The Gravity Collective: A Search for the Electromagnetic Counterpart to the Neutron Star-Black Hole Merger GW190814
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The Gravity Collective : A Search for the Electromagnetic Counterpart to the Neutron Star-Black Hole Merger GW190814. / Kilpatrick, Charles D.; Coulter, David A.; Arcavi, Iair; Brink, Thomas G.; Dimitriadis, Georgios; Filippenko, Alexei; Foley, Ryan J.; Howell, D. Andrew; Jones, David O.; Kasen, Daniel; Makler, Martin; Piro, Anthony L.; Rojas-Bravo, Cesar; Sand, David J.; Swift, Jonathan J.; Tucker, Douglas; Zheng, WeiKang; Allam, Sahar S.; Annis, James T.; Antilen, Juanita; Bachmann, Tristan G.; Bloom, Joshua S.; Bom, Clecio R.; Bostroem, K. Azalee; Brout, Dillon; Burke, Jamison; Butler, Robert E.; Butner, Melissa; Campillay, Abdo; Clever, Karoli E.; Conselice, Christopher J.; Cooke, Jeff; Dage, Kristen C.; de Carvalho, Reinaldo R.; de Jaeger, Thomas; Desai, Shantanu; Garcia, Alyssa; Garcia-Bellido, Juan; Gill, Mandeep S. S.; Girish, Nachiket; Hallakoun, Na'ama; Herner, Kenneth; Hiramatsu, Daichi; Holz, Daniel E.; Huber, Grace; Kawash, Adam M.; McCully, Curtis; Medallon, Sophia A.; Metzger, Brian D.; Modak, Shaunak; Morgan, Robert; Munoz, Ricardo R.; Munoz-Elgueta, Nahir; Murakami, Yukei S.; Felipe Olivares, E.; Palmese, Antonella; Patra, Kishore C.; Pereira, Maria E. S.; Pessi, Thallis L.; Pineda-Garcia, J.; Quirola-Vasquez, Jonathan; Ramirez-Ruiz, Enrico; Rembold, Sandro Barboza; Rest, Armin; Rodriguez, Osmar; Santana-Silva, Luidhy; Sherman, Nora F.; Siebert, Matthew R.; Smith, Carli; Smith, J. Allyn; Soares-Santos, Marcelle; Stacey, Holland; Stahl, Benjamin E.; Strader, Jay; Strasburger, Erika; Sunseri, James; Tinyanont, Samaporn; Tucker, Brad E.; Ulloa, Natalie; Valenti, Stefano; Vasylyev, Sergiy S.; Wiesner, Matthew P.; Zhang, Keto D.
In: Astrophysical Journal, Vol. 923, No. 2, 258, 12.2021.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - The Gravity Collective
T2 - A Search for the Electromagnetic Counterpart to the Neutron Star-Black Hole Merger GW190814
AU - Kilpatrick, Charles D.
AU - Coulter, David A.
AU - Arcavi, Iair
AU - Brink, Thomas G.
AU - Dimitriadis, Georgios
AU - Filippenko, Alexei
AU - Foley, Ryan J.
AU - Howell, D. Andrew
AU - Jones, David O.
AU - Kasen, Daniel
AU - Makler, Martin
AU - Piro, Anthony L.
AU - Rojas-Bravo, Cesar
AU - Sand, David J.
AU - Swift, Jonathan J.
AU - Tucker, Douglas
AU - Zheng, WeiKang
AU - Allam, Sahar S.
AU - Annis, James T.
AU - Antilen, Juanita
AU - Bachmann, Tristan G.
AU - Bloom, Joshua S.
AU - Bom, Clecio R.
AU - Bostroem, K. Azalee
AU - Brout, Dillon
AU - Burke, Jamison
AU - Butler, Robert E.
AU - Butner, Melissa
AU - Campillay, Abdo
AU - Clever, Karoli E.
AU - Conselice, Christopher J.
AU - Cooke, Jeff
AU - Dage, Kristen C.
AU - de Carvalho, Reinaldo R.
AU - de Jaeger, Thomas
AU - Desai, Shantanu
AU - Garcia, Alyssa
AU - Garcia-Bellido, Juan
AU - Gill, Mandeep S. S.
AU - Girish, Nachiket
AU - Hallakoun, Na'ama
AU - Herner, Kenneth
AU - Hiramatsu, Daichi
AU - Holz, Daniel E.
AU - Huber, Grace
AU - Kawash, Adam M.
AU - McCully, Curtis
AU - Medallon, Sophia A.
AU - Metzger, Brian D.
AU - Modak, Shaunak
AU - Morgan, Robert
AU - Munoz, Ricardo R.
