Obscured Binary Quasar Cores in SDSS J104807.74+005543.5?

@article{Zhou2004ObscuredBQ,
  title={Obscured Binary Quasar Cores in SDSS J104807.74+005543.5?},
  author={Hongyan Zhou and Tinggui Wang and XueGuang Zhang and Xiaobo Dong and Cheng Li},
  journal={The Astrophysical Journal},
  year={2004},
  volume={604}
}
We report the discovery of a possible close binary system of quasars in SDSS J1048+0055. The [O III] λλ4959, 5007 emission lines are clearly double-peaked, and two discrete radio sources with a projected physical separation of ~20 pc are found in the Very Long Baseline Array milliarcsecond resolution image at 8.4 GHz. Each of the [O III] λλ4959, 5007 doublets and Hβ can be well modeled by two Gaussians, and the line ratio [O III] λ5007/Hβ ~ 7 is typical of Seyfert 2 galaxies. No broad component… 

Figures and Tables from this paper

Narrow Double-Peaked Emission Lines of SDSS J131642.90+175332.5: Signature of a Single or a Binary AGN in a Merger, Jet-Cloud Interaction, or Unusual Narrow-Line Region Geometry
We present an analysis of the active galaxy SDSS J131642.90+175332.5, which is remarkable because all of its narrow emission lines are double-peaked, and because it additionally shows an extra broad
Quasar SDSS J142507.32+323137.4: dual AGNs?
We analyze the optical spectrum of type 1 QSO SDSS J1425+3231.This object is interesting since its narrow emission lines,such as O IIIλλ4959,5007,are double-peaked,and the line structure can be
A SEARCH FOR BINARY ACTIVE GALACTIC NUCLEI: DOUBLE-PEAKED [O III] AGNs IN THE SLOAN DIGITAL SKY SURVEY
We present active galactic nuclei (AGNs) from the Sloan Digital Sky Survey (SDSS) having double-peaked profiles of [O III]λλ5007, 4959 and other narrow emission lines, motivated by the prospect of
Jet-powered Outflows in Supermassive Black Hole Binary Candidate SDSS J1048+0055
The search and study of close pairs of supermassive black holes (SMBHs) is important in the study of galaxy mergers which can possibly trigger active galactic nucleus (AGN) activity, and in the
THE JET-DRIVEN OUTFLOW IN THE RADIO GALAXY SDSS J1517+3353: IMPLICATIONS FOR DOUBLE-PEAKED NARROW-LINE ACTIVE GALACTIC NUCLEUS
We report on the study of an intriguing active galaxy that was selected as a potential multiple supermassive black hole merger in the early-type host SDSS J151709.20+335324.7 (z = 0.135) from a
Very Long Baseline Array Imaging of Type 2 Seyferts with Double-Peaked Narrow Emission Lines: Searches for Sub-kpc Dual AGNs and Jet-Powered Outflows
This paper presents Very Long Baseline Array (VLBA) observations of 13 double-peaked [O III] emission-line type-2 Active Galactic Nuclei (AGNs) at redshifts 0.06 < z < 0.41 (with a median redshift of
A sub-kpc-scale binary active galactic nucleus with double narrow-line regions
We present the kinematic properties of a type-2 Quasi stellar object (QSO), SDSS J132323.33−015941.9 at z ∼ 0.35, based on the analysis of Very Large Telescope integral field spectroscopy and Hubble
Four dual AGN candidates observed with the VLBA
According to hierarchical structure formation models, merging galaxies are expected to be seen in different stages of their coalescence. However, currently there are no straightforward observational
Constraining Sub-parsec Binary Supermassive Black Holes in Quasars with Multi-epoch Spectroscopy. I. The General Quasar Population
We perform a systematic search for sub-parsec binary supermassive black holes (BHs) in normal broad-line quasars at z < 0.8, using multi-epoch Sloan Digital Sky Survey (SDSS) spectroscopy of the
...
...

References

SHOWING 1-10 OF 23 REFERENCES
4C +01.30: An X-shaped Radio Source with a Quasar Nucleus
The nature of X-shaped radio sources is interesting because of their possible relation to black hole mergers or the processing of binary black holes. In this paper we report the discovery of a new
Binary quasars
Quasar pairs are either physically distinct binary quasars or the result of gravitational lensing. The majority of known pairs are in fact lenses, with a few confirmed as binaries, leaving a
Kinematics of 10 early-type galaxies from Hubble Space Telescope and ground-based spectroscopy
We present stellar kinematics for a sample of 10 early-type galaxies observed using the Space Telescope Imaging Spectrograph (STIS) aboard the Hubble Space Telescope, and the Modular Spectrograph on
Discovery of a Binary Active Galactic Nucleus in the Ultraluminous Infrared Galaxy NGC 6240 Using Chandra
Ultraluminous infrared galaxies (ULIRGs) are outstanding due to their huge luminosity output in the infrared, which is predominantly powered by superstarbursts and/or hidden active galactic nuclei
The Sloan Digital Sky Survey Quasar Catalog. II. First Data Release
We present the second edition of the Sloan Digital Sky Survey (SDSS) Quasar Catalog. The catalog consists of the 16,713 objects in the SDSS First Data Release that have luminosities larger than Mi =
Galaxies with a central minimum in stellar luminosity density
We used Hubble Space Telescope WFPC2 images to identify six early-type galaxies with surface brightness profiles that decrease inward over a limited range of radii near their centers. The inferred
The VLBA Calibrator Survey—VCS1
A catalog containing milliarcsecond-accurate positions of 1332 extragalactic radio sources distributed over the northern sky is presented—the Very Long Baseline Array Calibrator Survey (VCS1). The
Supermassive Black Holes in Bulges
We present spatially extended gas kinematics at parsec-scale resolution for the nuclear regions of four nearby disk galaxies and model them as rotation of a gas disk in the joint potential of the
Orbital Motion in the Radio Galaxy 3C 66B: Evidence for a Supermassive Black Hole Binary
TLDR
Using the very-long-baseline interferometer, it is found that the unresolved radio core of 3C 66B shows well-defined elliptical motions with a period of 1.05 ± 0.03 years, which provides a direct detection of a supermassive black hole binary.
A Catalog of 1.4 GHz Radio Sources from the FIRST Survey
We present a catalog of 138,665 radio sources derived from the initial 1550 deg2 of the FIRST survey. The survey parameters are reviewed, and a map depicting the coverage for the first two observing
...
...