Multiwavelength study of the bright X-ray source population in the interacting galaxies NGC5774/NGC5775

Abstract

A few nearby interacting galaxies are known that host elevated number of ultraluminous X-ray sources. Here we report the results of a multiwavelength study of the X-ray source population in the field of the interacting pair of galaxies NGC5774/NGC5775. A total of 49 discrete sources are detected, including 12 ultraluminous X-ray source candidates. X-ray source positions are mapped onto optical and radio images to search for potential counterparts. Twelve sources in the field have optical counterparts. Optical colors are used to differentiate these sources, which are mostly located outside the optical extent of the interacting galaxies, as potential globular clusters (2), one compact blue dwarf galaxy and quasars (5). We obtained optical spectra of two of the latter, which confirm that they are background quasars. We expect 3 background sources in the field of these two galaxies. These results are used to determine the true X-ray population of these two interacting galaxies, which are connected with two bridges. Two high mass X-ray binaries are detected on these two bridges suggesting their formation through the interaction-induced starformation episode.

62 pages, 22 figures. The Astronomical Journal (accepted)

References in corpus (125)

• Wilkinson Microwave Anisotropy Probe (WMAP) Three Year Results: Implications for Cosmology
• X-ray Properties of Black-Hole Binaries
• A Search for "Dwarf" Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies
• A fundamental plane of black hole activity
• Are Gamma-Ray Bursts in Star Forming Regions?
• Massive Black Holes as Population III Remnants
• A Scheme to Unify Low-Power Accreting Black Holes - Jet-Dominated Accretion Flows and the Radio/X-Ray Correlation
• The formation of massive black holes through collision runaway in dense young star clusters
• A universal radio/X-ray correlation in low/hard state black hole binaries
• The runaway growth of intermediate-mass black holes in dense star clusters
• High Mass X-ray Binaries as a Star Formation Rate Indicator in Distant Galaxies
• The Nature of Accreting Black Holes in Nearby Galaxy Nuclei
• Theoretical Black Hole Mass Distributions
• Super-critically accreting stellar-mass black holes as ultraluminous X-ray sources
• The Nature of Ultra-Luminous Compact X-Ray Sources in Nearby Spiral Galaxies
• Production of Intermediate-Mass Black Holes in Globular Clusters
• SDSS Data Management and Photometric Quality Assessment
• Radio / X-ray correlation in the low/hard state of GX 339--4
• Super-Eddington Fluxes from Thin Accretion Disks?
• Starburst-driven galactic winds: I. Energetics and intrinsic X-ray emission
• Black Hole Winds
• X-ray source populations in galaxies
• The Milky Way in X-rays for an outside observer: Log(N)-Log(S) and Luminosity Function of X-ray binaries from RXTE/ASM data
• The Ultra-Luminous X-ray Source Population from the Chandra Archive of Galaxies
• Missing Link Found? --- The ``runaway'' path to supermassive black holes
• X-ray Spectroscopic Evidence for Intermediate Mass Black Holes: Cool Accretion Disks in Two Ultra--Luminous X-ray Sources
• XMM-Newton observations of the brightest Ultraluminous X-ray sources
• Chandra High-Resolution Camera Observations of the Luminous X-Ray Source in the Starburst Galaxy M82
• Runaway collisions in young star clusters. II. Numerical results
• Chandra Observations of "The Antennae" Galaxies (NGC 4038/39)
• Discovery of X-ray QPOs from an Ultra-luminous X-ray Source in M82: Evidence Against Beaming
• Colors of 2625 Quasars at 0<z<5 Measured in the Sloan Digital Sky Survey Photometric System
• A ROSAT HRI survey of bright nearby galaxies
