Artículo
Observations of the First Electromagnetic Counterpart to a Gravitational-wave Source by the TOROS Collaboration
Díaz, Mario Claudio; Macri, Lucas M.; Garcia Lambas, Diego Rodolfo
; Mendes de Oliveira, C.; Nilo Castellon, Jose Luis Emilio
; Ribeiro, T.; Sánchez, Bruno Orlando
; Schoenell, W.; Abramo, L. R.; Akras, S.; Alcaniz, J. S.; Artola, R.; Beroiz, Martin Isidro Ramon; Bonoli, S.; Cabral, Juan Bautista
; Camuccio, R.; Castillo, M.; Chavushyan, Vahram; Coelho, P.; Colazo, Juan Cruz; Costa Duarte, M. V.; Cuevas Larenas, H.; DePoy, D. L.; Dominguez Romero, Mariano Javier de Leon
; Dultzin, Debora; Fernández, D.; García, J.; Girardini, C.; Goncalves Gama, Diana Renata; Gonçalves, T. S.; Gurovich, Sebastian
; Jiménez Teja, Y.; Kanaan, A.; Lares, M.; Lopes de Oliveira, R.; López Cruz, Omar; Marshall, J. L.; Melia, R.; Molino, A.; Padilla, Nelson; Peñuela, T.; Placco, V. M.; Quiñones, Cecilia; Rivera, A. Ramírez; Renzi, Victor Alberto
; Riguccini, L.; Ríos López, Emmanuel; Rodriguez, Horacio Oscar
; Sampedro, L.; Schneiter, Ernesto Matías
; Sodré, Laerte; Starck Cuffini, Manuel Darío
; Torres Flores, S.; Tornatore, M.; Zadrożny, A.
Fecha de publicación:
10/2017
Editorial:
American Astronomical Society
Revista:
Astrophysical Journal Letters
ISSN:
2041-8205
e-ISSN:
2041-8213
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
We present the results of prompt optical follow-up of the electromagnetic counterpart of the gravitational-wave event GW170817 by the Transient Optical Robotic Observatory of the South Collaboration. We detected highly significant dimming in the light curves of the counterpart (Δg = 0.17 ± 0.03 mag, Δr = 0.14 ± 0.02 mag, Δi = 0.10 ± 0.03 mag) over the course of only 80 minutes of observations obtained ∼35 hr after the trigger with the T80-South telescope. A second epoch of observations, obtained ∼59 hr after the event with the EABA 1.5 m telescope, confirms the fast fading nature of the transient. The observed colors of the counterpart suggest that this event was a "blue kilonova" relatively free of lanthanides.
Palabras clave:
Gamma-Ray Burst: Individual (170817a)
,
Stars: Neutron
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Articulos(IATE)
Articulos de INST.DE ASTRONOMIA TEORICA Y EXPERIMENTAL
Articulos de INST.DE ASTRONOMIA TEORICA Y EXPERIMENTAL
Citación
Díaz, Mario Claudio; Macri, Lucas M.; Garcia Lambas, Diego Rodolfo; Mendes de Oliveira, C.; Nilo Castellon, Jose Luis Emilio; et al.; Observations of the First Electromagnetic Counterpart to a Gravitational-wave Source by the TOROS Collaboration; American Astronomical Society; Astrophysical Journal Letters; 848; 2; 10-2017; 1-5
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