Measurement of the Extragalactic Background Light Spectral Energy Distribution with VERITAS

A. U. Abeysekara; A. Archer; W. Benbow; R. Bird; A. Brill; R. Brose; M. Buchovecky; D. Calderon-Madera; J. L. Christiansen; W. Cui; M. K. Daniel; A. Falcone; Q. Feng; M. Fernandez-Alonso; J. P. Finley; L. Fortson; A. Furniss; A. Gent; C. Giuri; O. Gueta; D. Hanna; T. Hassan; O. Hervet; J. Holder; G. Hughes; T. B. Humensky; C. A. Johnson; P. Kaaret; M. Kertzman; D. Kieda; M. Krause; F. Krennrich; S. Kumar; M. J. Lang; G. Maier; P. Moriarty; R. Mukherjee; M. Nievas-Rosillo; S. O'brien; R. A. Ong; K. Pfrang; M. Pohl; R. R. Prado; E. Pueschel; J. Quinn; K. Ragan; P. T. Reynolds; D. Ribeiro; G. T. Richards; E. Roache; A. C. Rovero; I. Sadeh; M. Santander; G. H. Sembroski; K. Shahinyan; I. Sushch; T. Svraka; A. Weinstein; R. M. Wells; P. Wilcox; A. Wilhelm; D. A. Williams; T. J. Williamson; B. Zitzer

doi:10.3847/1538-4357/ab4817

Measurement of the Extragalactic Background Light Spectral Energy Distribution with VERITAS

A. U. Abeysekara
, A. Archer
, W. Benbow
, R. Bird
, A. Brill
, R. Brose
, M. Buchovecky
, D. Calderon-Madera
, J. L. Christiansen
, W. Cui
, M. K. Daniel
, A. Falcone
, Q. Feng
, M. Fernandez-Alonso
, J. P. Finley
, L. Fortson
, A. Furniss
, A. Gent
, C. Giuri
, O. Gueta

D. Hanna, T. Hassan, O. Hervet, J. Holder, G. Hughes, T. B. Humensky, C. A. Johnson, P. Kaaret, M. Kertzman, D. Kieda, M. Krause, F. Krennrich, S. Kumar, M. J. Lang, G. Maier, P. Moriarty, R. Mukherjee, M. Nievas-Rosillo, S. O'brien, R. A. Ong, K. Pfrang, M. Pohl, R. R. Prado, E. Pueschel, J. Quinn, K. Ragan, P. T. Reynolds, D. Ribeiro, G. T. Richards, E. Roache, A. C. Rovero, I. Sadeh, M. Santander, G. H. Sembroski, K. Shahinyan, I. Sushch, T. Svraka, A. Weinstein, R. M. Wells, P. Wilcox, A. Wilhelm, D. A. Williams, T. J. Williamson, B. Zitzer

Physics

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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- A nd 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 μm, and is in good agreement with lower limits obtained by assuming that the EBL is entirely due to radiation from cataloged galaxies.

Original language	English
Article number	150
Number of pages	0
Journal	Astrophysical Journal
Volume	885
Issue number	2
DOIs	https://doi.org/10.3847/1538-4357/ab4817
Publication status	Published - 10 Nov 2019

Authors (Note for portal: view the doc link for the full list of authors)

Authors
Abeysekara, AU;Archer, A;Benbow, W;Bird, R;Brill, A;Brose, R;Buchovecky, M;Calderon-Madera, D;Christiansen, JL;Cui, W;Daniel, MK;Falcone, A;Feng, Q;Fernandez-Alonso, M;Finley, JP;Fortson, L;Furniss, A;Gent, A;Giuri, C;Gueta, O;Hanna, D;Hassan, T;Hervet, O;Holder, J;Hughes, G;Humensky, TB;Johnson, CA;Kaaret, P;Kertzman, M;Kieda, D;Krause, M;Krennrich, F;Kumar, S;Lang, MJ;Maier, G;Moriarty, P;Mukherjee, R;Nievas-Rosillo, M;O'Brien, S;Ong, RA;Pfrang, K;Pohl, M;Prado, RR;Pueschel, E;Quinn, J;Ragan, K;Reynolds, PT;Ribeiro, D;Richards, GT;Roache, E;Rovero, AC;Sadeh, I;Santander, M;Sembroski, GH;Shahinyan, K;Sushch, I;Svraka, T;Weinstein, A;Wells, RM;Wilcox, P;Wilhelm, A;Williams, DA;Williamson, TJ;Zitzer, B

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10.3847/1538-4357/ab4817

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Abeysekara, A. U., Archer, A., Benbow, W., Bird, R., Brill, A., Brose, R., Buchovecky, M., Calderon-Madera, D., Christiansen, J. L., Cui, W., Daniel, M. K., Falcone, A., Feng, Q., Fernandez-Alonso, M., Finley, J. P., Fortson, L., Furniss, A., Gent, A., Giuri, C., ... Zitzer, B. (2019). Measurement of the Extragalactic Background Light Spectral Energy Distribution with VERITAS. Astrophysical Journal, 885(2), Article 150. https://doi.org/10.3847/1538-4357/ab4817

@article{783dc5ecd21e4bd3bf078fe858115098,

title = "Measurement of the Extragalactic Background Light Spectral Energy Distribution with VERITAS",