• Metallicity and Nuclear Star Formation in Nearby Galaxy Pairs: Evidence for Tidally Induced Gas Flows
• Old and Young X-ray Point Source Populations in Nearby Galaxies
• Population X: Are the super-Eddington X-ray sources beamed jets in microblazars or intermediate mass black holes?
• Chandra observations of NGC 253: New insights into the nature of starburst-driven superwinds
• A Catalog of Candidate Intermediate-luminosity X-ray Objects
• A Comparison of Intermediate Mass Black Hole Candidate ULXs and Stellar-Mass Black Holes
• High Resolution Imaging of the HeII lambda 4686 Emission Line Nebula Associated with the Ultraluminous X-Ray Source in Holmberg II
• The Colors of Dwarf Elliptical Galaxy Globular Cluster Systems, Nuclei and Stellar Halos
• Radio Emission from an Ultraluminous X-Ray Source
• Non-Nuclear Hyper/Ultraluminous X-Ray Sources in the Starbursting Cartwheel Ring Galaxy
• Chandra Observations of the Luminous IR Galaxy NGC3256
• Photon Bubbles in Accretion Discs
• The Spitzer Spirals, Bridges, and Tails Interacting Galaxy Survey: Interaction-Induced Star Formation in the Mid-Infrared
• External Compton emission from relativistic jets in Galactic black hole candidates and ultraluminous X-ray sources
• XMM-Newton Archival Study of the ULX Population in Nearby Galaxies
• Quasi-Periodic Variability in NGC 5408 X-1
• Chandra X-ray Observations of the Spiral Galaxy M81
• A Mini-survey of X-ray Point Sources in Starburst and Non-Starburst Galaxies
• Black Hole Mass of the Ultraluminous X-ray source M82 X-1
• The star-forming environment of a ULX in NGC 4559: an optical study
• High Resolution Spectroscopy of the X-ray Photoionized Wind in Cygnus X-3 with the Chandra High Energy Transmission Grating Spectrometer
• XMM-Newton Observations of Ultraluminous X-Ray Sources in Nearby Galaxies
• The Chandra Multiwavelength Project: Optical Followup of Serendipitous Chandra Sources
• Probable intermediate mass black holes in NGC4559: XMM-Newton spectral and timing constraints
• The unusual supernova remnant surrounding the ultraluminous X-ray source IC 342 X-1
• Spectral State Transitions of the Ultraluminous X-ray Sources X-1 and X-2 in NGC 1313
• Intrinsic Curvature in the X-ray Spectra of BL Lacertae Objects
• Chandra Discovery of Luminous Supersoft X-Ray Sources in M81
• An Optical Study of Stellar and Interstellar Environments of Seven Luminous and Ultraluminous X-Ray Sources
• A Chandra observation of the interacting pair of galaxies NGC 4485/NGC 4490
• On the weakness of disc models in bright ULXs
• The X-ray Evolution of Merging Galaxies
• A variable Quasi-Periodic Ocillation in M82 X-1. Timing and spectral analysis of XMM-Newton and RossiXTE observations
• Spectroscopy of Optical Counterparts of Ultraluminous X-ray Sources
• A transition to a low/soft state in the ultra-luminous compact X-ray source Holmberg II X-1
• XMM-Newton EPIC observations of the ultraluminous X-ray source NGC 5204 X-1
• Chandra Observations of "The Antennae" Galaxies (NGC 4038/39): II. Detection and Analysis of Galaxian X-ray source
• Radio Emission Associated with the ULX in Holmberg II
• A Chandra Study of the Circinus Galaxy Point-Source Population
• Ultra-Luminous Sources in Nearby Galaxies
• A dipping black-hole X-ray binary candidate in NGC 55
• A Radio Nebula Surrounding the Ultra-luminous X-ray Source in NGC 5408
• Evidence for an Intermediate-Mass Black Hole: Chandra and XMM-Newton Observations of the Ultraluminous Supersoft X-ray Source in M101 during its 2004 Outburst
• Optical Counterparts of Ultra-Luminous X-ray Sources identified from Archival Hubble Space Telescope/WFPC2
• Tidal Capture of Stars by Intermediate-Mass Black Holes
• Ultraluminous X-ray Source 1E 0953.8+6918 (M81 X-9): An Intermediate Mass Black Hole Candidate and its Environs
• Stellar Clusters in NGC 1313: Evidence for Infant Mortality
