SDSS-V local volume mapper instrument: Overview and status

Nicholas P. Konidaris; Niv Drory; Cynthia S. Froning; Anthony Hebert; Pavan Bilgi; Guillermo A. Blanc; Alicia E. Lanz; Charles L. Hull; Juna A. Kollmeier; Solange Ramirez; Stefanie Wachter; Kathryn Kreckel; Soojong Pak; Eric Pellegrini; Andr'es Almeida; Scott Case; Ross Zhelem; Tobias Feger; Jon Lawrence; Michael Lesser; Tom Herbst; Jose Sanchez-Gallego; Matthew A. Bershady; Sabyasachi Chattopadhyay; Andrew Hauser; Michael Smith; Marsha J. Wolf; Renbin Yan

doi:10.1117/12.2557565

SDSS-V local volume mapper instrument: Overview and status

Nicholas P. Konidaris, Niv Drory, Cynthia S. Froning, Anthony Hebert, Pavan Bilgi, Guillermo A. Blanc, Alicia E. Lanz, Charles L. Hull, Juna A. Kollmeier, Solange Ramirez, Stefanie Wachter, Kathryn Kreckel, Soojong Pak, Eric Pellegrini, Andr'es Almeida, Scott Case, Ross Zhelem, Tobias Feger, Jon Lawrence, Michael LesserTom Herbst, Jose Sanchez-Gallego, Matthew A. Bershady, Sabyasachi Chattopadhyay, Andrew Hauser, Michael Smith, Marsha J. Wolf, Renbin Yan

Physics And Astronomy

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

10 Scopus citations

Abstract

The Sloan Digital Sky Survey V (SDSS-V) is an all-sky spectroscopic survey of >6 million objects, designed to decode the history of the Milky Way, reveal the inner workings of stars, investigate the origin of solar systems, and track the growth of supermassive black holes across the Universe. The Local Volume Mapper (LVM) is a facility designed to provide a contiguous 2,500 deg² integral-field survey over a 3.5 year period from Las Campanas Observatory in Chile. In this paper we provide an overview and status update for the LVM instrument (hereafter LVM-I). Each integral-field unit's spaxel probes linear scales that are sub-parsec (Milky Way) to ∼10 pc (Magellanic Clouds) which is accomplished with an angular diameter of 36.9". LVM's spectral resolution is R = λ/∆λ ∼ 4, 000 which probes velocities of 33 kms^-1 (1 σ) from 365 nm to 950 nm. LVM uses four 16-cm telescopes feeding three spectrographs. One telescope carries the bulk of the science load with ∼1,800 fibers coupled to the field via a pair of lenslet arrays, two telescopes are used to measure the night sky spectra in fields that flank the science field, and a fourth telescope contemporaneously monitors bright standard stars to determine atmospheric extinction. We expect LVM-I to deliver percent-level precision on important line ratios down to a few Rayleigh. The three spectrographs are being built by Winlight corporation in France based on those for the Dark Energy Spectroscopic Instrument (DESI). In this paper we present the high-level system design of LVM-I including the lenslet-coupled fiber IFUs, telescopes, guiding+acquisition system, calibration systems, enclosures, and spectrographs.

Original language	English
Title of host publication	Ground-Based and Airborne Instrumentation for Astronomy VIII
Editors	Christopher J. Evans, Julia J. Bryant, Kentaro Motohara
ISBN (Electronic)	9781510636811
DOIs	https://doi.org/10.1117/12.2557565
State	Published - 2020
Event	Ground-Based and Airborne Instrumentation for Astronomy VIII 2020 - Virtual, Online, United States Duration: Dec 14 2020 → Dec 22 2020

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	11447
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Conference

Conference	Ground-Based and Airborne Instrumentation for Astronomy VIII 2020
Country/Territory	United States
City	Virtual, Online
Period	12/14/20 → 12/22/20

