The Continuum Slopes of Optically Selected QSOs
arXiv:astro-ph/9607149 · doi:10.1017/S1323358000020877
Abstract
Quasi-simultaneous optical/near-IR photometry is presented for a sample of 37 luminous optically selected QSOs drawn from the Large Bright QSO Survey. Most of the QSOs have decreased in brightness since discovery; this is expected in flux-limited samples. The continuum shape of most of the QSOs can be represented by a power-law of the form F(nu) = nu**-0.3, but a few have softer (redder) continuum slopes.
14 pages, LaTeX, 2 postscript figures. Accepted for publication in Publ. ASA
Cited by in corpus (41)
- Composite Quasar Spectra From the Sloan Digital Sky Survey
- A Comprehensive Study of 2 000 Narrow Line Seyfert 1 Galaxies from the Sloan Digital Sky Survey: I. The Sample
- A Population of Radio-loud Narrow Line Seyfert 1 Galaxies with Blazar-like Properties?
- Simulation of Stellar Objects in SDSS Color Space
- Colors of 2625 Quasars at 0<z<5 Measured in the Sloan Digital Sky Survey Photometric System
- A Uniform Analysis of the Ly-alpha forest at z = 0 - 5: II. Measuring the mean intensity of the extragalactic ionizing background using the proximity effect
- Candidate Type II Quasars from the SDSS: III. Spectropolarimetry Reveals Hidden Type I Nuclei
- The Quasar Luminosity Function at Redshift 4 with Hyper Suprime-Cam Wide Survey
- A comprehensive and uniform sample of broad-line active galactic nuclei from the SDSS DR7
- ImpZ: a new photometric redshift code for galaxies and quasars
- High-Redshift QSOs in the SWIRE Survey and the z~3 QSO Luminosity Function
- The Faint End of the Quasar Luminosity Function at from the Subaru Hyper Suprime-Cam Survey
- Partially obscured quasars in the Sloan Digital Sky Survey Early Data Release
- The Optical/Near-IR Colours of Red Quasars
- On-axis spectroscopy of the host galaxies of 20 optically luminous quasars at z~0.3
- The proximity effect in a close group of QSOs
- The Optical-UV Continuum of a Sample of QSOs
- Optical Monitoring of Quasars: I. Variability
- Red synchrotron jets in Parkes quasars
- The Sloan Digital Sky Survey Reverberation Mapping Project: Post-Starburst Signatures in Quasar Host Galaxies at z < 1
- A Group of Red, Ly-alpha Emitting, High Redshift Galaxies
- Constraints on the faint end of the quasar luminosity function at z~5 in the COSMOS field
- UV Spectropolarimetry of Narrow-line Radio Galaxies
- The near-IR properties and continuum shapes of high redshift quasars from the Sloan Digital Sky Survey
- The radio structure of 3C 316, a galaxy with double-peaked narrow optical emission lines
- The Quasar Pair Q 1634+267 A, B and the Binary QSO vs. Dark Lens Hypotheses
- SDSS J124602.54+011318.8: A Highly Luminous Optical Transient at z=0.385
- On the nature of the FBS blue stellar objects and the completeness of the bright quasar survey
- Polarization Insights for Active Galactic Nuclei
- The Optical/Near-IR Colors of Broad Absorption Line Quasars, Including the Candidate Radio-Loud BAL Quasar 1556+3517
- Observations of QSO J2233-606 in the Southern Hubble Deep Field
- Strong CaII absorption lines in the reddened quasar SDSS J23390912: Evidence of the collision/merger in the host galaxy?
- Infrared Imaging of SDSS Quasars: Implications for the Quasar K correction
- Revisiting the Completeness and the Luminosity Function in High-Redshift Low-Luminosity Quasar Surveys
- IRAS F13308+5946: A Possible Transition Phase From Type I ULIRG To Optical Quasar
- A Study of Active Galactic Nuclei in Low Surface Brightness Galaxies with Sloan Digital Sky Survey Spectroscopy
- Red Parkes-Quasars: Evidence for Soft X-ray Absorption
- A Sample Bias in Quasar Variability Studies
- Characterization of the continuum and kinematical properties of nearby NLS1
- An Extremely Red Nucleus in an Absorbed QSO at z=0.65
- Optical identification of radio-loud active galactic nuclei in the ROSAT-Green-Bank sample with SDSS spectroscopy