Skip to main content
OSTI.GOVU.S. Department of Energy Office of Scientific and Technical Information
U.S. Department of Energy
Office of Scientific and Technical Information
 

TOMOGRAPHY OF THE FERMI-LAT γ-RAY DIFFUSE EXTRAGALACTIC SIGNAL VIA CROSS CORRELATIONS WITH GALAXY CATALOGS

Journal Article · · The Astrophysical Journal. Supplement Series (Online)
 [1];  [2];  [3];  [4]
  1. Chinese Academy of Sciences, Beijing (China). Key Laboratory of Particle Astrophysics, Institute of High Energy Physics; Collaborative Innovation Center of Modern Astronomy and Space Exploration (China)
  2. Univ. of Torino (Italy). Department of Physics; Istituto Nazionale di Fisica Nucleare, Torino (Italy); Stockholm Univ. (Sweden). AlbaNova University Center
  3. Roma Tre University (Italy). Department of Mathematics and Physics; INFN, Sezione di Roma Tre (Italy); INAF, Osservatorio Astronomico di Roma (Italy)
  4. INAF Osservatorio Astronomico di Trieste (Italy); INFN, Sezione di Trieste (Italy)
+ Show Author Affiliations
Building on our previous cross-correlation analysis (Xia et al. 2011) between the isotropic γ-ray background (IGRB) and different tracers of the large-scale structure of the universe, we update our results using 60 months of data from the Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescope (Fermi). For this study, we perform a cross-correlation analysis both in configuration and spherical harmonics space between the IGRB and objects that may trace the astrophysical sources of the IGRB: QSOs in the Sloan Digital Sky Survey (SDSS) DR6, the SDSS DR8 Main Galaxy Sample, luminous red galaxies (LRGs) in the SDSS catalog, infrared-selected galaxies in the Two Micron All Sky Survey (2MASS), and radio galaxies in the NRAO VLA Sky Survey (NVSS). The benefit of correlating the Fermi-LAT signal with catalogs of objects at various redshifts is to provide tomographic information on the IGRB, which is crucial in separating the various contributions and clarifying its origin. The main result is that, unlike in our previous analysis, we now observe a significant (>3.5σ) cross-correlation signal on angular scales smaller than 1° in the NVSS, 2MASS, and QSO cases and, at lower statistical significance (~3.0σ), with SDSS galaxies. The signal is stronger in two energy bands, E > 0.5 GeV and E > 1 GeV, but it is also seen at E > 10 GeV. No cross-correlation signal is detected between Fermi data and the LRGs. These results are robust against the choice of the statistical estimator, estimate of errors, map cleaning procedure, and instrumental effects. Finally, we test the hypothesis that the IGRB observed by Fermi-LAT originates from the summed contributions of three types of unresolved extragalactic sources: BL Lacertae objects (BL Lacs), flat spectrum radio quasars (FSRQs), and star-forming galaxies (SFGs). Finally, we find that a model in which the IGRB is mainly produced by SFGs ($$72_{-37}^{+23}$$% with 2σ errors), with BL Lacs and FSRQs giving a minor contribution, provides a good fit to the data. We also consider a possible contribution from misaligned active galactic nuclei, and we find that, depending on the details of the model and its uncertainty, they can also provide a substantial contribution, partly degenerate with the SFG one.
Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1355175
Alternate ID(s):
OSTI ID: 22872403
Journal Information:
The Astrophysical Journal. Supplement Series (Online), Journal Name: The Astrophysical Journal. Supplement Series (Online) Journal Issue: 1 Vol. 217; ISSN 1538-4365
Publisher:
American Astronomical Society/IOPCopyright Statement
Country of Publication:
United States
Language:
English

References (109)

