Published June 14, 2023 | Version 2
Journal article Open

Temperature Fluctuations in Quasar Accretion Discs from Spectroscopic Monitoring Data

  • 1. University of Illinois Urbana-Champaign

Contributors

  • 1. University of Illinois Urbana-Champaign

Description

SDSS_RM_Data.fits: A FITS table including the parameters of all SDSS-RM objects used in this sample, as well as their continnum light curves and associated error. The parameters included for each object are their identifier ('RMID'), redshift ('z'), black hole mass ('logMBH'), bolometric luminosity ('logLBol'), and Eddington ratio ('lambda_edd'). The black hole mass is given as the base-10 log of the mass in units of solar masses, and the bolometric luminosity is given as the base-10 log of the value in units of erg s^-1. The continuum light curves ('continuum_fit') and corresponding errors ('continuum_fit_err') are given in terms of fluxes in units of erg s^-1 cm^-2 Angstrom^-1. The times of the light curve observations ('mjd') are given in MJD, and the rest-frame wavelengths of the observations ('rest_wavelength') are given in Angstroms. 

 

TempMap_Tot.pdf: A PDF document showing all of the summary pages for each object in the SDSS-RM subsample used (Figure 6 in the paper). Each summary page includes the filter kernels used to determine the range of probed radii in the disc, a plot of all continuum spectra, parameters of the AGN, parameters of the observed perturbations (if there were any), and the output temperature map. 

 

It should be noted for the FITS table that the length of each array in each column is equal, though the length of the data for each object is not. Therefore, the array of data for each object was extended to match that of the object with the maximum number of observations. These arrays were extended by filling the remainder of the array with NaNs. 

Notes

Update: New data was uploaded on 06/14/2023. This data was reanalyzed using the correct smearing terms after corrections to the first version. Temperature maps are slightly different, but overall results from the paper remain the same.

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Related works

Is supplement to
Journal article: 10.48550/arXiv.2210.07452 (DOI)