Dr. Javier Garciá-Carpio Profile

Dr. Javier Garciá-Carpio

at Max-Planck-Institut für extraterrestrische Physik

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Publications (5)

Proceedings Article | 15 August 2024 Presentation + Paper

Prime Focus Spectrograph (PFS) for Subaru Telescope: progressing final steps to science operation

Naoyuki Tamura, Kiyoto Yabe, Shintaro Koshida, Yuki Moritani, Masayuki Tanaka, Miho Ishigaki, Yuki Ishizuka, Yukiko Kamata, Ali Allaoui, Akira Arai, Stéphane Arnouts, Rudy Barette, Robert Barkhouser, Eddie Bergeron, Patrick Blanchard, Neven Caplar, Michael Carle, Pierre-Yves Chabaud, Yin-Chang Chang, Hsin-Yo Chen, Richard C. Chou, Judith Cohen, Ricardo Costa, Thibaut Crauchet, Rodorigo de Almeida, Antonio de Oliveira, Ligia de Oliveira, Kjetil Dohlen, Leandro dos Santos, László Dobos, Richard Ellis, Steve Ertel, Maximilian Fabricius, Décio Ferreira, Hisanori Furusawa, Wilfred Gee, Javier Garciá-Carpio, Roman Gerasimov, Mirek Golebiowski, Aidan Gray, James Gunn, ChangHoon Hahn, Satoshi Hamano, Randolph Hammond, Albert Harding, Takashi Hattori, Kota Hayashi, Wanqiu He, Timothy Heckman, Stephen Hope, Shu-Fu Hsu, Pin-Jie Huang, Marc Jaquet, Eric Jeschke, Christian Jespersen, Yipeng Jing, Russell Kackley, Jennifer Karr, Satoshi Kawanomoto, Masahiko Kimura, Evan Kirby, Michitaro Koike, Eiichiro Komatsu, Yusei Koyama, Vincent Le Brun, Arnaud Le Fur, David Le Mignant, Gerald Lemson, Yen-Ting Lin, Hung-Hsu Ling, Craig Loomis, Robert Lupton, Fabrice Madec, Danilo Marchesini, Lucas Marrara, Dmitry Medvedev, Sogo Mineo, Arik Mitschang, Satoshi Miyazaki, Kumiko Morihana, Takahiro Morishima, Hitoshi Murayama, Graham Murray, Sakurako Okamoto, Hirofumi Okita, Masato Onodera, Vera Passegger, Joshua Peebles, Paul Price, Tae-Soo Pyo, Lucio Ramos, Daniel Reiley, Martin Reinecke, Mitsuko Roberts, Josemar Rosa, Julien Rousselle, Kody Rubio, Kiaina Schubert, Michael Seiffert, Jared Siegel, Stephen Smee, Laerte Sodré, Michael Strauss, Tomomi Sunayama, Christian Surace, Masahiro Takada, Yuhei Takagi, Ichi Tanaka, Yoko Tanaka, Aniruddha Thakar, Didier Vibert, Shiang-Yu Wang, Chih-Yi Wen, Suzanne Werner, Matthew Wung, Chi-Hung Yan, Naoki Yasuda, Hiroshige Yoshida

Proceedings Volume 13096, 1309605 (2024) https://doi.org/10.1117/12.3015967

KEYWORDS: Telescopes, Equipment, Engineering, Cameras, Calibration, Observatories, Stars, Near infrared, Observational astronomy, Spectrographs