Radio and millimeter continuum surveys and their astrophysical implications journal October 2009
Halo models of large scale structure journal December 2002
Limits and confidence intervals in the presence of nuisance parameters
  • Rolke, Wolfgang A.; López, Angel M.; Conrad, Jan
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 551, Issue 2-3 https://doi.org/10.1016/j.nima.2005.05.068
journal October 2005
Anisotropies in the diffuse gamma-ray background measured by the Fermi-LAT
  • Cuoco, A.; Linden, T.; Mazziotta, M. N.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 692 https://doi.org/10.1016/j.nima.2011.12.093
journal November 2012
The radio luminosity function from the low-frequency 3CRR, 6CE and 7CRS complete samples journal April 2001
Quantifying angular clustering in wide-area radio surveys journal December 2002
Stable clustering, the halo model and non-linear cosmological power spectra journal June 2003
Mid- and far-infrared luminosity functions and galaxy evolution from multiwavelength Spitzer observations up to z  ~ 2.5 journal May 2010
The spatial clustering of radio sources in NVSS and FIRST; implications for galaxy clustering evolution journal June 2003
High-Energy Cosmic Gamma-Ray Observations from the OSO-3 Satellite journal October 1972
High-Energy Cosmic Gamma-Ray Observations from the OSO-3 Satellite journal November 1973
Bias and variance of angular correlation functions journal July 1993
The Gamma-Ray Background from Blazars: A New Look journal June 1996
Celestial Diffuse Gamma Radiation above 30 MeV Observed by SAS-2 journal December 1973
The autocorrelation properties of fluctuations in the cosmic X-ray background journal January 1989
The NRAO VLA Sky Survey journal May 1998
2MASS Extended Sources in the Zone of Avoidance journal July 2000
EGRET Observations of the Extragalactic Gamma‐Ray Emission journal February 1998
Maps of Dust Infrared Emission for Use in Estimation of Reddening and Cosmic Microwave Background Radiation Foregrounds journal June 1998
Efficient Computation of Cosmic Microwave Background Anisotropies in Closed Friedmann‐Robertson‐Walker Models journal August 2000
Fast Analysis of Inhomogenous Megapixel Cosmic Microwave Background Maps journal November 2001
Analysis of Systematic Effects and Statistical Uncertainties in Angular Clustering of Galaxies from Early Sloan Digital Sky Survey Data journal November 2002
A New Determination of the Extragalactic Diffuse Gamma‐Ray Background from EGRET Data journal October 2004
Efficient Photometric Selection of Quasars from the Sloan Digital Sky Survey: 100,000 z < 3 Quasars from Data Release One
  • Richards, Gordon T.; Nichol, Robert C.; Gray, Alexander G.
  • The Astrophysical Journal Supplement Series, Vol. 155, Issue 2 https://doi.org/10.1086/425356
journal December 2004
HEALPix: A Framework for High‐Resolution Discretization and Fast Analysis of Data Distributed on the Sphere journal April 2005
First Measurement of the Clustering Evolution of Photometrically Classified Quasars journal February 2006
Statistics of Cosmological Black Hole Jet Sources: Blazar Predictions for the Gamma-Ray Large Area Space Telescope journal April 2007
THE LARGE AREA TELESCOPE ON THE FERMI GAMMA-RAY SPACE TELESCOPE MISSION journal May 2009
THE BLAZAR SEQUENCE AND THE COSMIC GAMMA-RAY BACKGROUND RADIATION IN THE FERMI ERA journal August 2009
THE FERMI -LAT HIGH-LATITUDE SURVEY: SOURCE COUNT DISTRIBUTIONS AND THE ORIGIN OF THE EXTRAGALACTIC DIFFUSE BACKGROUND journal August 2010
Contribution from Star-Forming Galaxies to the Cosmic Gamma-Ray Background Radiation journal February 2011
CONTRIBUTION OF GAMMA-RAY-LOUD RADIO GALAXIES’ CORE EMISSIONS TO THE COSMIC MeV AND GeV GAMMA-RAY BACKGROUND RADIATION journal May 2011
FERMI LARGE AREA TELESCOPE OBSERVATIONS OF TWO GAMMA-RAY EMISSION COMPONENTS FROM THE QUIESCENT SUN journal June 2011
Components of the Extragalactic Gamma-Ray Background journal July 2011
FERMI -LAT OBSERVATIONS OF THE DIFFUSE γ-RAY EMISSION: IMPLICATIONS FOR COSMIC RAYS AND THE INTERSTELLAR MEDIUM journal April 2012
