Results 41 to 50 of about 4,901,298 (173)
Galáxias post-starburst no universo local [PDF]
, 2014 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Física, Florianópolis, 2014Galáxias post-starburst (PSB) apresentam espectros com fortes linhas de absorção na série ...
Werle, Ariel
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Sparks: The Magellan/FIRE Survey from Starburst to Post-starburst
The Astrophysical JournalRapid transitions from starburst to quiescence constitute a key evolutionary pathway in galaxy formation. Post-starburst galaxies trace this brief phase, exhibiting optical spectra dominated by intermediate-age stellar populations with strong Balmer ...
Dalya Baron +7 more
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Open Astronomy, 2011 Equivalent widths of spectral lines in the optical spectra of galaxies are commonly used to characterize their stellar populations and to get some insight on their evolution.
Fritz Jacopo +3 more
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A Simple Spectroscopic Technique to Identify Rejuvenating Galaxies
The Astrophysical Journal, 2023 Rejuvenating galaxies are unusual galaxies that fully quench and then subsequently experience a “rejuvenation” event to become star-forming once more. Rejuvenation rates vary substantially in models of galaxy formation: 10%–70% of massive galaxies are ...
Junyu Zhang +6 more
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Mapping the dynamics, star-formation rates, and chemical properties of galaxies with integral field spectroscopy [PDF]
, 2005 Major advances in the development of instruments for eight and ten meter class telescopes are revolutionising our understanding of galaxy formation. In particular, Integral Field Spectrographs (which produce a three dimensional {x, y, velocity) map of a ...
Swinbank, Anthony Mark +1 more
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The cold gas content of post-starburst galaxies [PDF]
Monthly Notices of the Royal Astronomical Society, 2013 Post-starburst galaxies, or E+A galaxies, are characterized by optical spectra showing strong Balmer absorption lines, indicating a young stellar population, and little or no emission lines, implying no active star formation. These galaxies are interpreted as a transitional population between star-forming, disc-dominated galaxies and spheroidal ...
Zwaan, Martin A. +3 more
openaire +3 more sources
Cool Gas in the Circumgalactic Medium of Massive Post Starburst Galaxies
The Open Journal of AstrophysicsObserving the interplay between galaxies and their gaseous surroundings is crucial for understanding how galaxies form and evolve, including the roles of long-lived cool gas reservoirs, starburst and AGN driven outflows.
Zoe Harvey +4 more
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Current Star Formation in Post-Starburst Galaxies? [PDF]
The Astrophysical Journal, 2001 Radio continuum observations are a probe of star formation in galaxies, and are unaffected by dust extinction. Observations of the distant rich cluster Cl 0939+4713 have detected radio galaxies classified as post-starburst (``k+a'') on the basis of their optical spectra, and presumably this situation arises from heavily dust-obscured star formation ...
Miller, Neal A., Owen, Frazer N.
openaire +2 more sources
The Astrophysical JournalRecent observations at low redshift have revealed that some post-starburst galaxies retain significant molecular gas reservoirs despite low ongoing star formation rates, challenging most theoretical predictions that rely on heating or expelling gas ...
Katherine A. Suess +14 more
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Optical polarimetry studies of Seyfert galaxies [PDF]
, 1999 Optical imaging polarimetry has been performed on seven nearby Seyfert galaxies, three with face-on and four with edge-on host galaxies of various morphological classifications.
Felton, Michelle Ann
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