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The instrumentation of the Prime Focus Spectrograph (PFS), a next generation facility instrument on the Subaru telescope, is now in the final phase of its commissioning process and its general, open-use operations for sciences will provisionally start in 2025. The instrument enables simultaneous spectroscopy with 2386 individual fibers distributed over a very wide (∼1.3 degrees in diameter) field of view on the Subaru’s prime focus. The spectra cover a wide range of wavelengths from 380nm to 1260nm in one exposure in the Low-Resolution (LR) mode (while the visible red channel has the Medium-Resolution (MR) mode as well that covers 710−885nm). The system integration activities at the observatory on Maunakea in Hawaii have been continuing since the arrival of the Metrology Camera System in 2018. On-sky engineering tests and observations have also been carried out continually since September 2021 and, despite various difficulties in interlacing commissioning processes with development activities on the schedule and addressing some major issues on hardware and software, the team successfully observed many targeted stars as intended over the entire field of view (Engineering First Light) in September 2022. Then in parallel to the arrival, integration and commissioning of more hardware components, validations and optimizations of the performance and operation of the instrument are ongoing. The accuracy of the fiber positioning process and the speed of the fiber reconfiguration process have been recently confirmed to be ∼ 20−30μm for 95% of allocated fibers, and ∼130 seconds, respectively. While precise quantitative analyses are still in progress, the measured throughput has been confirmed to be consistent with the model where the information from various sub-components and sub-assemblies is integrated. Long integration of relatively faint objects are being taken to validate an expected increase of signal-to-noise ratio as more exposures are taken and co-added without any serious systematic errors from, e.g., sky subtraction process. The PFS science operation will be carried out in a queue mode by default and various developments, implementations and validations have been underway accordingly in parallel to the instrument commissioning activities. Meetings and sessions are arranged continually with the communities of potential PFS users on multiple scales, and discussions are iterated for mutual understanding and possible optimization of the rules and procedures over a wide range of processes such as proposal submission, observation planning, data acquisition and data delivery. The end-to-end processes of queue observations including successive exposures with updated plans based on assessed qualities of the data from past observations are being tested during engineering observations, and further optimizations are being undertaken. In this contribution, a top-level summary of these achievements and ongoing progresses and future perspectives will be provided.

Proceedings Article | 29 August 2022 Presentation + Paper

Prime Focus Spectrograph (PFS) for the Subaru Telescope: its start of the last development phase

Naoyuki Tamura, Yuki Moritani, Kiyoto Yabe, Yuki Ishizuka, Yukiko Kamata, Ali Allaoui, Akira Arai, Stéphane Arnouts, Robert Barkhouser, Rudy Barette, Patrick Blanchard, Eddie Bergeron, Neven Caplar, Pierre-Yves Chabaud, Yin-Chang Chang, Hsin-Yo Chen, Chueh-Yi Chou, You-Hua Chu, Judith Cohen, Richardo da Costa, Thibaut Crauchet, Rodrigo de Almeida, Antonio de Oliveira, Ligia de Oliveira, Kjetil Dohlen, Leandro dos Santos, Richard Ellis, Maximilian Fabricius, Décio Ferreira, Hisanori Furusawa, Jahmour Givans, Javier Garciá-Carpio, Mirek Golebiowski, Aidan Gray, James Gunn, Satoshi Hamano, Randolph Hammond, Albert Harding, Kota Hayashi, Wanqiu He, Timothy Heckman, Stephen Hope, Shu-Fu Hsu, Yen-Shan Hu, Pin Jie Huang, Miho Ishigaki, Eric Jeschke, Yipeng Jing, Erin Kado-Fong, Jennifer Karr, Satoshi Kawanomoto, Masahiko Kimura, Michitaro Koike, Eiichiro Komatsu, Shintaro Koshida, Vincent Le Brun, Arnaud Le Fur, David Le Mignant, Romain Lhoussaine, Yen-Ting Lin, Hung-Hsu Ling, Craig Loomis, Robert Lupton, Fabrice Madec, Danilo Marchesini, Edouard Marguerite, Lucas Marrara, Dmitry Medvedev, Sogo Mineo, Satoshi Miyazaki, Takahiro Morishima, Kazumi Murata, Hitoshi Murayama, Graham Murray, Hirofumi Okita, Masato Onodera, Joshua Peebles, Paul Price, Tae-Soo Pyo, Lucio Ramos, Daniel Reiley, Martin Reinecke, Mitsuko Roberts, Josimar Rosa, Julien Rousselle, Mira Sarkis, Michael Seiffert, Kiaina Schubert, Hassan Siddiqui, Stephen Smee, Laerte Sodré, Michael Strauss, Christian Surace, Manuchehr Taghizadeh Popp, Philip Tait, Masahiro Takada, Yuhei Takagi, Masayuki Tanaka, Yoko Tanaka, Aniruddha Thakar, Didier Vibert, Shiang-Yu Wang, Chih-Yi Wen, Suzanne Werner, Matthew Wung, Gerald Lemson, Arik Mitschang, Naoki Yasuda, Hiroshige Yoshida, Chi-Hung Yan, Michitoshi Yoshida, Takuji Yamashita

