Numerical simulations of the response of the broad emission lines in AGN to ionizing continuum variations are presented. The simulations are based on the...
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PublicationThe response of the broad emission line region to ionizing continuum variations. II - Numerical simulations
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PublicationThe response of the broad emission line region to ionizing continuum variations. III - an atlas of transfer functions
According to the reverberation model for broad emission line variability in active galactic nuclei, the emission-line luminosity at a given epoch may be...
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PublicationThe Rest-Frame Optical Luminosity Density, Color, and Stellar Mass Density of the Universe from z = 0 to z = 3
We present the evolution of the rest-frame optical luminosity density jrestλ, the integrated rest-frame optical color, and the stellar mass density, ρ*, for a...
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PublicationThe Return of the Bursts: Thermonuclear Flashes from Circinus X-1
We report the detection of 15 X-ray bursts with RXTE and Swift observations of the peculiar X-ray binary Circinus X-1 (Cir X-1) during its 2010 May X-ray re...
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PublicationThe return of the spin period in DW Cnc and evidence of new high state outbursts
DW Cnc is an intermediate polar which has previously been observed in both high and low states. Observations of the high state of DW Cnc have previously...
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PublicationThe Revised Mg2 Index as a Metallicity Indicator for Stellar Systems: Giant Elliptical Galaxies and Bulges
We provide a new calibration of the metallicity dependence of the Mg2 index in stellar systems. It is based on new isochrones by the Padova group and the latest...
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PublicationThe Revised TESS Input Catalog and Candidate Target List
We describe the catalogs assembled and the algorithms used to populate the revised TESS Input Catalog (TIC), based on the incorporation of the Gaia second data...
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PublicationThe Rise of Twisted Magnetic Tubes in a Stratified Medium
First results from a two-dimensional numerical study of the buoyant rise of twisted magnetic flux tubes in the solar convection zone are presented. We show in...
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PublicationThe River and the Sky: Astronomy and Topography in Caral Society, America's First Urban Centers
America's first urban centers may have been located in the Supe Valley, Peru. After investigating the location and the orientation of the main built structures...