Molecular Gas in 3C 293: The First Detection of CO Emission and Absorption in an F-R II Radio Galaxy
arXiv:astro-ph/9810159 · doi:10.1086/306717
Abstract
The first detection of CO emission in a Fanaroff-Riley Class II (i.e., edge-brightened radio morphology) radio galaxy is presented. Multi- wavelength (0.36-2.17 micron) imaging of 3C 293 shows it to be a disk galaxy with an optical jet or tidal tail extending towards what appears to be a companion galaxy 28 kpc away via a low surface brightness envelope. The molecular gas appears to be distributed in an asymmetric disk rotating around an unresolved continuum source, which is presumably emission from the AGN. A narrow (approx 60 km/s) absorption feature is also observed in the CO spectrum and is coincident with the continuum source. Using the standard CO conversion factor, the molecular gas mass is calculated to be 1.5x10^10 M_sun, several times the molecular gas mass of the Milky Way. The high concentration of molecular gas within the central 3 kpc of 3C 293, combined with the multiwavelength morphological peculiarities, support the idea that the radio activity has been triggered by a gas-rich galaxy-galaxy interaction or merger event.
LaTex, 8 pages with 2 postscript and 2 jpg figures, ApJ, in press
References in corpus (2)
Cited by in corpus (54)
- The detection of molecular gas in the central galaxies of cooling-flow clusters
- The molecular gas in Luminous Infrared Galaxies I: CO lines, extreme physical conditions, and their drivers
- The molecular gas in Luminous Infrared Galaxies II: extreme physical conditions, and their effects on the X_{co} factor
- Jet-Powered Molecular Hydrogen Emission from Radio Galaxies
- Energetics of the molecular gas in the H_2 luminous radio galaxy 3C 326: Evidence for negative AGN feedback
- Jet reorientation in AGN: two winged radio galaxies
- Strong molecular hydrogen emission and kinematics of the multiphase gas in radio galaxies with fast jet-driven outflows
- Suppression of Star Formation in NGC 1266
- Fast outflow of neutral hydrogen in the radio galaxy 3C293
- A jet-induced outflow of warm gas in 3C 293
- X-shaped radio galaxies as observational evidence for the interaction of supermassive binary black holes and accretion disk at pc scale
- Molecular Gas and Nuclear Activity in Radio Galaxies Detected by IRAS
- TANGO I: ISM in nearby radio galaxies. Molecular gas
- CO Spectral Line Energy Distributions of IR-luminous galaxies and AGN
- A gas-rich nuclear bar fuelling a powerful central starburst in NGC 2782
- On the origin of X-shaped radio galaxies
- Molecular Gas in the Powerful Radio Nucleus of the Ultraluminous Infrared Galaxy PKS 1345+12
- Turbulent and fast motions of H2 gas in active galactic nuclei
- Timescales of merger, starburst and AGN activity in radio galaxy B2 0648+27
- Lighting the dark molecular gas: H as a direct tracer
- High resolution imaging of the radio continuum and neutral gas in the inner kiloparsec of the radio galaxy 3C293
- Jet-driven outflows of ionised gas in the nearby radio galaxy 3C293
- Jet-ISM Interaction in the Radio Galaxy 3C293: Jet-driven Shocks Heat ISM to Power X-ray and Molecular H2 emission
- The Jet and Circumnuclear Environment of 3C 293
- Molecular Gas in the Powerful Radio Galaxies 3C~31 and 3C~264: Major or Minor Mergers?
- High-excitation molecular gas in local luminous AGN hosts
- Disk, merger, or outflow ? Molecular gas kinematics in two powerful obscured QSOs at z>3.4
- Restarting activity in the nucleus of PBC J2333.9-2343: an extreme case of jet realignment
- Physics of Coevolution of Galaxies and Supermassive Black Holes
- A radio study of the double-double radio galaxy 3C293
- Molecular absorptions in high-z objects
- Dynamical analysis of the complex radio structure in 3C 293: Clues on a rapid jet realignment in X-shaped radio galaxies
- Fueling the central engine of radio galaxies. III. Molecular gas and star formation efficiency of 3C 293
- Discovery of a luminous water megamaser in the FRII radiogalaxy 3C403
- The parsec-scale HI outflows in powerful radio galaxies
- Millimeter Wave Observations of the Core-Jet and Molecular Gas in the FR I Radio Galaxy NGC 3801
- Far-Infrared/Millimetre Emission in 3C Ssources. Dust in Radio Galaxies and Quasars
- A search for molecular gas in restarting radio galaxies
- Unmasking the history of 3C 293 with LOFAR sub-arcsecond imaging
- Active Disk Building in a local HI-Massive LIRG: The Synergy between Gas, Dust, and Star Formation
- The Dynamics and Energetics of Remnant and Restarting RLAGN
- CGCG 292-057 - a radio galaxy with merger-modulated radio activity
- Formation and evolution of dusty starburst galaxies I. A new method for deriving spectral energy distribution
- B2 0648+27: a radio galaxy in a major merger
- SGRS J0515-8100: a Fat-Double giant radio galaxy
- A Search for Molecular Gas in GHz Peaked Spectrum Radio Sources
- Spatially resolved observations of outflows in the radio loud AGN of UGC 8782
- Detections of 21-cm absorption with a blind FAST survey at z 0.09
- Redshifts for a Sample of Radio-Selected Poor Clusters
- Star Formation in the Radio Galaxy NGC 4410A
- Ground-state 12CO emission and a resolved jet at 115 GHz (rest-frame) in the radio loud quasar 3C318
- Gas and Dust in Protogalaxies
- Interferometer observations of molecular gas in radio galaxies
- Probing the obscuring medium around active nuclei using masers: The case of 3C403