THE LUMINOSITY FUNCTION OF FERMI -DETECTED FLAT-SPECTRUM RADIO QUASARS journal May 2012
GeV OBSERVATIONS OF STAR-FORMING GALAXIES WITH THE FERMI LARGE AREA TELESCOPE journal August 2012
FERMI OBSERVATIONS OF γ-RAY EMISSION FROM THE MOON journal October 2012
Clustering of Sloan Digital sky Survey iii Photometric Luminous Galaxies: the Measurement, Systematics, and Cosmological Implications journal November 2012
DETERMINATION OF THE POINT-SPREAD FUNCTION FOR THE FERMI LARGE AREA TELESCOPE FROM ON-ORBIT DATA AND LIMITS ON PAIR HALOS OF ACTIVE GALACTIC NUCLEI journal February 2013
THE COSMIC EVOLUTION OF FERMI BL LACERTAE OBJECTS journal December 2013
Diffuse γ-Ray Emission from Misaligned Active Galactic Nuclei journal December 2013
DIFFUSE PIONIC GAMMA-RAY EMISSION FROM LARGE-SCALE STRUCTURES IN THE FERMI ERA journal February 2014
THE SPECTRUM AND MORPHOLOGY OF THE FERMI BUBBLES journal September 2014
THE SPECTRUM OF ISOTROPIC DIFFUSE GAMMA-RAY EMISSION BETWEEN 100 MeV AND 820 GeV journal January 2015
Efficient Photometric Selection of Quasars from the Sloan Digital sky Survey. ii. ∼1, 000, 000 Quasars from data Release 6 journal December 2008
The Eighth data Release of the Sloan Digital sky Survey: First data from Sdss-Iii journal March 2011
FERMI LARGE AREA TELESCOPE SECOND SOURCE CATALOG journal March 2012
THE FERMI LARGE AREA TELESCOPE ON ORBIT: EVENT CLASSIFICATION, INSTRUMENT RESPONSE FUNCTIONS, AND CALIBRATION journal October 2012
The case for a low extragalactic gamma-ray background journal April 2004
The high redshift Integrated Sachs-Wolfe effect journal September 2009
Dissecting the gamma-ray background in search of dark matter journal February 2014
Primordial Non-Gaussianity and the nrao vla sky Survey journal June 2010
A Novel Approach in the Weakly Interacting Massive Particle Quest: Cross-Correlation of Gamma-Ray Anisotropies and Cosmic Shear journal June 2013
Radio-loud AGN and the extragalactic gamma-ray background journal January 1993
Clustering, bias and the accretion mode of X-ray-selected AGN journal October 2012
The SDSS-III Baryonic Oscillation Spectroscopic Survey: constraints on the integrated Sachs–Wolfe effect journal December 2013
The Herschel★ PEP/HerMES luminosity function – I. Probing the evolution of PACS selected Galaxies to z ≃ 4 journal April 2013
Galaxy and Mass Assembly: the evolution of bias in the radio source population to z∼1.5 journal March 2014
Prospects for a Very High-Energy Blazar Survey by the Next-Generation Cherenkov Telescopes journal August 2010
Cross-correlation of the cosmic microwave background with the 2MASS galaxy survey: Signatures of dark energy, hot gas, and point sources journal April 2004
Angular signatures of annihilating dark matter in the cosmic gamma-ray background journal June 2008
Combined analysis of the integrated Sachs-Wolfe effect and cosmological implications journal June 2008
Anisotropies in the diffuse gamma-ray background measured by the Fermi LAT journal April 2012
Joint anisotropy and source count constraints on the contribution of blazars to the diffuse gamma-ray background journal September 2012
Constraints on the annihilation cross section of dark matter particles from anisotropies in the diffuse gamma-ray background measured with Fermi-LAT journal June 2013
Cross correlation of cosmic shear and extragalactic gamma-ray background: Constraints on the dark matter annihilation cross section journal September 2014
Spectrum of the Isotropic Diffuse Gamma-Ray Emission Derived from First-Year Fermi Large Area Telescope Data journal March 2010
Excess Clustering on Large Scales in the MegaZ DR7 Photometric Redshift Survey journal June 2011
A maximum likelihood analysis of the low cosmic microwave background multipoles from the Wilkinson Microwave Anisotropy Probe journal March 2004
Myths and truths concerning estimation of power spectra: the case for a hybrid estimator journal April 2004
Fast estimation of polarization power spectra using correlation functions journal May 2004
Error analysis of quadratic power spectrum estimates for cosmic microwave background polarization: sampling covariance journal June 2005
