Results 121 to 130 of about 270,460 (312)
Starburst Galaxies in Their Last Billion Years: An Hδ Absorption Line Selected Sample
The Astrophysical JournalIn this paper, we focus on the study of starburst galaxies in their final billion years. Our galaxy selection is based solely on the presence of the H δ absorption line, which permits the later evolution of starburst galaxies to be traced, coinciding ...
Shumei Wu +3 more
doaj +1 more source
Starburst and AGN activity in ultraluminous infrared galaxies
, 2003 (Abridged) We examine the power source of 41 local Ultraluminous Infrared Galaxies using archival infrared and optical photometry. We fit the observed Spectral Energy Distributions (SEDs) with starburst and AGN components; each component being drawn from
Afonso, J. +5 more
core +1 more source
Wolf–Rayet stars in starburst galaxies
New Astronomy Reviews, 2000 Wolf-Rayet stars have been detected in a large number of galaxies experiencing intense bursts of star formation. All stars initially more massive than a certain, metallicity-dependent, value are believed to experience the Wolf-Rayet phase at the end of their evolution, just before collapsing in supernova explosion.
Mas-Hesse, J. Miguel +2 more
openaire +3 more sources
Starburst galaxies and the X-ray background [PDF]
Astronomy & Astrophysics, 2003 Integrated X-ray spectra of an evolving population of starburst galaxies (SBGs) are determined based on the observed spectra of local SBGs. In addition to emission from hot gas and binary systems, our model SBG spectrum includes a nonthermal component from Compton scattering of relativistic electrons by the intense ambient far-IR and the (steeply ...
Persic, M., Rephaeli, Y.
openaire +2 more sources
Polycyclic aromatic hydrocarbon feature deficit of starburst galaxies in the AKARI North Ecliptic Pole Deep field [PDF]
, 2014 We study the behaviour of polycyclic aromatic hydrocarbon (PAH) emission in galaxies at z = 0.3–1.4 using 1868 samples from the revised catalogue of AKARI North Ecliptic Pole Deep survey.
K. Murata +8 more
semanticscholar +1 more source
Extragalactic gamma-ray background from AGN winds and star-forming galaxies in cosmological galaxy formation models [PDF]
, 2017 We derive the contribution to the extragalactic gamma-ray background (EGB) from AGN winds and star-forming galaxies by including a physical model for the gamma-ray emission produced by relativistic protons accelerated by AGN-driven and supernova-driven ...
Antonelli, L. A. +6 more
core +2 more sources
The first galaxies: signatures of the initial starburst [PDF]
Monthly Notices of the Royal Astronomical Society, 2009 Detection of the radiation emitted from the first galaxies at z > 10 will be made possible in the next decade, with the launch of the James Webb Space Telescope (JWST). We carry out cosmological radiation hydrodynamics simulations of Population III (Pop III) starbursts in a 10^8 M_Sun dwarf galaxy at z = 12.5.
Johnson, Jarrett L. +4 more
openaire +2 more sources
The Astrophysical JournalRecent observations and theories have presented a strong challenge to the universality of the stellar initial mass function (IMF) in extreme environments. A notable example has been found for starburst conditions, where evidence favors a top-heavy IMF, i.
Ziyi Guo +7 more
doaj +1 more source
Dust and gas in luminous proto-cluster galaxies at z=4.05: the case for different cosmic dust evolution in normal and starburst galaxies [PDF]
, 2014 We measure the dust and gas content of the three sub-millimeter galaxies (SMGs) in the GN20 proto-cluster at z=4.05 using new IRAM Plateau de Bure interferometer (PdBI) CO(4-3) and 1.2-3.3mm continuum observations.
Q. Tan +16 more
semanticscholar +1 more source
CO-Observations of Post-Starburst Galaxies
Astrophysics and Space Science, 2001 The so-called starburst phenomenon is an issue of great importance for the evolution of galaxies. Although a lot of progress has been made in this field, it is still unknown how they evolve.
Barden, M +3 more
openaire +2 more sources