Proceedings Volume 12184, 1218410 (2022) https://doi.org/10.1117/12.2628152

KEYWORDS: Telescopes, Cameras, Spectrographs, Optical fibers, Observatories, Sensors, Astronomy, Software development, Near infrared, Connectors

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Proceedings Article | 10 March 2021 Presentation + Paper

Prime Focus Spectrograph (PFS) for the Subaru telescope: a next-generation facility instrument of the Subaru telescope has started coming

Naoyuki Tamura, Naruhisa Takato, Yuki Moritani, Kiyoto Yabe, Yuki Ishizuka, Yukiko Kamata, Ali Allaoui, Stéphane Arnouts, Robert Barkhouser, Philippe Balard, Rudy Barette, Mohamed Belhadi, Jill Burnham, Neven Caplar, Michael Carr, Pierre-Yves Chabaud, Yin-Chang Chang, Hsin-Yo Chen, Richard Chou, You-Hua Chu, Judith Cohen, Ricardo Costa, Thibaut Crauchet, Rodrigo de Almeida, Antonio de Oliveira, Ligia de Oliveira, Kjetil Dohlen, Leandro dos Santos, Richard Ellis, Maximilian Fabricius, Décio Ferreira, Hisanori Furusawa, Javier Garcia-Carpio, Mirek Golebiowski, Aidan Gray, James Gunn, Albert Harding, Randolph Hammond, Murdock Hart, Timothy Heckman, Stephen Hope, Shu-Fu Hsu, Yen-Sang Hu, Pin-Jie Huang, Marc Jaquet, Eric Jeschke, Yipeng Jing, Erin Kado-Fong, Jennifer Karr, Satoshi Kawanomoto, Masahiko Kimura, Michitaro Koike, Eiichiro Komatsu, Shintaro Koshida, Vincent Le Brun, Olivier Le Fèvre, Arnaud Le Fur, David Le Mignant, Hung-Hsu Ling, Craig Loomis, Robert Lupton, Fabrice Madec, Danilo Marchesini, Edouard Marguerite, Lucas Marrara, Dmitry Medvedev, Sogo Mineo, Hitoshi Murayama, Graham Murray, Youichi Ohyama, Hirofumi Okita, Yuki Okura, Masato Onodera, Joseph Orndorff, Sandrine Pascal, Joshua Peebles, Lucio Ramos, Daniel Reiley, Martin Reinecke, Mitsuko Roberts, Josimar Rosa, Julien Rousselle, Mira Sarkis, Alain Schmitt, Michael Seiffert, Kiaina Schubert, Hassan Siddiqui, Stephen Smee, Laerte Sodré, Michael Strauss, Christian Surace, Manuchehr Taghizadeh-Popp, Philip Tait, Masahiro Takada, Satoshi Takita, Tomonori Tamura, Masayuki Tanaka, Yoko Tanaka, Aniruddha Thakar, Didier Vibert, Shiang-Yu Wang, Chih-Yi Wen, Suzanne Werner, Matthew Wung, Yoshihiko Yamada, Takuji Yamashita, Chi-Hung Yan, Naoki Yasuda, Hiroshige Yoshida, Michitoshi Yoshida

Proceedings Volume 11447, 1144713 (2021) https://doi.org/10.1117/12.2562206

KEYWORDS: Spectrographs, Telescopes, Cameras, Imaging systems, Multiplexing, Optical fibers, Hardware testing, Metrology, Observatories, Visible radiation

