SOAR/Goodman Spectroscopic Assessment of Candidate Counterparts of the LIGO/Virgo Event GW190814

D. L. Tucker; R. Nichol; M. P. Wiesner; S. S. Allam; M. Soares-Santos; C. R. Bom; M. Butner; A. Garcia; R. Morgan; F. Olivares E.; A. Palmese; L. Santana-Silva; A. Shrivastava; J. Annis; J. García-Bellido; M. S. S. Gill; K. Herner; C. D. Kilpatrick; M. Makler; N. Sherman; A. Amara; H. Lin; M. Smith; E. Swann; I. Arcavi; T. G. Bachmann; K. Bechtol; F. Berlfein; C. Briceño; D. Brout; R. E. Butler; R. Cartier; J. Casares; H.-Y. Chen; C. Conselice; C. Contreras; E. Cook; J. Cooke; K. Dage; C. D’Andrea; T. M. Davis; R. de Carvalho; H. T. Diehl; J. P. Dietrich; Z. Doctor; A. Drlica-Wagner; M. Drout; B. Farr; D. A. Finley; M. Fishbach; R. J. Foley; F. Förster-Burón; P. Fosalba; D. Friedel; J. Frieman; C. Frohmaier; R. A. Gruendl; W. G. Hartley; D. Hiramatsu; D. E. Holz; D. A. Howell; A. Kawash; R. Kessler; N. Kuropatkin; O. Lahav; A. Lundgren; M. Lundquist; U. Malik; A. W. Mann; J. Marriner; J. L. Marshall; C. E. Martínez-Vázquez; C. McCully; F. Menanteau; N. Meza; G. Narayan; E. Neilsen; C. Nicolaou; F. Paz-Chinchón; M. E. S. Pereira; J. Pineda; S. Points; J. Quirola-Vásquez; S. Rembold; A. Rest; Ó. Rodriguez; A. K. Romer; M. Sako; S. Salim; D. Scolnic; J. A. Smith; J. Strader; M. Sullivan; M. E. C. Swanson; D. Thomas; S. Valenti; T. N. Varga; A. R. Walker; J. Weller; M. L. Wood; B. Yanny; A. Zenteno; M. Aguena; F. Andrade-Oliveira; E. Bertin; D. Brooks; D. L. Burke; A. Carnero Rosell; M. Carrasco Kind; J. Carretero; M. Costanzi; L. N. da Costa; J. De Vicente; S. Desai; S. Everett; I. Ferrero; B. Flaugher; E. Gaztanaga; D. W. Gerdes; D. Gruen; J. Gschwend; G. Gutierrez; S. R. Hinton; D. L. Hollowood; K. Honscheid; D. J. James; K. Kuehn; M. Lima; M. A. G. Maia; R. Miquel; R. L. C. Ogando; A. Pieres; A. A. Plazas Malagón; M. Rodriguez-Monroy; E. Sanchez; V. Scarpine; M. Schubnell; S. Serrano; I. Sevilla-Noarbe; E. Suchyta; G. Tarle; C. To; Y. Zhang

doi:10.3847/1538-4357/ac5b60

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SOAR/Goodman Spectroscopic Assessment of Candidate Counterparts of the LIGO/Virgo Event GW190814

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SOAR/Goodman Spectroscopic Assessment of Candidate Counterparts of the LIGO/Virgo Event GW190814

D. L. Tucker, R. Nichol, M. P. Wiesner, S. S. Allam, M. Soares-Santos, C. R. Bom, M. Butner, A. Garcia, R. Morgan, F. Olivares E., …

The Astrophysical journal, Vol.929(2)

19/04/2022

DOI: https://doi.org/10.3847/1538-4357/ac5b60

Abstract

Black holes

Gravitational waves

Neutron stars

Spectroscopy

On 2019 August 14 at 21:10:39 UTC, the LIGO/Virgo Collaboration (LVC) detected a possible neutron star–black hole merger (NSBH), the first ever identified. An extensive search for an optical counterpart of this event, designated GW190814, was undertaken using the Dark Energy Camera on the 4 m Victor M. Blanco Telescope at the Cerro Tololo Inter-American Observatory. Target of Opportunity interrupts were issued on eight separate nights to observe 11 candidates using the 4.1 m Southern Astrophysical Research (SOAR) telescope's Goodman High Throughput Spectrograph in order to assess whether any of these transients was likely to be an optical counterpart of the possible NSBH merger. Here, we describe the process of observing with SOAR, the analysis of our spectra, our spectroscopic typing methodology, and our resultant conclusion that none of the candidates corresponded to the gravitational wave merger event but were all instead other transients. Finally, we describe the lessons learned from this effort. Application of these lessons will be critical for a successful community spectroscopic follow-up program for LVC observing run 4 (O4) and beyond.