Bibliographical note

Publisher Copyright:
© 2020 SPIE

Funding

Funding for the Sloan Digital Sky Survey V has been provided by the Alfred P. Sloan Foundation, the Heising-Simons Foundation, and the Participating Institutions. SDSS acknowledges support and resources from the Center for HighPerformance Computing at the University of Utah. The SDSS web site is www.sdss5.org. SDSS is managed by the Astrophysical Research Consortium for the Participating Institutions of the SDSS Collaboration, including the Carnegie Institution for Science, Chilean National Time Allocation Committee (CNTAC) ratified researchers, the Gotham Participation Group, Harvard University, The Johns Hopkins University, L'Ecole Polytechnique Fédérale de Lausanne (EPFL), Leibniz-Institut für Astrophysik Potsdam (AIP), Max-Planck-Institut für Astronomie (MPIA Heidelberg), Max-Planck-Institut für Extraterrestrische Physik (MPE), Nanjing University, National Astronomical Observatories of China (NAOC), New Mexico State University, The Ohio State University, Pennsylvania State University, Smithsonian Astrophysical Observatory, Space Telescope Science Institute (STScI), the Stellar Astrophysics Participation Group, Universidad Nacional Autónoma de México, University of Arizona, University of Colorado Boulder, University of Illinois at Urbana-Champaign, University of Toronto, University of Utah, University of Virginia, and Yale University. Funding for the Sloan Digital Sky Survey V has been provided by the Alfred P. Sloan Foundation, the Heising-Simons Foundation, and the Participating Institutions. SDSS acknowledges support and resources from the Center for HighPerformance Computing at the University of Utah. The SDSS web site is www.sdss5.org.

Funders	Funder number
Chilean National Time Allocation Committee
MPIA Heidelberg
Max-Planck-Institut für extraterrestrische Physik (MPE)
Universidad Nacional Autónoma de México, University of Arizona
Alfred P Sloan Foundation
Yale University
Carnegie Institution of Washington
American Institute of Physics
Ohio State University
Harvard University
University of Colorado Boulder
University of Utah Health
The Johns Hopkins University
The Pennsylvania State University
University of Virginia
New Mexico State University
Space Telescope Science Institute
Heising-Simons Foundation
École Polytechnique Fédérale de Lausanne
Nanjing University of Finance of Economics
Leibniz-Institut für Astrophysik Potsdam
National Astronomical Observatories, Chinese Academy of Sciences
Max-Planck-Institut für Astronomie

Keywords

Instrumentation: integral field
Instrumentation: spectrographs
Techniques: spectroscopic

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.2557565

Cite this

Konidaris, N. P., Drory, N., Froning, C. S., Hebert, A., Bilgi, P., Blanc, G. A., Lanz, A. E., Hull, C. L., Kollmeier, J. A., Ramirez, S., Wachter, S., Kreckel, K., Pak, S., Pellegrini, E., Almeida, A., Case, S., Zhelem, R., Feger, T., Lawrence, J., ... Yan, R. (2020). SDSS-V local volume mapper instrument: Overview and status. In C. J. Evans, J. J. Bryant, & K. Motohara (Eds.), Ground-Based and Airborne Instrumentation for Astronomy VIII Article 1144718 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 11447). https://doi.org/10.1117/12.2557565

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title = "SDSS-V local volume mapper instrument: Overview and status",

abstract = "The Sloan Digital Sky Survey V (SDSS-V) is an all-sky spectroscopic survey of >6 million objects, designed to decode the history of the Milky Way, reveal the inner workings of stars, investigate the origin of solar systems, and track the growth of supermassive black holes across the Universe. The Local Volume Mapper (LVM) is a facility designed to provide a contiguous 2,500 deg2 integral-field survey over a 3.5 year period from Las Campanas Observatory in Chile. In this paper we provide an overview and status update for the LVM instrument (hereafter LVM-I). Each integral-field unit's spaxel probes linear scales that are sub-parsec (Milky Way) to ∼10 pc (Magellanic Clouds) which is accomplished with an angular diameter of 36.9{"}. LVM's spectral resolution is R = λ/∆λ ∼ 4, 000 which probes velocities of 33 kms-1 (1 σ) from 365 nm to 950 nm. LVM uses four 16-cm telescopes feeding three spectrographs. One telescope carries the bulk of the science load with ∼1,800 fibers coupled to the field via a pair of lenslet arrays, two telescopes are used to measure the night sky spectra in fields that flank the science field, and a fourth telescope contemporaneously monitors bright standard stars to determine atmospheric extinction. We expect LVM-I to deliver percent-level precision on important line ratios down to a few Rayleigh. The three spectrographs are being built by Winlight corporation in France based on those for the Dark Energy Spectroscopic Instrument (DESI). In this paper we present the high-level system design of LVM-I including the lenslet-coupled fiber IFUs, telescopes, guiding+acquisition system, calibration systems, enclosures, and spectrographs.",

keywords = "Instrumentation: integral field, Instrumentation: spectrographs, Techniques: spectroscopic",

