Mr. Tae-Geun Ji Profile

Tae-Geun Ji

at Kyung Hee University

SPIE Involvement:

Author

Publications (18)

SPIE Journal Paper | 5 August 2024

Telescope control software and proto-model siderostat for the SDSS-V Local Volume Mapper

Hojae Ahn, Florian Briegel, Jimin Han, Mingyu Jeon, Thomas Herbst, Sumin Lee, Woojin Park, Sunwoo Lee, Inhwan Jung, Tae-Geun Ji, Changgon Kim, Geon Hee Kim, Wolfgang Gaessler, Markus Kuhlberg, Hyun Chul Park, Soojong Pak, Nicholas Konidaris, Niv Drory, José Sánchez-Gallego, Cynthia Froning, Solange Ramirez, Juna Kollmeier

JATIS, Vol. 10, Issue 03, 037001, (August 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.3.037001

KEYWORDS: Telescopes, Stars, Control software, Equipment, Cameras, Mirrors, Software development, Lightweight mirrors, Mirror surfaces, Device simulation

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SPIE Journal Paper | 4 January 2024

Maunakea Spectroscopic Explorer exposure time calculator for end-to-end simulator: to optimizing spectrograph design and observing simulation

Tae-Geun Ji, Jennifer Sobeck, Changgon Kim, Hojae Ahn, Mingyeong Yang, Taeeun Kim, Sungwook E. Hong, Kei Szeto, Jennifer L. Marshall, Christian Surace, Soojong Pak

JATIS, Vol. 10, Issue 01, 018001, (January 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.1.018001

KEYWORDS: Equipment, Spectroscopy, Spectral resolution, Spectrographs, Lawrencium, Telescopes, Design, Software development, Near infrared, Device simulation

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SPIE Journal Paper | 6 September 2023

Automatic spectrograph control software for SDSS-V Local Volume Mapper

Changgon Kim, José Sánchez-Gallego, Pavan Bilgi, Mingyeong Yang, Florian Briegel, Tae-Geun Ji, Nicholas P. Konidaris, Taeeun Kim, Hojae Ahn, Mingyu Jeon, Hyun Chul Park, Hye-In Lee, Cynthia S. Froning, Solange Ramirez, Niv Drory, Juna A. Kollmeier, Soojong Pak

JATIS, Vol. 9, Issue 03, 037002, (September 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.3.037002

KEYWORDS: Spectrographs, Control software, Software development, Charge-coupled devices, Camera shutters, Design and modelling, Control systems, Computer architecture, Data acquisition, Switches

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Proceedings Article | 29 August 2022 Poster + Paper

Poster + Paper

LVMECP: SDSS-V Local Volume Mapper Enclosure Control Package

Mingyeong Yang, Felipe Besser, José Sánchez-Gallego, Gyoik Kim, Changgon Kim, Hojae Ahn, Tae-Geun Ji, Nicholas P. Konidaris, Guillermo A. Blanc, Erika Cook, Cynthia S. Froning, Solange Ramirez, Niv Drory, Juna A. Kollmeier

Proceedings Volume 12189, 121892D (2022) https://doi.org/10.1117/12.2627651

KEYWORDS: Control systems, Telecommunications, Telescopes, Domes, Logic, Software development, Observatories, Computer programming

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Proceedings Article | 29 August 2022 Poster + Presentation + Paper

Poster + Presentation + Paper

Development of the spectrograph control software package for SDSS-Ⅴ Local Volume Mapper Instrument

Changgon Kim, José Sanchez-Gallego, Pavan Bilgi, Mingyeong Yang, Florian Briegel, Tae-Geun Ji, Nicholas P. Konidaris, Taeeun Kim, Hojae Ahn, Mingyu Jeon, Hyun Chul Park, Hye-In Lee, Cynthia S. Froning, Solange Ramirez, Niv Drory, Juna A. Kollmeier, Soojong Pak

Proceedings Volume 12189, 121890Z (2022) https://doi.org/10.1117/12.2627584

KEYWORDS: Spectrographs, Software development, Charge-coupled devices, Astronomy, Control systems, Camera shutters, Transducers, Galactic astronomy, Data acquisition, Computer architecture

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Proceedings Article | 29 August 2022 Poster + Paper

Poster + Paper

An exposure time calculator for the Maunakea Spectroscopic Explorer

Tae-Geun Ji, Taeeun Kim, Changgon Kim, Hojae Ahn, Mingyeong Yang, Soojong Pak, Sungwook E. Hong, Jennifer E. Sobeck, Kei Szeto, Jennifer L. Marshall, Christian Surace

Proceedings Volume 12189, 121892N (2022) https://doi.org/10.1117/12.2629101

KEYWORDS: Spectral resolution, Signal to noise ratio, Spectroscopy, Optical fibers, Spectrographs, Data modeling, Telescopes, Software development, Lawrencium, Astronomy

