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The observed extragalactic background light (EBL) is affected by light attenuation due to absorption of light by galactic and intergalactic dust in the Universe. Even galactic opacity of 10-20 percent and minute universe intergalactic…

Astrophysics of Galaxies · Physics 2016-11-21 Vaclav Vavrycuk

The study of the extragalactic background light (EBL) is undergoing a renaissance. New results from very high energy experiments and deep space missions have broken the deadlock between the contradictory measurements in the optical and…

Cosmology and Nongalactic Astrophysics · Physics 2021-02-25 Simon P. Driver

The redshift ($z$) evolution of the Extragalactic Background Light (EBL) photon density is very important to understand the history of cosmological structure formation of galaxies and stars since the epoch of recombination. The EBL photons…

Cosmology and Nongalactic Astrophysics · Physics 2021-06-23 K. K. Singh , K. K. Yadav , P. J. Meintjes

The light emitted by stars and accreting compact objects through the history of the Universe is encoded in the intensity of the extragalactic background light (EBL). Knowledge of the EBL is important to understand the nature of star…

Cosmology and Nongalactic Astrophysics · Physics 2012-11-09 LAT Collaboration

Current theories assume that the low intensity of the stellar extragalactic background light (stellar EBL) is caused primarily by finite age of the Universe because the finite age limits the number of photons pumped into the space by…

Astrophysics of Galaxies · Physics 2016-05-27 Vaclav Vavrycuk

We provide measurements of the integrated galaxy light at 70, 160, 250, 350 and 500 micron using deep far-infrared and submillimeter data from space (Spitzer) and balloon platform (BLAST) extragalactic surveys. We use the technique of…

Cosmology and Nongalactic Astrophysics · Physics 2010-03-10 Ranga-Ram Chary , Alexandra Pope

We show that the accumulated light of galaxies in the ultraviolet can be evaluated from their luminosity density as a function of the evolution of the cosmic star formation rate and dust extinction properties. Constraints on the evolution…

Astrophysics · Physics 2009-11-10 J. -M. Deharveng , V. Buat , B. Milliard

The gamma-ray bursts hosts (GRBHs) are excellent targets to study the extinction properties of dust and its effects on the global emission of distant galaxies. The dust extinction curve is measured along the GRB afterglow line of sight and…

Astrophysics of Galaxies · Physics 2018-10-03 D. Corre , V. Buat , S. Basa , S. Boissier , J. Japelj , J. Palmerio , R. Salvaterra , S. D. Vergani , T. Zafar

Taking three independent approaches, we investigate the simultaneous constraints set on the cosmic star formation history from various observations, including stellar mass density and extragalactic background light (EBL). We compare results…

Astrophysics · Physics 2008-11-26 Kentaro Nagamine , Jeremiah P. Ostriker , Masataka Fukugita , Renyue Cen

We present predictions for the UV-to-mm extragalactic background light (EBL) from a recent version of the GALFORM semi-analytical model of galaxy formation which invokes a top-heavy stellar initial mass function (IMF) for galaxies…

Astrophysics of Galaxies · Physics 2019-06-19 William. I. Cowley , Cedric G. Lacey , Carlton M. Baugh , Shaun Cole , Carlos S. Frenk , Claudia del P. Lagos

The extragalactic background light (EBL) consists of integrated light from all sources of emission throughout the history of the universe. At near-infrared wavelengths, the EBL is dominated by stellar emission across cosmic time; however,…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-09 Yun-Ting Cheng , Tzu-Ching Chang

The Extragalactic Background Light (EBL) stands for the mean surface brightness of the sky as we would see it from a representative vantage point in the intergalactic space outside of our Milky Way Galaxy. Averaged over the whole 4 pi solid…

Astrophysics of Galaxies · Physics 2019-05-23 Kalevi Mattila , Petri Väisänen

The extragalactic background light (EBL) is of fundamental importance both for understanding the entire process of galaxy evolution and for gamma-ray astronomy. However, the overall spectrum of the EBL between 0.1 and 1000 microns has never…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Alberto Domínguez

Current limits on the intensity of the extragalactic infrared background are consistent with the expected contribution from evolving galaxies. Depending on the behaviour of the star formation rate and of the initial mass function, we can…

Astrophysics · Physics 2009-10-22 G. De Zotti , A. Franceschini , P. Mazzei , L. Toffolatti , L. Danese

(Abridged) The extragalactic background light (EBL) observed at multiple wavelengths is a promising tool to probe the nature of dark matter since it might contain a significant contribution from gamma-rays produced promptly by dark matter…

Cosmology and Nongalactic Astrophysics · Physics 2011-06-30 Jesus Zavala , Mark Vogelsberger , Tracy R. Slatyer , Abraham Loeb , Volker Springel

The optical/far-IR extragalactic background light (EBL) from both resolved and unresolved extragalactic sources is an indicator of the total luminosity of cosmic structures, as the cumulative emission from young and evolved galactic…

Astrophysics · Physics 2007-05-23 Piero Madau , Francesco Haardt , Lucia Pozzetti

Cumulative optical and infrared emission from galaxies accumulated over cosmological time scales, the extragalactic background light (EBL), could be probed by complementary techniques of direct observations and source counting in the…

High Energy Astrophysical Phenomena · Physics 2020-01-15 A. Korochkin , A. Neronov , D. Semikoz

I review recent observational and theoretical progress in our understanding of the cosmic evolution of luminous sources. Through a combination of deep imaging, Keck spectroscopy, and COBE background measurements, important constraints have…

Astrophysics · Physics 2007-05-23 Piero Madau

[Abridged] We investigate the global galaxy evolution over 12 Gyr (0.05<z<4.5), from the star formation rate density (SFRD), combining the VVDS Deep (17.5<=I<=24.0) and Ultra-Deep (23.00<=i<=24.75) surveys. We obtain a single homogeneous…

Very high energy (VHE; $E \geq$ 100GeV) $\gamma-$ray from cosmological distances are attenuated by the extragalactic background light (EBL) in the IR to UV band. By contrasting measured versus intrinsic emission, the EBL photon density can…

High Energy Astrophysical Phenomena · Physics 2020-09-01 Longhua Qin , Jiancheng Wang , Quangui Gao , Weiwei Na , Huaizhen Li , Ju Ma , Jianping Yang