• X-ray flares from the ultra-luminous X-ray source in NGC 5408
• NGC 5775: anatomy of a disk-halo interface
• A ULX microquasar in NGC 5408?
• Detection of X-ray-Emitting Hypernova Remnants in M101
• Poststarburst Models of LINERs
• Models of the Morphology, Kinematics, and Star Formation History of the Prototypical Collisional Starburst System: NGC 7714/7715 = Arp 284
• Photon Bubbles and the Vertical Structure of Accretion Disks
• Optical Counterparts of Ultra Luminous X-ray Sources
• Optical Counterparts of Ultraluminous X-Ray Sources
• An Unusual Spectral State of an Ultra-luminous Very Soft X-ray Source during Outburst
• The X-ray Properties of M101 ULX-1 = CXOKM101 J140332.74+542102
• Chandra monitoring observations of the ultraluminous X-ray source NGC 5204 X-1
• Radio Emission Associated with Ultraluminous X-ray Sources in the Galaxy Merger NGC 3256
• A Radio Monitoring Survey of Ultra-Luminous X-Ray Sources
• X-ray and optical variability of the ultraluminous X-ray source NGC 1313 X-2
• An Ultra-luminous X-Ray Object with a 2 hour period in M51
• The connection between shear and star formation in spiral galaxies
• The eclipsing massive X-ray binary M33 X-7: New X-ray observations and optical identification
• A Stringent Limit on the Accretion Luminosity of the Possible Central Black Hole in the Globular Cluster M15
• A Possible X-Ray Periodicity at Several Tens Hours of a Ultra-Luminous Compact X-Ray Source in IC 342
• Chandra Observations of the Mice
• [OIII] 5007 Emission from the Black-Hole X-ray Binary in a NGC 4472 Globular Cluster
• Kinematics of the ionized gas in the Local Group irregular galaxy IC 1613
• Elemental Abundances of Nearby Galaxies through High Signal-to-Noise XMM-Newton Observations of ULXs
• On the Nature of the Bright Short-Period X-ray Source in the Circinus Galaxy Field
• VLT Observations of the Ultraluminous X-ray Source NGC 1313 X-2
• A variable ultra-luminous X-ray source in the colliding galaxy NGC 7714
• Non-LTE Spectra of Accretion Disks Around Intermediate-Mass Black Holes
• XMM-Newton Spectroscopy of Bright ULX Sources in the Antennae Galaxies (NGC 4038/4039)
• A Two Hour Quasi-Period in an Ultra-luminous X-Ray source in NGC628
• New optical spectra and general discussion on the nature of ULX's
• The Nature of Ultra Luminous X-ray Sources
• The Eclipsing ULX in NGC 3379
• Optical Spectroscopy of the environment of a ULX in NGC 7331
• On the artificial nature of aperiodic variability in XMM-Newton observations of M31 X-ray sources and the ultraluminous X-ray source NGC 4559 ULX-7
• The minimum orbital period in thermal-timescale mass transfer
• The Unusual Spectrum of the Ultra Luminous X-ray Source, M82 X-1
• A Fallback Disk Model for Ultraluminous X-ray Sources
• Chandra Observations of the Interacting Galaxies NGC 3395/3396 (Arp 270)
• Massive star clusters in ongoing galaxy interactions -- clues to cluster formation
• Discovery of a 3.6-hr Eclipsing Luminous X-Ray Binary in the Galaxy NGC 4214
• A fundamental plane of black hole activity: pushing forward the unification scheme
• RX J004717.4-251811: The first eclipsing X-ray binary outside the Local Group
• The Lack of Halo Ultraluminous X-ray Sources
• ROSAT/Chandra Observations of a Bright Transient in M81

Cited by in corpus (6)

• The large scale magnetic field structure of the spiral galaxy NGC 5775
• AMUSE-Field I: Nuclear X-ray Properties of Local Field and Group Spheroids across the Stellar Mass Scale
• The hyperluminous X-ray source candidate in IC 4320: another HLX bites the dust
• Hard and soft spectral states of ULXs
• CHANG-ES XXXII: Spatially Resolved Thermal/Nonthermal Separation from Radio Data Alone -- New Probes into NGC 3044 and NGC 5775
• A search for radio counterparts to Chandra ULX candidates