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Proceedings Article | 29 August 2022 Poster + Paper

Poster + Paper

LVMAGP: SDSS-V local volume mapper acquisition and guiding package

Hojae Ahn, Florian Briegel, Mingyu Jeon, Tom Herbst, Sumin Lee, Inhwan Jung, Changgon Kim, Jimin Han, Geon Hee Kim, Wolfgang Gaessler, Markus Kuhlberg, Tae-Geun Ji, Hyun Chul Park, Soojong Pak, Nicholas P. Konidaris, Niv Drory, José Sanchez-Gallego, Cynthia S. Froning, Solange Ramirez, Juna A. Kollmeier

Proceedings Volume 12189, 121892E (2022) https://doi.org/10.1117/12.2628000

KEYWORDS: Telescopes, Cameras, Mirrors, Device simulation, Control systems, Astronomy, Computer programming, Target acquisition, Sensors

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Proceedings Article | 14 December 2020 Poster + Paper

Poster + Paper

Development of SQUEAN software system (SED camera for the QUasars in EArly uNiverse)

Hye-In Lee, Tae-Geun Ji, Soojong Pak, Won-Kee Park, Myungshin Im

Proceedings Volume 11452, 1145227 (2020) https://doi.org/10.1117/12.2561200

KEYWORDS: Software development, Surface conduction electron emitter displays, Cameras, Imaging systems, Telescopes, Process control, Observatories, Optical filters, Gamma radiation, Active galactic nuclei

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Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

Camera articulation prototype of the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)

Tae-Geun Ji, Erika Cook, Soojong Pak, Evan Kelly, Leonardo Bush, Leonardo Barba, Jeffrey Mason, Hye-In Lee, Darren DePoy, Jennifer Marshall, Nat Butler, Daniel Faes, Cynthia Froning, Johnathan Gamaunt, Damien Jones, Philip Mauskopf, Claudia Mendes de Oliveira, Casey Papovich, Travis Prochaska, Rafael A. Ribeiro, Luke Schmidt, Paul Scowen, Aline Souza, Keith Taylor, Antonio Braulio Neto, Priscila Pires

Proceedings Volume 11452, 1145224 (2020) https://doi.org/10.1117/12.2561237

KEYWORDS: Cameras, Prototyping, Astronomical imaging, Astronomical telescopes, Telescopes, Spectrographs, Astronomy, Control systems, Optical design, Computer programming

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Proceedings Article | 3 January 2020 Paper

Paper

Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS): conceptual design

Soojong Pak, Darren DePoy, Jennifer Marshall, Luke Schmidt, Casey Papovich, Cynthia Froning, D. Faes, Claudia Mendes de Oliveira, A. Souza, Rafael Ribeiro, Keith Taylor, Damien Jones, Travis Prochaska, Erika Cook, Hye-In Lee, Tae-Geun Ji, Paul Scowen

Proceedings Volume 11203, 1120308 (2020) https://doi.org/10.1117/12.2547889

KEYWORDS: James Webb Space Telescope, Large Synoptic Survey Telescope, Optical spectroscopy, Large telescopes, Optical resolution, Telescopes, Spectrographs, Astronomical telescopes, Astronomical imaging, Astronomy

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Proceedings Article | 13 July 2018 Paper

Paper

Electronics prototypes for the Giant Magellan telescope multi-object astronomical and cosmological spectrograph (GMACS)

Erika Cook, Travis Prochaska, Hye-In Lee, Tae-Geun Ji, Soojong Pak, D. DePoy, J. Marshall, Luke Schmidt, Daniel Faes, Cynthia Froning, Damien Jones, Claudia Mendes de Oliveira, Casey Papovich, Rafael A. Ribeiro, Aline Souza, Keith Taylor

Proceedings Volume 10702, 107029Z (2018) https://doi.org/10.1117/12.2313921

KEYWORDS: Prototyping, Sensors, Fluorescence correlation spectroscopy, Cameras, Telescopes, Actuators, Astronomical imaging, Electronics, Astronomy, Spectrographs

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Proceedings Article | 12 July 2018 Paper

Paper

The optical design for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)

Rafael A.S. Ribeiro, Luke Schmidt, Damien Jones, Keith Taylor, Travis Prochaska, Erika Cook, Darren DePoy, Daniel Faes, Cynthia Froning, Tae-Geun Ji, Hye-In Lee, Jennifer Marshall, Claudia Mendes de Oliveira, Soojong Pak, Casey Papovich, Aline Souza

Proceedings Volume 10702, 107029B (2018) https://doi.org/10.1117/12.2312814

KEYWORDS: Cameras, Collimators, Spectrographs, Sensors, Telescopes, Optical design, Mirrors, Astronomical imaging, Astronomy, Spectral resolution

