Prof. Renbin Yan Profile

Prof. Renbin Yan

Associate Professor at The Chinese Univ. of Hong Kong

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Publications (4)

Proceedings Article | 18 July 2024 Poster + Paper

Design and status update of the AMASE-P project

Renbin Yan, Matthew Bershady, Sabyasachi Chattopadhyay, Yiuhung Cheung, Chit-Ho Hui, Man-Yin Leo Lee, Zhiheng Lin, Michael Smith, Egan Loubser, Kevin Bundy, Horace Tsz-Hong Hung, Xihan Ji, Yeeching Lam, Zesen Lin, Yiwei Liu, Yutong Qiao, Marsha Wolf, Kyle Westfall, Ricky Wai-Kiu Wong, Jichen Zhang, Ruoyu Zhou

Proceedings Volume 13096, 130967S (2024) https://doi.org/10.1117/12.3018127

KEYWORDS: Design, Spectrographs, Telescopes, Near field, Spectral resolution, Sensors, Equipment, Signal to noise ratio, Vignetting, Spectroscopy

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Proceedings Article | 13 December 2020 Presentation + Paper

SDSS-V local volume mapper instrument: overview and status

Nicholas Konidaris, Niv Drory, Cynthia Froning, Anthony Hebert, Pavan Bilgi, Guillermo Blanc, Alicia Lanz, Charles Hull, Juna Kollmeier, Solange Ramirez, Stefanie Wachter, Kathryn Kreckel, Soojong Pak, Eric Pellegrini, Andrés Almeida, Scott Case, Ross Zhelem, Tobas Feger, Jon Lawrence, Michael Lesser, Tom Herbst, José Sanchez-Gallego, Matthew Bershady, Sabyasachi Chattopadhyay, Andrew Hauser, Michael Smith, Marsha Wolf, Renbin Yan

Proceedings Volume 11447, 1144718 (2020) https://doi.org/10.1117/12.2557565

KEYWORDS: Telescopes, Spectrographs, Spectroscopes, Stars, Solar system, Lanthanum, Observatories, Clouds, Spectral resolution, Atmospheric sciences

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Proceedings Article | 13 December 2020 Poster + Presentation + Paper

The prototype telescope and spectrograph system for the AMASE project

Renbin Yan, Matthew Bershady, Michael Smith, Nicholas MacDonald, Dmitry Bizyaev, Kevin Bundy, Sabaysachi Chattopadhyay, James Gunn, Kyle Westfall, Marsha Wolf

Proceedings Volume 11447, 114478Y (2020) https://doi.org/10.1117/12.2563195

KEYWORDS: Spectrographs, Prototyping, Telescopes, Optical instrument design, Spectroscopy, Lenses, Field spectroscopy, Spatial resolution, Spectral resolution, CMOS sensors

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Proceedings Article | 13 December 2020 Presentation + Paper

The Keck-FOBOS spectroscopic facility: conceptual design

Kevin Bundy, Kyle Westfall, Nick MacDonald, Renate Kupke, Claire Poppett, Timothy Miller, Jon Lawrence, Celestina Saavedra Lacombea, Renbin Yan, Michael Goodwin, Marc Kassis, John O'Meara, Daniel Masters, Joseph Burchett, Benjamin Williams, Robert Rich, V. Villar, Nathan Sandford, Yuan-Sen Ting, Phil Hinz, Chad Schafer, Rachel Mandelbaum, Marina Huang, J. Prochaska, Puragra Guhathakurta

Proceedings Volume 11447, 114471D (2020) https://doi.org/10.1117/12.2562914

KEYWORDS: Imaging spectroscopy, Spectrographs, Spectroscopy, Panoramic photography, Large Synoptic Survey Telescope, Telescopes, Excel, Cameras

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The Fiber Optic Broad-band Optical Spectrometer (FOBOS) is a high-priority spectroscopic facility concept for the W. M. Keck Observatory. Here, we provide an update on the FOBOS conceptual design. FOBOS will deploy 1800 fibers across the 20-arcminute field-of-view of the Keck II Telescope. Starbugs fiber positioners will be used to deploy individual fibers as well as fiber-bundle arrays (integral field units, IFUs). Different combinations of active single fibers or IFUs can be selected to carry light to one of three mounted spectrographs, each with a 600-fiber pseudoslit. Each spectrograph has four wavelength channels, enabling end-to-end instrument sensitivity greater than 30% from 0.31-1.0 µm at a spectral resolution of R ~ 3500. With its high fiber density on a large telescope and modest field-of-view, FOBOS is optimized to obtain deep spectroscopy for large samples. In single- fiber mode, it will deliver premier spectroscopic reference sets for maximizing the information (e.g., photometric redshifts) that can be extracted from panoramic imaging surveys obtained from the forthcoming Rubin and Roman Observatories. Its IFUs will map emission from the circumgalactic interface between forming galaxies and the intergalactic medium at z ~ 2–3, and lay the path for multiplexed resolved spectroscopy of high-z galaxies aided by ground-layer and multi-object adaptive optics. In the nearby universe, its high sampling density and combination of single-fiber and IFU modes will revolutionize our understanding of the M31 disk and bulge via stellar populations and kinematics. Finally, with a robust and intelligent target and program allocation system, FOBOS will be a premier facility for follow-up of rare, faint, and transient sources that can be interleaved into its suite of observing programs. With a commitment to delivering science-ready data products, FOBOS will enable unique and powerful combinations of focused, PI-led programs and community-driven observing campaigns that promise major advances in cosmology, galaxy formation, time-domain astronomy, and stellar evolution.

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