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Program Information for 2017A-0069


PI: Edo Berger, Harvard U., eberger@cfa.harvard.edu
Address: Astronomy Department, 60 Garden St., Cambridge, MA 02138 USA

CoI: Marcelle Soares-Santos, FNAL
CoI: Philip Cowperthwaite, Harvard U.
CoI: James Annis, FNAL
CoI: Gary Bernstein, U. of Pennsylvania
CoI: Duncan Brown, Syracuse University
CoI: Elizabeth Buckley-Geer, FNAL
CoI: Laura Cadonati, Georgia Institute of Technology
CoI: Stephen Cenko, NASA Goddard Space Flight Center
CoI: Hsin-Yu Chen, U. of Chicago
CoI: Ryan Chornock, Ohio U.
CoI: Shantanu Desai, Universidad Nacional de Educacion a Distancia
CoI: H Thomas Diehl, FNAL
CoI: Maria Drout, Harvard U.
CoI: Stephen Fairhurst, Cardiff University
CoI: Benjamin Farr, U. of Chicago
CoI: David Finley, FNAL
CoI: Brenna Flaugher, FNAL
CoI: Ryan Foley, UC Santa Cruz
CoI: Wen-fai Fong, U. of Arizona
CoI: Derek Fox, Pennsylvania State U.
CoI: Josh Frieman, FNAL
CoI: Chris Fryer, LANL
CoI: Chad Hanna, Pennsylvania State U.
CoI: Daniel Holz, U. of Chicago
CoI: Dan Kasen, Lawrence Berkeley National Laboratory
CoI: Richard Kessler, U. of Chicago
CoI: Huan Lin, FNAL
CoI: Matt Nicholl, Harvard U.
CoI: Raffaella Margutti, NYU
CoI: John Marriner, FNAL
CoI: Thomas Matheson, NOAO
CoI: Brian Metzger, Columbia U.
CoI: Eric Neilsen, FNAL
CoI: Eliot Quataert, UC Berkeley
CoI: Armin Rest, STScI
CoI: Masao Sako, U. of Pennsylvania
CoI: Daniel Scolnic, U. of Chicago
CoI: Nathan Smith, U. of Arizona
CoI: R Chris Smith, NOAO
CoI: Flavia Sobreira, FNAL
CoI: Patrick Sutton, Cardiff University
CoI: Ashley Villar, Harvard U.
CoI: Peter Williams, Harvard U.
CoI: Brian Yanny, FNAL
CoI: David Gerdes, U. of Michigan
CoI: Robert A Gruendl, U. of Illinois Urbana-Champaign
CoI: Alistair Walker, CTIO
CoI: Laura Nuttall, Syracuse University
CoI: Kate Alexander, Harvard U.
CoI: Dillon Brout, U. of Pennsylvania
CoI: Juan Garcia-Bellido, University Autonoma Madrid

Title: DECam Follow-Up of Advanced LIGO/Virgo Observing Run 2

Abstract: Advanced LIGO achieved the first direct detections of gravitational waves in 2015, and our deep, rapid, and wide-area DECam follow-up of the two detected events established the unique role of DECam for southern hemisphere optical follow-up. Observing Run 2 will span the 2016B and 2017A semesters, will have greater sensitivity and may detect the first binary neutron star (BNS) mergers. Moreover, in 2017A the expected addition of Advanced Virgo will lead to improved positions. The most promising optical counterpart for BNS mergers is a ``kilonova'' -- a dim ($z_{rm peak}!approx!21$ mag), red ($i-z!approx!1$ mag), and fast- evolving ($approx!1$ week) transient powered by $r$-process heavy nuclei. Another possible counterpart (although detectable over a restricted range of viewing angles) is a dim off-axis optical afterglows. DECam is the only instrument in the southern hemisphere capable of detecting such faint and rapid optical counterparts across large sky regions, and here we propose to continue our successful program for joint detections. We will observe up to 1 BNS merger through target-of-opportunity override observations.

Program Type: Standard/Extragalactic

Scheduled Nights:
Run 1 (2017A):  CT-4m-TOO/DECam -- 25hrs


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