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Proceedings Article | 10 July 2018 Paper

Paper

Systems engineering applied to ELT instrumentation: the GMACS case

D. Faes, A. Souza, C. Froning, L. Schmidt, D. Bortoletto, E. Cook, D. DePoy, T.-G. Ji, D. Jones, H.-I. Lee, J. Marshall, C. Oliveira, S. Pak, C. Papovich, T. Prochaska, R. Ribeiro, K. Taylor

Proceedings Volume 10705, 107051A (2018) https://doi.org/10.1117/12.2311352

KEYWORDS: Telescopes, Systems engineering, Spectrographs, Interfaces, Observatories, Astronomy, Astronomical imaging, Space telescopes, Adaptive optics

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Proceedings Article | 8 July 2018 Paper

Paper

The optomechanical design of the Giant Magellan telescope multi-object astronomical and cosmological spectrograph (GMACS)

Travis Prochaska, Caron Albert, James Beck, Erika Cook, D. DePoy, Daniel Faes, Cynthia Froning, Walter Grant, Isaac Gutierrez, Tae-Geun Ji, Damien Jones, Hye-In Lee, Jennifer Marshall, Claudia Mendes de Oliveira, Soojong Pak, Casey Papovich, Rafael Ribeiro, Marcus Sauseda, Luke Schmidt, Aline Souza, Keith Taylor, Darius Williams

Proceedings Volume 10702, 107029Y (2018) https://doi.org/10.1117/12.2313829

KEYWORDS: Cameras, Telescopes, Spectrographs, Astronomical imaging, Actuators, Sensors, Astronomy, Collimators, Astronomical telescopes, Space telescopes

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Proceedings Article | 6 July 2018 Presentation + Paper

Presentation + Paper

GMACS: a wide-field, moderate-resolution spectrograph for the Giant Magellan Telescope

D. DePoy, Luke Schmidt, Rafael Ribeiro, Keith Taylor, Damien Jones, Travis Prochaska, Jennifer Marshall, Erika Cook, Cynthia Froning, Tae-Geun Ji, Hye-In Lee, D. Faes, A. Souza, D. Bortoletto, Claudia Mendes de Oliveira, Soojong Pak, Casey Papovich

Proceedings Volume 10702, 107021X (2018) https://doi.org/10.1117/12.2313940

KEYWORDS: Spectrographs, Telescopes, Space telescopes, Optical fibers, Astronomy, Astronomical telescopes, Astronomical imaging, Optical design, Physics, Optical resolution

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Proceedings Article | 5 June 2018 Paper

Paper

Optical design for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS): design methodology, issues, and trade-offs

Rafael A.S. Ribeiro, Damein Jones, Luke Schmidt, Keith Taylor, Erika Cook, Darren DePoy, Daniel Faes, Cynthia Froning, Tae-Geun Ji, Hye-In Lee, Jennifer Marshall, Claudia Mendes de Oliveira, Soojong Pak, Casey Papovich, Travis Prochaska, Aline Souza

Proceedings Volume 10690, 106902S (2018) https://doi.org/10.1117/12.2313528

KEYWORDS: Collimators, Cameras, Spectrographs, Glasses, Telescopes, Optical design, Spectral resolution

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Proceedings Article | 9 August 2016 Paper

Paper

Optical design concept for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)

Luke Schmidt, Rafael Ribeiro, Keith Taylor, Damien Jones, Travis Prochaska, Darren DePoy, Jennifer Marshall, Erika Cook, Cynthia Froning, Tae-Geun Ji, Hye-In Lee, Claudia Mendes de Oliveira, Soojong Pak, Casey Papovich

Proceedings Volume 9908, 9908A4 (2016) https://doi.org/10.1117/12.2233543

KEYWORDS: Optical design, Telescopes, Spectrographs, Optical design, Telescopes, Sensors, Cameras, Glasses, Collimators, Imaging systems, CCD image sensors, Space telescopes

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Proceedings Article | 9 August 2016 Paper

Paper

Optomechanical design concept for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)

Travis Prochaska, Marcus Sauseda, James Beck, Luke Schmidt, Erika Cook, Darren DePoy, Jennifer Marshall, Rafael Ribeiro, Keith Taylor, Damien Jones, Cynthia Froning, Soojong Pak, Claudia Mendes de Oliveira, Casey Papovich, Tae-Geun Ji, Hye-In Lee

Proceedings Volume 9908, 9908A3 (2016) https://doi.org/10.1117/12.2233530

KEYWORDS: Astronomical imaging, Spectrographs, Telescopes, Astronomy, Cameras, Space telescopes, Actuators, Optical filters, CCD cameras, Imaging systems

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Showing 5 of 18 publications

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