[PDF] Top 20 The Sloan Digital Sky Survey Reverberation Mapping Project : accretion disk sizes from continuum lags

... present accretion disk structure measurements from continuum lags in the Sloan Digital Sky Survey Reverberation Mapping ( SDSS-RM ) ... See full document

... to lags on the order of tens of days ( Shen et al. 2015a ) . Shorter lags are dif fi cult to detect given the sparse sampling of the spectroscopic LCs, while longer lags are dif fi cult to detect given ... See full document

... arise from Doppler-broadened line emission from gas deep within the gravitational potential well of the supermassive black hole, ...) accretion disk continuum ...the continuum ... See full document

... the sky, which translates to a physical radius of ...measured from the integrated light from the bulge and a potential disk component at high ...arise from the failure to resolve the ... See full document

... measured from the ∼ 1700 Å continuum window, assuming a mean spectrophotometric uncertainty of 5% ( see Shen et ...measured from the optical continuum for the current RM sample, keeping in ... See full document

... ) lags for the low-ionization broad lines ( ...IV lags using four years ( 2014 – 2018 ) of imaging and spectroscopy from SDSS-RM ( and for Mg II lags in ...the lags are typically longer ... See full document

... the Sloan Digital Sky Survey RM Project ( SDSS-RM; Shen et ... lags in a large sample of quasars over a range of luminosities and ...Spectroscopic Survey ( BOSS; ... See full document

... The Sloan Digital Sky Survey Reverbera- tion Mapping Project ( SDSS-RM, Shen et ...data from SDSS-RM have already produced lags for different emission lines in a ... See full document

... center from the continuum-subtracted coadded spectra ( i.e., not from functional-form fi ts to the He II line ) based on interactively selected wavelength ...center from both the peak ... See full document

... ing continuum leading to variations in the optical depth values would yield a more detectable change in residual flux from the emitting area covered by optically thin gas than from the emitting area ... See full document

... their continuum variability to test which width de fi nition best follows the expected virial relation ( ...SDSS-RM project will compile multiyear light curves for 849 quasars and thus will provide one of ... See full document

... bands. From 2013 to 2013, the variability amplitude in the GALEX NUV light curve is similar to that of the quasi-simultaneous optical light curves from ... See full document

... average lags as a function of sample- averaged continuum luminosity for the four lines, where the lags have been shifted to the rest frame using the sample- averaged ...contamination from the ... See full document

... time lags between the quasar continuum and broad line region (BLR) variability on timescales of up to several months (in the observed frame) for ∼10% of the sample, and to anchor the time baseline for ... See full document

... Supporting photometric observations in both the g and i bands have been obtained primarily with the Steward Observatory Bok 2.3 m telescope on Kitt Peak and the 3.6 m Canada – France – Hawaii Telescope ( CFHT ) on ... See full document

... The most common methods to measure RM time lags are the interpolated cross-correlation function (ICCF; e.g., Gaskell & Peterson 1987; Peterson et al. 2004), and the discrete correlation function (DCF; Edelson ... See full document

... This simple matching exercise shows that in the catalog presented here, we are ≃ 80% successful at automatically identifying the BCGs selected manually by visual selection in bright X–ray clusters. This comparison also ... See full document

... It is a pleasure to thank the many people who have made this thesis possible. Foremost, I wish to thank my advisor Prof. Dr. Simon D. M. White for giving me the opportunity to study cosmology at the Max Planck Institute ... See full document

... −1 from the true signal in the power ...peak from the possible ...combined from different nights will eventually provide a clear signal in the power spectrum and provide an accurate measurement of ... See full document

... In addition to these overlaps in infrastructure, there exist substantial scienti fi c synergies between the SDSS-IV programs. These connections allow the surveys to explore a number of critical aspects of baryon ... See full document