The Sloan Digital Sky Survey Reverberation Mapping Project: Photometric g and i Light Curves

K. Kinemuchi, Patrick B. Hall, Ian McGreer, C. S. Kochanek, Catherine J. Grier, Jonathan Trump, Yue Shen, W. N. Brandt, W. M. Wood-Vasey, Xiaohui Fan, Bradley M. Peterson, Donald P. Schneider, Juan V. Hernández Santisteban, Keith Horne, Yuguang Chen, Sarah Eftekharzadeh, Yucheng Guo, Siyao Jia, Feng Li, Zefeng LiJundan Nie, Kara A. Ponder, Jesse Rogerson, Tianmen Zhang, Hu Zou, Linhua Jiang, Luis C. Ho, Jean Paul Kneib, Patrick Petitjean, Nathalie Palanque-Delabrouille, Christophe Yeche

Research output: Contribution to journalReview articlepeer-review

4 Scopus citations


The Sloan Digital Sky Survey (SDSS) Reverberation Mapping program monitors 849 active galactic nuclei (AGNs) both spectroscopically and photometrically. The photometric observations used in this work span over 4 yr and provide an excellent baseline for variability studies of these objects. We present the photometric light curves from 2014 to 2017 obtained by the Steward Observatory's Bok telescope and the Canada-France-Hawaii telescope with MegaCam. We provide details on the data acquisition and processing of the data from each telescope, the difference imaging photometry used to produce the light curves, and the calculation of a variability index to quantify each AGN's variability. We find that the Welch-Stetson J index provides a useful characterization of AGN variability and can be used to select AGNs for further study.

Original languageEnglish (US)
Article number10
JournalAstrophysical Journal, Supplement Series
Issue number1
StatePublished - Sep 2020

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


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