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Program Information for 2019A-0065


PI: Yue Shen, U. of Illinois Urbana-Champaign, shenyue@illinois.edu
Address: Astronomy Department, 1002 W Green Street, Urbana, IL 61801 USA

CoI: Scott F Anderson, U. of Washington
CoI: Patricia Arevalo, Universidad de Valapraiso
CoI: W. Niel Brandt, Pennsylvania State U.
CoI: Tamara Davis, University of Queensland
CoI: Matthew Graham, California Institute of Technology
CoI: Robert Gruendl, U. of Illinois Urbana-Champaign
CoI: Pat Hall, York University
CoI: Janie Hoormann, The Australian National University
CoI: Keith Horne, U. of St. Andrews
CoI: Juna Kollmeier, Carnegie Observatories
CoI: Chris Lidman, The Australian National University
CoI: Paulina Lira, Universidad de Chile
CoI: Xin Liu, U. of Illinois Urbana-Champaign
CoI: Paul Martini, Ohio State U.
CoI: Felipe Menanteau, U. of Illinois Urbana-Champaign
CoI: Andrea Merloni, Max Planck Institut fuer extraterrestrische Physik
CoI: Eric Morganson, U. of Illinois Urbana-Champaign
CoI: Donald Schneider, Pennsylvania State U.
CoI: Rob Sharp, The Australian National University
CoI: Ohad Shemmer, U. of North Texas
CoI: Brad Tucker, The Australian National University
CoI: Benny Trakhtenbrot, Tel Aviv University
CoI: Jonathan Trump, University of Connecticut

Title: DECam Early Imaging of AGN Reverberation Mapping Fields in SDSS-V

Abstract: SPECIAL NOTE FOR 2020A: Time allocated: [60]m at each of the following roughly weekly epochs Feb 3, Feb 11, Feb 24, Feb 27, Mar 3, Mar14, Mar 19, Apr 2, Apr 8, Apr 15, Apr 21, Apr 29, May 15, May 28, Jun 16, Jun 24,Jun 28, Jul 4, Jul 12, Jul 17, Jul 24, July 30 CTIO staff will be in contact to coordinate details prior to the start of the 2020A Semester TAC COMMENT: Accurately measured masses of supermassive black holes (SMBHs) are cornerstones for understanding the coevolution of active galactic nuclei (AGN) and massive galaxies. Mass estimates for distant SMBHs are tied to relationships derived from $sim 60$ AGN at $z<0.3$ with masses measured from reverberation mapping (RM). We are conducting a massive RM program within the upcoming SDSS-V multi-object spectroscopic survey ($sim 2020-2025$), aiming to drastically increase the sample size and redshift-luminosity range of reverberation mapped AGN. In RM, a virial mass is measured by properly combining the broad-emission-line width with the distance of the line-emitting region from the BH, determined from the time lag between variations of an AGN's ultraviolet/optical continuum and variations of the broad-line emission. Photometric monitoring is a critical component of successful RM: it produces precise continuum flux measurements, increases the spectrophotometric accuracy of the line fluxes, provides more continuum/line cross-correlation points, and can effectively extend the time baseline for lag measurements. textit{We propose DECam monitoring of 3 fields (all within the LSST Deep Drill Fields) during 2019A-2021B to support the upcoming SDSS-V spectroscopic reverberation mapping program.}

Program Type: Survey

Scheduled Nights:
Run 1 (2020A):  CT-4m/DECam -- 8n on Feb 03 2020, Feb 11 2020, Feb 24 2020, Mar 03 2020, Mar 14 2020, Mar 19 2020, Mar 26 2020, Apr 02 2020, Jun 16 2020, Jun 24 2020, Jun 28 2020, Jul 04 2020, Jul 12 2020, Jul 17 2020, Jul 24 2020, Jul 30 2020
Run 1 (2020B):  CT-4m/DECam -- 6n on Nov 23 2020, Nov 29 2020, Dec 06 2020, Dec 12 2020, Dec 19 2020, Dec 26 2020, Dec 30 2020, Jan 05 2021, Jan 11 2021, Jan 17 2021, Jan 24 2021, Jan 31 2021
Run 1 (2021A):  CT-4m/DECam -- 1.5n on Mar 27 2021, Mar 30 2021
Run 1 (2021B):  CT-4m/DECam -- 2n on Sep 16 2021, Sep 19 2021


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