Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21330604b&link_type=abstract
American Astronomical Society, AAS Meeting #213, #306.04; Bulletin of the American Astronomical Society, Vol. 41, p.276
Astronomy and Astrophysics
Astronomy
Scientific paper
Reverberation mapping relies on high-quality spectroscopic monitoring of broad line AGNs. To expand the sample of AGNs with black hole mass measurements, we acquired spectra for a sample of 13 AGNs with the Kast Spectrograph over a period of 64 mostly-contiguous nights at the Lick Observatory Shane 3-m telescope. Our spectra cover the observed wavelength range 4300--7300Å, with a typical spectral resolution of 13Å/pix. I will present the broad emission-line light curves of these 13 objects, the time delays between the broad lines and the continuum flux, and the resultant black hole masses for those objects with strong variability. I will also briefly discuss our Hubble Space Telescope program to image the host galaxies and remove the starlight contribution to the AGN spectroscopic luminosities, allowing us to place these objects on the broad-line radius--luminosity relationship and investigate the slope of the relationship at the low-luminosity end.
Bentz Misty C.
LAMP Collaboration
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