SOAR/Goodman spectroscopic assessment of candidate counterparts of the LIGO/Virgo event GW190814

D. L. Tucker; 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; R. Nichol; F. Paz-Chinchón; M. E. S. Pereira; J. Pineda; S. Points; J. Quirola-Vásquez; S. Rembold; A. Rest; O. 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; DES Collaboration

doi:10.3847/1538-4357/ac5b60

SOAR/Goodman spectroscopic assessment of candidate counterparts of the LIGO/Virgo event GW190814

D. L. Tucker^*, 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. AmaraH. 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, R. Nichol, F. Paz-Chinchón, M. E. S. Pereira, J. Pineda, S. Points, J. Quirola-Vásquez, S. Rembold, A. Rest, O. 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, DES Collaboration

^*Corresponding author for this work

Australian Astronomical Optics

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Abstract

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.

Original language	English
Article number	115
Pages (from-to)	1-26
Number of pages	26
Journal	Astrophysical Journal
Volume	929
Issue number	2
DOIs	https://doi.org/10.3847/1538-4357/ac5b60
Publication status	Published - 20 Apr 2022

Bibliographical note

Copyright the Author(s) 2022. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

gravitational waves
spectroscopy
neutron stars
black holes

Access to Document

10.3847/1538-4357/ac5b60

Publisher version (open access)Final published version, 2.77 MBLicence: CC BY

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Tucker, D. L., Wiesner, M. P., Allam, S. S., Soares-Santos, M., Bom, C. R., Butner, M., Garcia, A., Morgan, R., Olivares E., F., Palmese, A., Santana-Silva, L., Shrivastava, A., Annis, J., García-Bellido, J., Gill, M. S. S., Herner, K., Kilpatrick, C. D., Makler, M., Sherman, N., ... DES Collaboration (2022). SOAR/Goodman spectroscopic assessment of candidate counterparts of the LIGO/Virgo event GW190814. Astrophysical Journal, 929(2), 1-26. [115]. https://doi.org/10.3847/1538-4357/ac5b60

@article{f54ea2a680f8426f820ac199513cd6ae,

title = "SOAR/Goodman spectroscopic assessment of candidate counterparts of the LIGO/Virgo event GW190814",

abstract = "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.",

keywords = "gravitational waves, spectroscopy, neutron stars, black holes",

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

note = "Copyright the Author(s) 2022. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.",

year = "2022",

month = apr,

day = "20",

doi = "10.3847/1538-4357/ac5b60",

language = "English",

volume = "929",

pages = "1--26",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "IOP Publishing",

number = "2",

}

Tucker, DL, Wiesner, MP, Allam, SS, Soares-Santos, M, Bom, CR, Butner, M, Garcia, A, Morgan, R, Olivares E., F, Palmese, A, Santana-Silva, L, Shrivastava, A, Annis, J, García-Bellido, J, Gill, MSS, Herner, K, Kilpatrick, CD, Makler, M, Sherman, N, Amara, A, Lin, H, Smith, M, Swann, E, Arcavi, I, Bachmann, TG, Bechtol, K, Berlfein, F, Briceño, C, Brout, D, Butler, RE, Cartier, R, Casares, J, Chen, HY, Conselice, C, Contreras, C, Cook, E, Cooke, J, Dage, K, D'Andrea, C, Davis, TM, De Carvalho, R, Diehl, HT, Dietrich, JP, Doctor, Z, Drlica-Wagner, A, Drout, M, Farr, B, Finley, DA, Fishbach, M, Foley, RJ, Förster-Burón, F, Fosalba, P, Friedel, D, Frieman, J, Frohmaier, C, Gruendl, RA, Hartley, WG, Hiramatsu, D, Holz, DE, Howell, DA, Kawash, A, Kessler, R, Kuropatkin, N, Lahav, O, Lundgren, A, Lundquist, M, Malik, U, Mann, AW, Marriner, J, Marshall, JL, Martínez-Vázquez, CE, McCully, C, Menanteau, F, Meza, N, Narayan, G, Neilsen, E, Nicolaou, C, Nichol, R, Paz-Chinchón, F, Pereira, MES, Pineda, J, Points, S, Quirola-Vásquez, J, Rembold, S, Rest, A, Rodriguez, O, Romer, AK, Sako, M, Salim, S, Scolnic, D, Smith, JA, Strader, J, Sullivan, M, Swanson, MEC, Thomas, D, Valenti, S, Varga, TN, Walker, AR, Weller, J, Wood, ML, Yanny, B, Zenteno, A, Aguena, M, Andrade-Oliveira, F, Bertin, E, Brooks, D, Burke, DL, Rosell, AC, Kind, MC, Carretero, J, Costanzi, M, Da Costa, LN, De Vicente, J, Desai, S, Everett, S, Ferrero, I, Flaugher, B, Gaztanaga, E, Gerdes, DW, Gruen, D, Gschwend, J, Gutierrez, G, Hinton, SR, Hollowood, DL, Honscheid, K, James, DJ, Kuehn, K, Lima, M, Maia, MAG, Miquel, R, Ogando, RLC, Pieres, A, Plazas Malagón, AA, Rodriguez-Monroy, M, Sanchez, E, Scarpine, V, Schubnell, M, Serrano, S, Sevilla-Noarbe, I, Suchyta, E, Tarle, G, To, C, Zhang, Y & DES Collaboration 2022, 'SOAR/Goodman spectroscopic assessment of candidate counterparts of the LIGO/Virgo event GW190814', Astrophysical Journal, vol. 929, no. 2, 115, pp. 1-26. https://doi.org/10.3847/1538-4357/ac5b60

TY - JOUR

T1 - SOAR/Goodman spectroscopic assessment of candidate counterparts of the LIGO/Virgo event GW190814

AU - Tucker, D. L.

