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Journal article
Measurement of the Extragalactic Background Light Spectral Energy Distribution with VERITAS
The Astrophysical journal, v 885(2), p150
10 Nov 2019
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Abstract
The extragalactic background light (EBL), a diffuse photon field in the optical and infrared range, is a record of radiative processes over the universe?s history. Spectral measurements of blazars at very high energies (>100 GeV) enable the reconstruction of the spectral energy distribution (SED) of the EBL, as the blazar spectra are modified by redshift- and energy-dependent interactions of the gamma-ray photons with the EBL. The spectra of 14 VERITAS-detected blazars are included in a new measurement of the EBL SED that is independent of EBL SED models. The resulting SED covers an EBL wavelength range of 0.56?56 ?m, and is in good agreement with lower limits obtained by assuming that the EBL is entirely due to radiation from cataloged galaxies.
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- Title
- Measurement of the Extragalactic Background Light Spectral Energy Distribution with VERITAS
- Creators
- A. U. Abeysekara - Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USAA. Archer - DePauw UniversityW. Benbow - Harvard & Smithsonian, Ctr Astrophys, Cambridge, MA 02138 USAR. Bird - Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USAA. Brill - Columbia Univ, Phys Dept, New York, NY 10027 USAR. Brose - Univ Potsdam, Inst Phys & Astron, D-14476 Potsdam, GermanyM. Buchovecky - Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USAD. Calderon-Madera - Calif State Univ East Bay, Dept Phys, Hayward, CA 94542 USAJ. L. Christiansen - Calif Polytech State Univ San Luis Obispo, Phys Dept, San Luis Obispo, CA 94307 USAW. Cui - Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USAM. K. Daniel - Harvard & Smithsonian, Ctr Astrophys, Cambridge, MA 02138 USAA. Falcone - Pennsylvania State UniversityQ. Feng - Columbia Univ, Phys Dept, New York, NY 10027 USAM. Fernandez-Alonso - CONICET UBA, IAFE, CC 67 Suc 28,C1428ZAA, Buenos Aires, DF, ArgentinaJ. P. Finley - Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USAL. Fortson - Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USAA. Furniss - Calif State Univ East Bay, Dept Phys, Hayward, CA 94542 USAA. Gent - Georgia Inst Technol, Sch Phys, 837 State St NW, Atlanta, GA 30332 USAC. Giuri - DESY, Platanenallee 6, D-15738 Zeuthen, GermanyO. Gueta - DESY, Platanenallee 6, D-15738 Zeuthen, GermanyD. Hanna - McGill Univ, Phys Dept, Montreal, PQ H3A 2T8, CanadaT. Hassan - DESY, Platanenallee 6, D-15738 Zeuthen, GermanyO. Hervet - Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USAJ. Holder - Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USAG. Hughes - Harvard & Smithsonian, Ctr Astrophys, Cambridge, MA 02138 USAT. B. Humensky - Columbia Univ, Phys Dept, New York, NY 10027 USAC. A. Johnson - Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USAP. Kaaret - Univ Iowa, Dept Phys & Astron, Van Allen Hall, Iowa City, IA 52242 USAM. Kertzman - Depauw Univ, Dept Phys & Astron, Greencastle, IN 46135 USAD. Kieda - Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USAM. Krause - DESY, Platanenallee 6, D-15738 Zeuthen, GermanyF. Krennrich - Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USAS. Kumar - McGill Univ, Phys Dept, Montreal, PQ H3A 2T8, CanadaM. J. Lang - Natl Univ Ireland Galway, Sch Phys, Univ Rd, Galway, IrelandG. Maier - DESY, Platanenallee 6, D-15738 Zeuthen, GermanyP. Moriarty - Natl Univ Ireland Galway, Sch Phys, Univ Rd, Galway, IrelandR. Mukherjee - Columbia Univ, Barnard Coll, Dept Phys & Astron, New York, NY 10027 USAM. Nievas-Rosillo - DESY, Platanenallee 6, D-15738 Zeuthen, GermanyS. O'Brien - McGill Univ, Phys Dept, Montreal, PQ H3A 2T8, CanadaR. A. Ong - Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USAK. Pfrang - DESY, Platanenallee 6, D-15738 Zeuthen, GermanyM. Pohl - Univ Potsdam, Inst Phys & Astron, D-14476 Potsdam, GermanyR. R. Prado - DESY, Platanenallee 6, D-15738 Zeuthen, GermanyE. Pueschel - DESY, Platanenallee 6, D-15738 Zeuthen, GermanyJ. Quinn - Univ Coll Dublin, Sch Phys, Dublin 4, IrelandK. Ragan - McGill Univ, Phys Dept, Montreal, PQ H3A 2T8, CanadaP. T. Reynolds - Cork Inst Technol, Dept Phys Sci, Cork, IrelandD. Ribeiro - Columbia Univ, Phys Dept, New York, NY 10027 USAG. T. Richards - Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USAE. Roache - Harvard & Smithsonian, Ctr Astrophys, Cambridge, MA 02138 USAA. C. Rovero - CONICET UBA, IAFE, CC 67 Suc 28,C1428ZAA, Buenos Aires, DF, ArgentinaSadeh - DESY, Platanenallee 6, D-15738 Zeuthen, GermanyM. Santander - Univ Alabama, Dept Phys & Astron, Tuscaloosa, AL 35487 USAG. H. Sembroski - Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USAK. Shahinyan - Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USASushch - Univ Potsdam, Inst Phys & Astron, D-14476 Potsdam, GermanyT. Svraka - Calif State Univ East Bay, Dept Phys, Hayward, CA 94542 USAA. Weinstein - Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USAR. M. Wells - Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USAP. Wilcox - Univ Iowa, Dept Phys & Astron, Van Allen Hall, Iowa City, IA 52242 USAA. Wilhelm - Univ Potsdam, Inst Phys & Astron, D-14476 Potsdam, GermanyD. A. Williams - Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USAT. J. Williamson - Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USAB. Zitzer - McGill Univ, Phys Dept, Montreal, PQ H3A 2T8, Canada
- Publication Details
- The Astrophysical journal, v 885(2), p150
- Publisher
- Iop Publishing Ltd
- Number of pages
- 8
- Grant note
- NSERC in Canada; Natural Sciences and Engineering Research Council of Canada (NSERC) National Science Foundation; National Science Foundation (NSF) U.S. Department of Energy Office of Science; United States Department of Energy (DOE) U.S. Department of Energy's Office of Science; United States Department of Energy (DOE) Smithsonian Institution DE-AC02-05CH11231 / National Energy Research Scientific Computing Center (NERSC), a U.S. Department of Energy Office of Science User Facility Marie Curie Intra-European Fellowship within the 7th European Community Framework Programme; European Commission DJEI/DES/SFI/HEA Irish Centre for High-End Computing (ICHEC); Science Foundation Ireland U.S. National Science Foundation; National Science Foundation (NSF) Young Investigators Program of the Helmholtz Association
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physics
- Web of Science ID
- WOS:000501793100001
- Scopus ID
- 2-s2.0-85075313404
- Other Identifier
- 991019201385004721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Astronomy & Astrophysics