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Title: SOAR/Goodman Spectroscopic Assessment of Candidate Counterparts of the LIGO/Virgo Event GW190814
Creators: D. L. Tucker - Fermi National Accelerator Laboratory
R. Nichol - University of Portsmouth
M. P. Wiesner - Benedictine University
S. S. Allam - Fermi National Accelerator Laboratory
M. Soares-Santos - University of Michigan–Ann Arbor
C. R. Bom - Centro Brasileiro de Pesquisas Físicas
M. Butner - East Tennessee State University
A. Garcia - University of Michigan–Ann Arbor
R. Morgan - University of Wisconsin–Madison
F. Olivares E. - Universidad de Atacama Instituto de Astronomía y Ciencias Planetarias, Copayapu 485, Copiapó, Chile
A. Palmese - Fermi National Accelerator Laboratory
L. Santana-Silva - Universidade Cruzeiro do Sul
A. Shrivastava - University of Michigan–Ann Arbor
J. Annis - Fermi National Accelerator Laboratory
J. García-Bellido - Autonomous University of Madrid
M. S. S. Gill - SLAC National Accelerator Laboratory
K. Herner - Fermi National Accelerator Laboratory
C. D. Kilpatrick - Northwestern University
M. Makler - Centro Brasileiro de Pesquisas Físicas
N. Sherman - University of Michigan–Ann Arbor
A. Amara - University of Portsmouth
H. Lin - Fermi National Accelerator Laboratory
M. Smith - University of Southampton
E. Swann - University of Southampton
I. Arcavi - Tel Aviv University
T. G. Bachmann - University of Chicago
K. Bechtol - University of Wisconsin–Madison
F. Berlfein - Brandeis University
C. Briceño - NSF’s NOIRLab
D. Brout - University of Pennsylvania
R. E. Butler - Indiana University Bloomington
R. Cartier - NSF’s NOIRLab
J. Casares - Instituto de Astrofísica de Canarias
H.-Y. Chen - Massachusetts Institute of Technology
C. Conselice - University of Nottingham
C. Contreras - Space Telescope Science Institute
E. Cook - Mitchell Institute
J. Cooke - Swinburne University of Technology
K. Dage - McGill University
C. D’Andrea - University of Pennsylvania
T. M. Davis - University of Queensland
R. de Carvalho - Universidade Cruzeiro do Sul
H. T. Diehl - Fermi National Accelerator Laboratory
J. P. Dietrich - Ludwig-Maximilians-Universität München
Z. Doctor - University of Chicago
A. Drlica-Wagner - Fermi National Accelerator Laboratory
M. Drout - University of Toronto
B. Farr - University of Oregon
D. A. Finley - Fermi National Accelerator Laboratory
M. Fishbach - University of Chicago
R. J. Foley - University of California, Santa Cruz
F. Förster-Burón - Universidad Central de Chile
P. Fosalba - Institut d'Estudis Espacials de Catalunya
D. Friedel - National Center for Supercomputing Applications
J. Frieman - University of Chicago
C. Frohmaier - University of Portsmouth
R. A. Gruendl - University of Illinois Urbana-Champaign
W. G. Hartley - University of Geneva
D. Hiramatsu - Las Cumbres Observatory Global Telescope Network
D. E. Holz - University of Chicago
D. A. Howell - University of California, Santa Barbara
A. Kawash - Michigan State University
R. Kessler - University of Chicago
N. Kuropatkin - Fermi National Accelerator Laboratory
O. Lahav - University College London
A. Lundgren - University of Portsmouth
M. Lundquist - University of Arizona
U. Malik - Australian National University
A. W. Mann - University of North Carolina at Chapel Hill
J. Marriner - Fermi National Accelerator Laboratory
J. L. Marshall - Mitchell Institute
C. E. Martínez-Vázquez - NSF’s NOIRLab
C. McCully - Las Cumbres Observatory Global Telescope Network
F. Menanteau - National Center for Supercomputing Applications
N. Meza - University of California, Davis
G. Narayan - University of Illinois Urbana-Champaign
E. Neilsen - Fermi National Accelerator Laboratory
C. Nicolaou - University College London
F. Paz-Chinchón - University of Cambridge
