REVERBERATION MAPPING OF PG 0934+013 WITH THE SOUTH AFRICAN LARGE TELESCOPE

  • Park, Songyoun (Department of Physics and Astronomy, Seoul National University) ;
  • Woo, Jong-Hak (Department of Physics and Astronomy, Seoul National University) ;
  • Jeon, Yiseul (Department of Physics and Astronomy, Seoul National University) ;
  • Park, Dawoo (Department of Physics and Astronomy, Seoul National University) ;
  • Romero-Colmenero, Encarni (South African Astronomical Observatory) ;
  • Crawford, Steven M. (South African Astronomical Observatory) ;
  • Barth, Aaron (Department of Physics and Astronomy, University of California) ;
  • Pei, Luiyi (Department of Physics and Astronomy, University of California) ;
  • Choi, Changsu (Department of Physics and Astronomy, Seoul National University) ;
  • Hickox, Ryan (Department of Physics and Astronomy, Dartmouth College) ;
  • Sung, Hyun-Il (Korea Astronomy and Space Science Institute) ;
  • Im, Myungshin (Department of Physics and Astronomy, Seoul National University)
  • 발행 : 2016.04.12

초록

We present the variability and time lag measurements of PG 0934+013 based on the photometric and spectroscopic monitoring campaign over two years. We obtained 46 epochs of data from the spectroscopic campaign, which was carried out using the South African Large Telescope with 1 week cadence over two sets of 4 month-long observing period, while we obtained 80 epochs of B band data from the campaign. Due to the six month gap between two campaigns, we separately measured the time lag of the $H{\beta}$ emission line by comparing the emission line light curve with the B band continuum light curve using the cross-correlation function techniques. We determined the time lags and black hole mass.

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