AU - Munoz-Elgueta, Nahir
AU - Murakami, Yukei S.
AU - Felipe Olivares, E.
AU - Palmese, Antonella
AU - Patra, Kishore C.
AU - Pereira, Maria E. S.
AU - Pessi, Thallis L.
AU - Pineda-Garcia, J.
AU - Quirola-Vasquez, Jonathan
AU - Ramirez-Ruiz, Enrico
AU - Rembold, Sandro Barboza
AU - Rest, Armin
AU - Rodriguez, Osmar
AU - Santana-Silva, Luidhy
AU - Sherman, Nora F.
AU - Siebert, Matthew R.
AU - Smith, Carli
AU - Smith, J. Allyn
AU - Soares-Santos, Marcelle
AU - Stacey, Holland
AU - Stahl, Benjamin E.
AU - Strader, Jay
AU - Strasburger, Erika
AU - Sunseri, James
AU - Tinyanont, Samaporn
AU - Tucker, Brad E.
AU - Ulloa, Natalie
AU - Valenti, Stefano
AU - Vasylyev, Sergiy S.
AU - Wiesner, Matthew P.
AU - Zhang, Keto D.
PY - 2021/12
Y1 - 2021/12
N2 - We present optical follow-up imaging obtained with the Katzman Automatic Imaging Telescope, Las Cumbres Observatory Global Telescope Network, Nickel Telescope, Swope Telescope, and Thacher Telescope of the LIGO/Virgo gravitational wave (GW) signal from the neutron star-black hole (NSBH) merger GW190814. We searched the GW190814 localization region (19 deg(2) for the 90th percentile best localization), covering a total of 51 deg(2) and 94.6% of the two-dimensional localization region. Analyzing the properties of 189 transients that we consider as candidate counterparts to the NSBH merger, including their localizations, discovery times from merger, optical spectra, likely host galaxy redshifts, and photometric evolution, we conclude that none of these objects are likely to be associated with GW190814. Based on this finding, we consider the likely optical properties of an electromagnetic counterpart to GW190814, including possible kilonovae and short gamma-ray burst afterglows. Using the joint limits from our follow-up imaging, we conclude that a counterpart with an r-band decline rate of 0.68 mag day(-1), similar to the kilonova AT 2017gfo, could peak at an absolute magnitude of at most -17.8 mag (50% confidence). Our data are not constraining for "red" kilonovae and rule out "blue" kilonovae with M > 0.5 M (circle dot) (30% confidence). We strongly rule out all known types of short gamma-ray burst afterglows with viewing angles
AB - We present optical follow-up imaging obtained with the Katzman Automatic Imaging Telescope, Las Cumbres Observatory Global Telescope Network, Nickel Telescope, Swope Telescope, and Thacher Telescope of the LIGO/Virgo gravitational wave (GW) signal from the neutron star-black hole (NSBH) merger GW190814. We searched the GW190814 localization region (19 deg(2) for the 90th percentile best localization), covering a total of 51 deg(2) and 94.6% of the two-dimensional localization region. Analyzing the properties of 189 transients that we consider as candidate counterparts to the NSBH merger, including their localizations, discovery times from merger, optical spectra, likely host galaxy redshifts, and photometric evolution, we conclude that none of these objects are likely to be associated with GW190814. Based on this finding, we consider the likely optical properties of an electromagnetic counterpart to GW190814, including possible kilonovae and short gamma-ray burst afterglows. Using the joint limits from our follow-up imaging, we conclude that a counterpart with an r-band decline rate of 0.68 mag day(-1), similar to the kilonova AT 2017gfo, could peak at an absolute magnitude of at most -17.8 mag (50% confidence). Our data are not constraining for "red" kilonovae and rule out "blue" kilonovae with M > 0.5 M (circle dot) (30% confidence). We strongly rule out all known types of short gamma-ray burst afterglows with viewing angles
KW - GRAVITATIONAL-WAVE SOURCE
KW - GALAXY-TARGETED SEARCH
KW - EQUATION-OF-STATE
KW - FOLLOW-UP
KW - HUBBLE CONSTANT
KW - LIGHT CURVES
KW - DATA RELEASE
KW - PHOTOMETRY PROGRAM
KW - RADIO COUNTERPART
KW - STANDARD STARS
U2 - 10.3847/1538-4357/ac23c6
DO - 10.3847/1538-4357/ac23c6
M3 - Journal article
VL - 923
JO - Astrophysical Journal
JF - Astrophysical Journal
SN - 0004-637X
IS - 2
M1 - 258
ER -
ID: 301134885