M. E. S. Pereira - Universität Hamburg
J. Pineda - Millennium Institute of Astrophysics
S. Points - NSF’s NOIRLab
J. Quirola-Vásquez - Pontificia Universidad Católica de Chile
S. Rembold - Universidade Federal de Santa Maria
A. Rest - Johns Hopkins University
Ó. Rodriguez - Universidad Andrés Bello
A. K. Romer - University of Sussex
M. Sako - University of Pennsylvania
S. Salim - Indiana University Bloomington
D. Scolnic - Duke University
J. A. Smith - Austin Peay State University
J. Strader - Michigan State University
M. Sullivan - University of Southampton
M. E. C. Swanson - National Center for Supercomputing Applications
D. Thomas - University of Portsmouth
S. Valenti - University of California, Santa Cruz
T. N. Varga - Ludwig-Maximilians-Universität München
A. R. Walker - Cerro Tololo Inter-American Observatory
J. Weller - Max Planck Institute for Extraterrestrial Physics
M. L. Wood - University of North Carolina at Chapel Hill
B. Yanny - Fermi National Accelerator Laboratory
A. Zenteno - NSF’s NOIRLab
M. Aguena - Laboratório Interinstitucional de e-Astronomia
F. Andrade-Oliveira - Laboratório Interinstitucional de e-Astronomia
E. Bertin - Institut d'Astrophysique de Paris
D. Brooks - University College London
D. L. Burke - SLAC National Accelerator Laboratory
A. Carnero Rosell - Laboratório Interinstitucional de e-Astronomia
M. Carrasco Kind - University of Illinois Urbana-Champaign
J. Carretero - Institute for High Energy Physics
M. Costanzi - University of Trieste
L. N. da Costa - Laboratório Interinstitucional de e-Astronomia
J. De Vicente - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
S. Desai - Indian Institute of Technology Hyderabad
S. Everett - Santa Cruz Institute for Particle Physics , Santa Cruz, CA 95064, USA
I. Ferrero - University of Oslo
B. Flaugher - Fermi National Accelerator Laboratory
E. Gaztanaga - Institut d'Estudis Espacials de Catalunya
D. W. Gerdes - University of Michigan–Ann Arbor
D. Gruen - Ludwig-Maximilians-Universität München
J. Gschwend - Laboratório Interinstitucional de e-Astronomia
G. Gutierrez - Fermi National Accelerator Laboratory
S. R. Hinton - University of Queensland
D. L. Hollowood - Santa Cruz Institute for Particle Physics , Santa Cruz, CA 95064, USA
K. Honscheid - The Ohio State University
D. J. James - Whale Center of New England
K. Kuehn - Australian Astronomical Observatory
M. Lima - Laboratório Interinstitucional de e-Astronomia
M. A. G. Maia - Observatório Nacional , Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, Brazil
R. Miquel - Institució Catalana de Recerca i Estudis Avançats
R. L. C. Ogando - Observatório Nacional , Rua Gal. José Cristino 77, Rio de Janeiro, RJ—20921-400, Brazil
A. Pieres - Laboratório Interinstitucional de e-Astronomia
A. A. Plazas Malagón - Princeton University
M. Rodriguez-Monroy - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
E. Sanchez - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
V. Scarpine - Fermi National Accelerator Laboratory
M. Schubnell - University of Michigan–Ann Arbor
S. Serrano - Institute of Space Sciences
I. Sevilla-Noarbe - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
E. Suchyta - Oak Ridge National Laboratory
G. Tarle - University of Michigan–Ann Arbor
C. To - Kavli Institute for Particle Astrophysics and Cosmology
Y. Zhang - Fermi National Accelerator Laboratory
Publication Details: The Astrophysical journal, Vol.929(2)
Publisher: The American Astronomical Society
Number of pages: 26
Date published: 19/04/2022
Identifiers: 99820328702346
Academic Unit: FEPS Central Faculty Admin
Language: English
Resource Type: Journal article

SOAR/Goodman Spectroscopic Assessment of Candidate Counterparts of the LIGO/Virgo Event GW190814

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