Observations of the first electromagnetic counterpart to a gravitational wave source by the TOROS collaboration
We present the results of prompt optical follow-up of the electromagnetic counterpart of GW170817 by the Transient Optical Robotic Observatory of the South Collaboration (TOROS). We detected highly significant dimming in the light curves of the counterpart over the course of only 80 minutes of obser...
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| Veröffentlicht in: | Proceedings of the International Astronomical Union 2017-10, Vol.13 (S338), p.80-83 |
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| creator | Macri, Lucas M. Díaz, Mario C. Lambas, Diego Garcia |
| description | We present the results of prompt optical follow-up of the electromagnetic counterpart of GW170817 by the Transient Optical Robotic Observatory of the South Collaboration (TOROS). We detected highly significant dimming in the light curves of the counterpart 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 1.5m 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. |
| doi_str_mv | 10.1017/S1743921318003630 |
| format | Article |
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| subjects | Astronomy Collaboration Contributed Papers Dimming Gravitational waves Lanthanides Light curve |
| title | Observations of the first electromagnetic counterpart to a gravitational wave source by the TOROS collaboration |
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