AU - Wiesner, M. P.

AU - Allam, S. S.

AU - Soares-Santos, M.

AU - Bom, C. R.

AU - Butner, M.

AU - Garcia, A.

AU - Morgan, R.

AU - Olivares E., F.

AU - Palmese, A.

AU - Santana-Silva, L.

AU - Shrivastava, A.

AU - Annis, J.

AU - García-Bellido, J.

AU - Gill, M. S. S.

AU - Herner, K.

AU - Kilpatrick, C. D.

AU - Makler, M.

AU - Sherman, N.

AU - Amara, A.

AU - Lin, H.

AU - Smith, M.

AU - Swann, E.

AU - Arcavi, I.

AU - Bachmann, T. G.

AU - Bechtol, K.

AU - Berlfein, F.

AU - Briceño, C.

AU - Brout, D.

AU - Butler, R. E.

AU - Cartier, R.

AU - Casares, J.

AU - Chen, H. Y.

AU - Conselice, C.

AU - Contreras, C.

AU - Cook, E.

AU - Cooke, J.

AU - Dage, K.

AU - D'Andrea, C.

AU - Davis, T. M.

AU - De Carvalho, R.

AU - Diehl, H. T.

AU - Dietrich, J. P.

AU - Doctor, Z.

AU - Drlica-Wagner, A.

AU - Drout, M.

AU - Farr, B.

AU - Finley, D. A.

AU - Fishbach, M.

AU - Foley, R. J.

AU - Förster-Burón, F.

AU - Fosalba, P.

AU - Friedel, D.

AU - Frieman, J.

AU - Frohmaier, C.

AU - Gruendl, R. A.

AU - Hartley, W. G.

AU - Hiramatsu, D.

AU - Holz, D. E.

AU - Howell, D. A.

AU - Kawash, A.

AU - Kessler, R.

AU - Kuropatkin, N.

AU - Lahav, O.

AU - Lundgren, A.

AU - Lundquist, M.

AU - Malik, U.

AU - Mann, A. W.

AU - Marriner, J.

AU - Marshall, J. L.

AU - Martínez-Vázquez, C. E.

AU - McCully, C.

AU - Menanteau, F.

AU - Meza, N.

AU - Narayan, G.

AU - Neilsen, E.

AU - Nicolaou, C.

AU - Nichol, R.

AU - Paz-Chinchón, F.

AU - Pereira, M. E. S.

AU - Pineda, J.

AU - Points, S.

AU - Quirola-Vásquez, J.

AU - Rembold, S.

AU - Rest, A.

AU - Rodriguez, O.

AU - Romer, A. K.

AU - Sako, M.

AU - Salim, S.

AU - Scolnic, D.

AU - Smith, J. A.

AU - Strader, J.

AU - Sullivan, M.

AU - Swanson, M. E. C.

AU - Thomas, D.

AU - Valenti, S.

AU - Varga, T. N.

AU - Walker, A. R.

AU - Weller, J.

AU - Wood, M. L.

AU - Yanny, B.

AU - Zenteno, A.

AU - Aguena, M.

AU - Andrade-Oliveira, F.

AU - Bertin, E.

AU - Brooks, D.

AU - Burke, D. L.

AU - Rosell, A. Carnero

AU - Kind, M. Carrasco

AU - Carretero, J.

AU - Costanzi, M.

AU - Da Costa, L. N.

AU - De Vicente, J.

AU - Desai, S.

AU - Everett, S.

AU - Ferrero, I.

AU - Flaugher, B.

AU - Gaztanaga, E.

AU - Gerdes, D. W.

AU - Gruen, D.

AU - Gschwend, J.

AU - Gutierrez, G.

AU - Hinton, S. R.

AU - Hollowood, D. L.

AU - Honscheid, K.

AU - James, D. J.

AU - Kuehn, K.

AU - Lima, M.

AU - Maia, M. A. G.

AU - Miquel, R.

AU - Ogando, R. L. C.

AU - Pieres, A.

AU - Plazas Malagón, A. A.

AU - Rodriguez-Monroy, M.

AU - Sanchez, E.

AU - Scarpine, V.

AU - Schubnell, M.

AU - Serrano, S.

AU - Sevilla-Noarbe, I.

AU - Suchyta, E.

AU - Tarle, G.

AU - To, C.

AU - Zhang, Y.

AU - DES Collaboration

N1 - Copyright the Author(s) 2022. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

PY - 2022/4/20

Y1 - 2022/4/20

N2 - 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.

AB - 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.

KW - gravitational waves

KW - spectroscopy

KW - neutron stars

KW - black holes

UR - http://www.scopus.com/inward/record.url?scp=85129634171&partnerID=8YFLogxK

UR - http://purl.org/au-research/grants/arc/CE170100004

U2 - 10.3847/1538-4357/ac5b60

DO - 10.3847/1538-4357/ac5b60

M3 - Article

AN - SCOPUS:85129634171

SN - 0004-637X

VL - 929

SP - 1

EP - 26

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

M1 - 115

ER -

SOAR/Goodman spectroscopic assessment of candidate counterparts of the LIGO/Virgo event GW190814

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