Angular power spectrum of gamma-ray sources for GLAST: blazars and clusters of galaxies journal April 2007
Cross-correlation of 2MASS and WMAP 3: implications for the integrated Sachs-Wolfe effect journal May 2007
A Combined EIS–NVSS Survey Of Radio Sources (CENSORS) – III. Spectroscopic observations journal April 2008
A semi-empirical simulation of the extragalactic radio continuum sky for next generation radio telescopes journal June 2008
Modelling the cosmological co-evolution of supermassive black holes and galaxies - II. The clustering of quasars and their dark environment journal June 2009
Imprint of galaxy clustering in the cosmic gamma-ray background: Galaxy clustering in the gamma-ray background journal December 2009
A cross-correlation study of the Fermi-LAT γ-ray diffuse extragalactic signal: Cross-correlation study of Fermi EGB signal journal July 2011
Ameliorating systematic uncertainties in the angular clustering of galaxies: a study using the SDSS-III: Ameliorating systematic uncertainties in w(θ) journal September 2011
The significance of the integrated Sachs-Wolfe effect revisited: The significance of the ISW effect revisited journal October 2012
Contribution from Star-Forming Galaxies to the Cosmic Gamma-Ray Background Radiation conference June 2011
The Spectrum of Isotropic Diffuse Gamma-Ray Emission Between 100 MeV and 820 GeV text January 2015
Particle dark matter searches in the anisotropic sky journal January 2014
Combined analysis of the integrated Sachs-Wolfe effect and cosmological implications text January 2008
A Combined EIS-NVSS Survey Of Radio Sources (CENSORS) III: Spectroscopic observations text January 2008
A semi-empirical simulation of the extragalactic radio continuum sky for next generation radio telescopes text January 2008
Modeling the cosmological co-evolution of supermassive black holes and galaxies: II. The clustering of quasars and their dark environment text January 2008
Mid- and Far-infrared Luminosity Functions and Galaxy Evolution from Multiwavelength Spitzer Observations up to z~2.5 text January 2009
Primordial Non-Gaussianity and the NRAO VLA Sky Survey text January 2010
Contribution from Star-Forming Galaxies to the Cosmic Gamma-Ray Background Radiation text January 2010
Clustering of Sloan Digital Sky Survey III Photometric Luminous Galaxies: The Measurement, Systematics and Cosmological Implications text January 2012
Anisotropies in the diffuse gamma-ray background measured by the Fermi LAT text January 2012
Joint anisotropy and source count constraints on the contribution of blazars to the diffuse gamma-ray background text January 2012
Clustering, Bias and the Accretion Mode of X-ray selected AGN text January 2012
Diffuse Pionic Gamma-Ray Emission from Large Scale Structures in the FERMI Era text January 2012
Constraints on the annihilation cross section of dark matter particles from anisotropies in the diffuse gamma-ray background measured with Fermi-LAT text January 2013
The Cosmic Evolution of Fermi BL Lacertae Objects text January 2013
Dissecting the Gamma-Ray Background in Search of Dark Matter text January 2013
Galaxy and Mass Assembly (GAMA): The evolution of bias in the radio source population to z ~ 1.5 text January 2014
The radio luminosity function from the low-frequency 3CRR, 6CE & 7CRS complete samples text January 2000
Stable clustering, the halo model and nonlinear cosmological power spectra text January 2002
Fast estimation of polarization power spectra using correlation functions text January 2003
The spatial clustering of radio sources in NVSS and FIRST; implications for galaxy clustering evolution text January 2003
The Case for a Low Extragalactic Gamma-ray Background text January 2003
HEALPix -- a Framework for High Resolution Discretization, and Fast Analysis of Data Distributed on the Sphere text January 2004
Cross-correlation of 2MASS and WMAP3: Implications for the Integrated Sachs-Wolfe effect text January 2006
Clustering of sloan digital sky survey iiI photometric luminous galaxies: the measurement, systematics, and cosmological implications text January 2012