author = "Konidaris, {Nicholas P.} and Niv Drory and Froning, {Cynthia S.} and Anthony Hebert and Pavan Bilgi and Blanc, {Guillermo A.} and Lanz, {Alicia E.} and Hull, {Charles L.} and Kollmeier, {Juna A.} and Solange Ramirez and Stefanie Wachter and Kathryn Kreckel and Soojong Pak and Eric Pellegrini and Andr'es Almeida and Scott Case and Ross Zhelem and Tobias Feger and Jon Lawrence and Michael Lesser and Tom Herbst and Jose Sanchez-Gallego and Bershady, {Matthew A.} and Sabyasachi Chattopadhyay and Andrew Hauser and Michael Smith and Wolf, {Marsha J.} and Renbin Yan",

note = "Publisher Copyright: {\textcopyright} 2020 SPIE; Ground-Based and Airborne Instrumentation for Astronomy VIII 2020 ; Conference date: 14-12-2020 Through 22-12-2020",

year = "2020",

doi = "10.1117/12.2557565",

language = "English",

series = "Proceedings of SPIE - The International Society for Optical Engineering",

editor = "Evans, {Christopher J.} and Bryant, {Julia J.} and Kentaro Motohara",

booktitle = "Ground-Based and Airborne Instrumentation for Astronomy VIII",

}

Konidaris, NP, Drory, N, Froning, CS, Hebert, A, Bilgi, P, Blanc, GA, Lanz, AE, Hull, CL, Kollmeier, JA, Ramirez, S, Wachter, S, Kreckel, K, Pak, S, Pellegrini, E, Almeida, A, Case, S, Zhelem, R, Feger, T, Lawrence, J, Lesser, M, Herbst, T, Sanchez-Gallego, J, Bershady, MA, Chattopadhyay, S, Hauser, A, Smith, M, Wolf, MJ & Yan, R 2020, SDSS-V local volume mapper instrument: Overview and status. in CJ Evans, JJ Bryant & K Motohara (eds), Ground-Based and Airborne Instrumentation for Astronomy VIII., 1144718, Proceedings of SPIE - The International Society for Optical Engineering, vol. 11447, Ground-Based and Airborne Instrumentation for Astronomy VIII 2020, Virtual, Online, United States, 12/14/20. https://doi.org/10.1117/12.2557565

SDSS-V local volume mapper instrument: Overview and status. / Konidaris, Nicholas P.; Drory, Niv; Froning, Cynthia S. et al.
Ground-Based and Airborne Instrumentation for Astronomy VIII. ed. / Christopher J. Evans; Julia J. Bryant; Kentaro Motohara. 2020. 1144718 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 11447).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - The Sloan Digital Sky Survey V (SDSS-V) is an all-sky spectroscopic survey of >6 million objects, designed to decode the history of the Milky Way, reveal the inner workings of stars, investigate the origin of solar systems, and track the growth of supermassive black holes across the Universe. The Local Volume Mapper (LVM) is a facility designed to provide a contiguous 2,500 deg2 integral-field survey over a 3.5 year period from Las Campanas Observatory in Chile. In this paper we provide an overview and status update for the LVM instrument (hereafter LVM-I). Each integral-field unit's spaxel probes linear scales that are sub-parsec (Milky Way) to ∼10 pc (Magellanic Clouds) which is accomplished with an angular diameter of 36.9". LVM's spectral resolution is R = λ/∆λ ∼ 4, 000 which probes velocities of 33 kms-1 (1 σ) from 365 nm to 950 nm. LVM uses four 16-cm telescopes feeding three spectrographs. One telescope carries the bulk of the science load with ∼1,800 fibers coupled to the field via a pair of lenslet arrays, two telescopes are used to measure the night sky spectra in fields that flank the science field, and a fourth telescope contemporaneously monitors bright standard stars to determine atmospheric extinction. We expect LVM-I to deliver percent-level precision on important line ratios down to a few Rayleigh. The three spectrographs are being built by Winlight corporation in France based on those for the Dark Energy Spectroscopic Instrument (DESI). In this paper we present the high-level system design of LVM-I including the lenslet-coupled fiber IFUs, telescopes, guiding+acquisition system, calibration systems, enclosures, and spectrographs.

KW - Instrumentation: integral field

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ER -

SDSS-V local volume mapper instrument: Overview and status

Abstract

Publication series

Conference

Bibliographical note

Funding

Keywords

ASJC Scopus subject areas

Access to Document

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