lotz, Scot Kleinman, Manuel Lazo, Celia Blain, Suresh Sivanandam, Anja Feldmeier-Krause, Mark Ammons, Chadwick Trujillo, Chris Packham, Franck Marchis, Julian Christou, James Jee, John Bally, Mike Pierce, Thomas Puzia, Paolo Turri, Hwihyun Kim, Meg Schwamb, Trent Dupuy, Ruben Diaz, Rodrigo Carrasco, Benoit Neichel, Carlos Correia, Eric Steinbring, François Rigaut, Jean-Pierre Véran, Mark Chun, Masen Lamb, Scott Chapman, Simone Esposito, Thierry Fusco

Publikováno v: 6th International Conference on Adaptive Optics for Extremely Large Telescopes, AO4ELT 2019
6th International Conference on Adaptive Optics for Extremely Large Telescopes, AO4ELT 2019, Jun 2019, Quebec City, Canada
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International audience; Gemini Observatory has been awarded from the National Science Foundation a major fund to build a new state-of-the-art Multi Conjugate Adaptive Optics facility for Gemini North on Maunakea called GNAO. The current Telephone: 1+

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::bdaf22024510878c7dbc9fbee60f2eaf
https://hal.archives-ouvertes.fr/hal-02862325/file/DOTA20092.1590652549.pdf

Hamamatsu CCD upgrade for the Gemini multi-object spectrographs GMOS-S and GMOS-N: results from the 2017 GMOS-N upgrade and project completion summary

Autor: Kevin Hanna, Jennifer Miller, Tim Hardy, Jennifer Dunn, John White, Luc Boucher, Prabhani Rajakaruna, Kathleen Labrie, Scot Kleinman, Kristin Chiboucas, Manuel Lazo, Javier Luhrs, Eduardo Tapia, Andrew W. Stephens, German Gimeno, Mathew J. Rippa, Michael Pohlen, Julia Scharwächter, Michael Lundquist

Publikováno v: Ground-based and Airborne Instrumentation for Astronomy VII.

The installation of fully-depleted Hamamatsu CCDs in GMOS-N in February/March 2017 marked the conclusion of the CCD upgrade project for the two Gemini Multi-Object Spectrographs. The corresponding upgrade for GMOS-S was completed in June/July 2014, s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b79b1fdc5235a00842ccc13910522417
https://doi.org/10.1117/12.2313058

An infusion of new blood using the Toptica laser with GeMS: results of the commissioning and science performance

Autor: Francois Rigaut, Gabriel Perez, Cristian Moreno, Vanessa Montes, Lindsay Magill, Joy Chavez, Christine Cunningham, Paul Hirst, Michiel van der Hoeven, Pablo Díaz, Marcos A. van Dam, Allen K. Hankla, Vincent Garrel, Paul Collins, Rodrigo Carrasco, Morten Andersen, Scot Kleinman, Constanza Araujo, Emmanuel Chirre, Gaetano Sivo, R. G. M. Rutten, Angelic Ebbers, Jeff Donahue, Gianluca Lombardi, Benoit Neichel, Eduardo Marin, Ariel Lopez, Manuel Lazo, Vicente Vergara

Publikováno v: Adaptive Optics Systems VI
Adaptive Optics Systems VI, Jun 2018, Austin, United States. pp.25, ⟨10.1117/12.2312090⟩

Adaptive Optics (AO) systems aim at detecting and correcting for optical distortions induced by atmospheric turbulences. The Gemini Multi Conjugated AO System GeMS is operational and regularly used for science observations since 2013 delivering close

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af79f6176e58a389366c211bdc0f3b57
https://hal.archives-ouvertes.fr/hal-02361151