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- A nd 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 μm, and is in good agreement with lower limits obtained by assuming that the EBL is entirely due to radiation from cataloged galaxies.",

author = "Abeysekara, \{A. U.\} and A. Archer and W. Benbow and R. Bird and A. Brill and R. Brose and M. Buchovecky and D. Calderon-Madera and Christiansen, \{J. L.\} and W. Cui and Daniel, \{M. K.\} and A. Falcone and Q. Feng and M. Fernandez-Alonso and Finley, \{J. P.\} and L. Fortson and A. Furniss and A. Gent and C. Giuri and O. Gueta and D. Hanna and T. Hassan and O. Hervet and J. Holder and G. Hughes and Humensky, \{T. B.\} and Johnson, \{C. A.\} and P. Kaaret and M. Kertzman and D. Kieda and M. Krause and F. Krennrich and S. Kumar and Lang, \{M. J.\} and G. Maier and P. Moriarty and R. Mukherjee and M. Nievas-Rosillo and S. O'brien and Ong, \{R. A.\} and K. Pfrang and M. Pohl and Prado, \{R. R.\} and E. Pueschel and J. Quinn and K. Ragan and Reynolds, \{P. T.\} and D. Ribeiro and Richards, \{G. T.\} and E. Roache and Rovero, \{A. C.\} and I. Sadeh and M. Santander and Sembroski, \{G. H.\} and K. Shahinyan and I. Sushch and T. Svraka and A. Weinstein and Wells, \{R. M.\} and P. Wilcox and A. Wilhelm and Williams, \{D. A.\} and Williamson, \{T. J.\} and B. Zitzer",

year = "2019",

month = nov,

day = "10",

doi = "10.3847/1538-4357/ab4817",

language = "English",

volume = "885",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "American Astronomical Society",

number = "2",

}

Abeysekara, AU, Archer, A, Benbow, W, Bird, R, Brill, A, Brose, R, Buchovecky, M, Calderon-Madera, D, Christiansen, JL, Cui, W, Daniel, MK, Falcone, A, Feng, Q, Fernandez-Alonso, M, Finley, JP, Fortson, L, Furniss, A, Gent, A, Giuri, C, Gueta, O, Hanna, D, Hassan, T, Hervet, O, Holder, J, Hughes, G, Humensky, TB, Johnson, CA, Kaaret, P, Kertzman, M, Kieda, D, Krause, M, Krennrich, F, Kumar, S, Lang, MJ, Maier, G, Moriarty, P, Mukherjee, R, Nievas-Rosillo, M, O'brien, S, Ong, RA, Pfrang, K, Pohl, M, Prado, RR, Pueschel, E, Quinn, J, Ragan, K, Reynolds, PT, Ribeiro, D, Richards, GT, Roache, E, Rovero, AC, Sadeh, I, Santander, M, Sembroski, GH, Shahinyan, K, Sushch, I, Svraka, T, Weinstein, A, Wells, RM, Wilcox, P, Wilhelm, A, Williams, DA, Williamson, TJ & Zitzer, B 2019, 'Measurement of the Extragalactic Background Light Spectral Energy Distribution with VERITAS', Astrophysical Journal, vol. 885, no. 2, 150. https://doi.org/10.3847/1538-4357/ab4817

TY - JOUR

T1 - Measurement of the Extragalactic Background Light Spectral Energy Distribution with VERITAS

AU - Abeysekara, A. U.

AU - Archer, A.

AU - Benbow, W.

AU - Bird, R.

AU - Brill, A.

AU - Brose, R.

AU - Buchovecky, M.

AU - Calderon-Madera, D.

AU - Christiansen, J. L.

AU - Cui, W.

AU - Daniel, M. K.

AU - Falcone, A.

AU - Feng, Q.

AU - Fernandez-Alonso, M.

AU - Finley, J. P.

AU - Fortson, L.

AU - Furniss, A.

AU - Gent, A.

AU - Giuri, C.

AU - Gueta, O.

AU - Hanna, D.

AU - Hassan, T.

AU - Hervet, O.

AU - Holder, J.

AU - Hughes, G.

AU - Humensky, T. B.

AU - Johnson, C. A.

AU - Kaaret, P.

AU - Kertzman, M.

AU - Kieda, D.

AU - Krause, M.

AU - Krennrich, F.

AU - Kumar, S.

AU - Lang, M. J.

AU - Maier, G.

AU - Moriarty, P.

AU - Mukherjee, R.

AU - Nievas-Rosillo, M.

AU - O'brien, S.

AU - Ong, R. A.

AU - Pfrang, K.

AU - Pohl, M.

AU - Prado, R. R.

AU - Pueschel, E.

AU - Quinn, J.

AU - Ragan, K.

AU - Reynolds, P. T.

AU - Ribeiro, D.

AU - Richards, G. T.

AU - Roache, E.

AU - Rovero, A. C.

AU - Sadeh, I.

AU - Santander, M.

AU - Sembroski, G. H.

AU - Shahinyan, K.

AU - Sushch, I.

AU - Svraka, T.

AU - Weinstein, A.

AU - Wells, R. M.

AU - Wilcox, P.

AU - Wilhelm, A.

AU - Williams, D. A.

AU - Williamson, T. J.

AU - Zitzer, B.

PY - 2019/11/10

Y1 - 2019/11/10

N2 - 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- A nd 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 μm, and is in good agreement with lower limits obtained by assuming that the EBL is entirely due to radiation from cataloged galaxies.

AB - 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- A nd 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 μm, and is in good agreement with lower limits obtained by assuming that the EBL is entirely due to radiation from cataloged galaxies.

UR - https://www.scopus.com/pages/publications/85075313404

U2 - 10.3847/1538-4357/ab4817

DO - 10.3847/1538-4357/ab4817

M3 - Article

SN - 0004-637X

VL - 885

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

M1 - 150

ER -

Measurement of the Extragalactic Background Light Spectral Energy Distribution with VERITAS

Abstract

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