Cited By (38)

Fundamental physics with the Square Kilometre Array journal January 2020
Cosmology with Phase 1 of the Square Kilometre Array Red Book 2018: Technical specifications and performance forecasts journal January 2020
Dark Matter Searches in the Gamma-Ray Extragalactic Background via Cross-Correlations with Galaxy Catalogs journal December 2015
WIMP dark matter candidates and searches—current status and future prospects journal May 2018
Tomographic-spectral approach for dark matter detection in the cross-correlation between cosmic shear and diffuse γ-ray emission journal June 2015
Constraining particle dark matter using local galaxy distribution journal June 2016
A case for radio galaxies as the sources of IceCube's astrophysical neutrino flux journal September 2016
Active galactic nuclei and the origin of IceCube's diffuse neutrino flux journal February 2019
Constraints on dark matter annihilation and decay from the isotropic gamma-ray background journal April 2017
Cross-correlation of weak lensing and gamma rays: implications for the nature of dark matter journal February 2017
The galactic isotropic γ-ray background and implications for dark matter journal June 2018
Measurement of redshift-dependent cross-correlation of HSC clusters and Fermi γ-rays journal February 2019
Searching for gamma-ray emission from galaxy clusters at low redshift journal November 2019
Smallest halos in thermal wino dark matter journal December 2019
Cosmological constraints on dark matter annihilation and decay: Cross-correlation analysis of the extragalactic γ -ray background and cosmic shear journal September 2016
Angular power spectrum of the diffuse gamma-ray emission as measured by the Fermi Large Area Telescope and constraints on its dark matter interpretation journal December 2016
Updated tomographic analysis of the integrated Sachs-Wolfe effect and implications for dark energy journal March 2018
Robust constraints and novel gamma-ray signatures of dark matter that interacts strongly with nucleons journal June 2018
Correlation of extragalactic γ rays with cosmic matter density distributions from weak gravitational lensing journal June 2018
Characterizing the local gamma-ray Universe via angular cross-correlations journal November 2018
Strong Support for the Millisecond Pulsar Origin of the Galactic Center GeV Excess journal February 2016
Unresolved Gamma-Ray Sky through its Angular Power Spectrum journal December 2018
Detection of Cross-Correlation between Gravitational Lensing and γ Rays journal March 2020
Unresolved Gamma-Ray Sky through its Angular Power Spectrum text January 2018
WISE × SuperCOSMOS PHOTOMETRIC REDSHIFT CATALOG: 20 MILLION GALAXIES OVER 3 π STERADIANS journal July 2016
Planck Lensing and Cosmic Infrared Background Cross-correlation with Fermi -LAT: Tracing Dark Matter Signals in the Gamma-Ray Background journal February 2017
CROSS-CORRELATING THE γ -RAY SKY WITH CATALOGS OF GALAXY CLUSTERS journal January 2017
Dark matter searches in the gamma-ray extragalactic background via cross-correlations with galaxy catalogues text January 2015
A Case for Radio Galaxies as the Sources of IceCube's Astrophysical Neutrino Flux text January 2016
WISE x SuperCOSMOS photometric redshift catalog: 20 million galaxies over 3pi steradians text January 2016
Cosmological constraints on dark matter annihilation and decay: Cross-correlation analysis of the extragalactic $γ$-ray background and cosmic shear text January 2016
Planck Lensing and Cosmic Infrared Background Cross-Correlation with Fermi-LAT: Tracing Dark Matter Signals in the Gamma-Ray Background text January 2016
Cross-correlation of weak lensing and gamma rays: implications for the nature of dark matter text January 2016
WIMP dark matter candidates and searches - current status and future prospects text January 2017
An Updated Tomographic Analysis of the Integrated Sachs-Wolfe Effect and implications for Dark Energy text January 2017
Fundamental Physics with the Square Kilometre Array text January 2018
Cosmology with Phase 1 of the Square Kilometre Array; Red Book 2018: Technical specifications and performance forecasts text January 2018
Detection of cross-correlation between gravitational lensing and gamma rays text January 2019

Similar Records

Tomography of the Fermi-lat γ-ray diffuse extragalactic signal via cross correlations with galaxy catalogs
Journal Article · Sat Feb 28 23:00:00 EST 2015 · Astrophysical Journal, Supplement Series · OSTI ID:22872403
A cross-correlation study of the Fermi-LAT γ-ray diffuse extragalactic signal
Journal Article · Sun Sep 11 20:00:00 EDT 2011 · Monthly Notices of the Royal Astronomical Society · OSTI ID:1357203
Tomographic Imaging of the Fermi-LAT γ-Ray Sky through Cross-correlations: A Wider and Deeper Look
Journal Article · Fri Sep 01 00:00:00 EDT 2017 · Astrophysical Journal, Supplement Series · OSTI ID:22872555

Related Subjects

79 ASTRONOMY AND ASTROPHYSICS