Caramel

Code for AGN Reverberation and Modeling of Emission Lines

CARAMEL is a C++ code that uses reverberation mapping data to model the broad line region and measure the supermassive black hole mass in active galactic nuclei (AGN).  CARAMEL has been applied to six AGNs with reverberation mapping datasets so far, including Arp 151Mrk 50, and the LAMP 2008 sample (including Arp 151, Mrk 1310, NGC 5548, NGC 6814, and SBS 1116+583A).  The first two CARAMEL methods papers are Pancoast, Brewer, & Treu (2011) and Pancoast, Brewer, & Treu (2014).

There are three areas of open development in CARAMEL:

  • Modeling integrated emission line light curves using a model for the geometry of the broad line region.
  • Modeling a time series of emission line profiles using a model for the geometry and dynamics of the broad line region.
  • Recovering the transfer function using regularized linear inversion as described by Krolik & Done (1995).  Results for analysis of the LAMP 2008 sample are described by Skielboe et al. (2015).
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