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Proceedings Article | 15 December 2020 Presentation

Prime Focus Spectrograph (PFS): Fiber assignment through min-cost/max-flow

Maximilian Fabricius, Ralf Bender, Javier Gracia-Carpio, Johannes Gross, Jim Gunn, Eiichiro Komatsu, Robert Lupton, Peter Mao, Martin Reinecke, Naoyuki Tamura, Robert Vanderbei, Shiang-Yu Wang, Kiyoto Yabe, Chi-Hung Yan

Proceedings Volume 11449, 114490P (2020) https://doi.org/10.1117/12.2560933

KEYWORDS: Spectrographs, Computer programming, Galaxy evolution, Detection and tracking algorithms, Calibration, Optical simulations, Astronomy

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Proceedings Article | 27 July 2018 Presentation + Paper

Prime Focus Spectrograph (PFS) for the Subaru telescope: ongoing integration and future plans

Naoyuki Tamura, Naruhisa Takato, Atsushi Shimono, Yuki Moritani, Kiyoto Yabe, Yuki Ishizuka, Yukiko Kamata, Akitoshi Ueda, Hrand Aghazarian, Stephané Arnouts, Robert Barkhouser, Philippe Balard, Rudy Barette, Mohamed Belhadi, Jill Burnham, Neven Caplar, Michael Carr, Pierre-Yves Chabaud, Yin-Chang Chang, Hsin-Yo Chen, Chueh-Yi Chou, You-Hua Chu, Judith Cohen, Rodorigo de Almeida, Antonio de Oliveira, Lígia de Oliveira, Richard Dekany, Kjetil Dohlen, Jesulino dos Santos, Leandro dos Santos, Richard Ellis, Maximilian Fabricius, Decio Ferreira, Hisanori Furusawa, Javier Garcia-Carpio, Mirek Golebiowski, Johannes Gross, James Gunn, Randolph Hammond, Albert Harding, Murdock Hart, Timothy Heckman, Paul Ho, Stephen Hope, David Hover, Shu-Fu Hsu, Yen-Shan Hu, Ping-Jie Huang, Sara Jamal, Marc Jaquet, Eric Jeschke, Yipeng Jing, Erin Kado-Fong, Jeniffer Karr, Masahiko Kimura, Matthew King, Michitaro Koike, Eiichiro Komatsu, Vincent Le Brun, Olivier Le Fèvre, Arnaud Le Fur, David Le Mignant, Hung-Hsu Ling, Craig Loomis, Robert Lupton, Fabrice Madec, Peter Mao, Danilo Marchesini, Lucas Marrara, Dmitry Medvedev, Sogo Mineo, Yosuke Minowa, Hitoshi Murayama, Graham Murray, Youichi Ohyama, Masato Onodera, Joseph Orndorff, Sandrine Pascal, Josh Peebles, Guillaume Pernot, Raphael Pourcelot, Daniel Reiley, Martin Reinecke, Mitsuko Roberts, Josimar Rosa, Julien Rousselle, Alain Schmitt, Mark Schwochert, Micheal Seiffert, Hassan Siddiqui, Stephen Smee, Laerte Sodré, Aaron Steinkraus, Michael Strauss, Christian Surace, Philip Tait, Masahiro Takada, Tomonori Tamura, Masayuki Tanaka, Yoko Tanaka, Aniruddha Thakar, Orlando Verducci, Didier Vibert, Shiang-Yu Wang, Zuo Wang, Chih-Yi Wen, Suzanne Werner, Yoshihiko Yamada, Chi-Hung Yan, Naoki Yasuda, Hiroshige Yoshida, Michitoshi Yoshida

Proceedings Volume 10702, 107021C (2018) https://doi.org/10.1117/12.2311871

KEYWORDS: Telescopes, Spectrographs, Optical fibers, Astronomy, Observatories, Cameras, Imaging systems, Astronomical telescopes, Physics, Prototyping

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