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Related papers: A Catalog of Local E+A(post-starburst) Galaxies se…

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E+A galaxies are characterized as a galaxy with strong Balmer absorption lines but without any [OII] nor H$\alpha$ emission lines. The existence of strong Balmer absorption lines indicates that E+A galaxies have experienced starburst within…

Astrophysics · Physics 2009-11-10 Tomotsugu Goto

E+A galaxies are characterized as a galaxy with strong Balmer absorption lines but without any [OII] or H$\alpha$ emission lines. The existence of strong Balmer absorption lines means that E+A galaxies have experienced a starburst within…

Astrophysics · Physics 2008-11-26 Tomotsugu Goto

E+A galaxies are galaxies with strong Balmer absorption lines and with no significant emission in [OII] or H$\alpha$ lines. The existence of strong Balmer absorption lines shows that these galaxies have experienced a starburst within the…

Astrophysics · Physics 2007-05-23 Tomotsugu Goto , the SDSS collaboration

E+A galaxies are characterized as a galaxy with strong Balmer absorption lines but without any [OII] or Halpha emission lines. Strong Balmer absorption lines indicate that E+A galaxies have experienced a starburst within the last <1-1.5…

Astrophysics · Physics 2016-08-30 Tomotsugu Goto

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…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Martin A. Zwaan , Harald Kuntschner , Michael B. Pracy , Warrick J. Couch

[Abridged] We present here a new and homogeneous sample of 3340 galaxies selected from the Sloan Digital Sky Survey (SDSS) based solely on the observed strength of their Hdelta absorption line. These galaxies are commonly known as…

One important approach to the study of galaxy evolution is to identify those galaxies whose spectral and/or morphological characteristics suggest that they are in transition. For example, ``E+A'' galaxies, which have strong Balmer…

Astrophysics · Physics 2009-09-25 Ann I. Zabludoff

Post-starburst, or E+A galaxies, are the best candidates for galaxies in transition from being gas-rich and star-forming to gas-poor and passively-evolving via galaxy-galaxy mergers. To determine what E+A galaxies become after their young…

Astrophysics · Physics 2009-09-28 Yujin Yang , Ann Zabludoff , Dennis Zaritsky , Christopher Mihos

Post-starburst (E+A or k+a) spectra, characterized by their exceptionally strong Balmer lines in absorption and the lack of emission lines, belong to galaxies in which the star formation activity ended abruptly sometime during the past Gyr.…

Post-starburst galaxies are crucial to disentangling the effect of star formation and quenching on galaxy demographics. They comprise, however, a heterogeneous population of objects, described in numerous ways. To obtain a well-defined and…

Strong Balmer absorption lines and the lack of Ha and [OII] emission lines signify that E+As are post-starburst systems. Recent studies suggest that E+As may undergo the transition from the `blue cloud' to the `red sequence' and eventually…

Cosmology and Nongalactic Astrophysics · Physics 2009-11-13 Yumi Choi , Tomotsugu Goto , Suk-Jin Yoon

Brightest Cluster Galaxies (BCGs) are mostly elliptical galaxies and very rarely have prominent star formation. We found that five out of 8,812 BCGs are E+A (i.e. post-starburst) galaxies, having the H$\delta$~absorption line with an…

Astrophysics of Galaxies · Physics 2013-04-17 Feng-Shan Liu , Zhong-Lue Wen , Jin-Lin Han , Xian-Min Meng

We investigate the structural, kinematical, and spectrophotometric properties of ``E+A'' galaxies -- those with strong Balmer absorption lines but no significant [OII] emission -- using numerical simulations combined with stellar population…

Astrophysics · Physics 2014-10-13 K. Bekki , W. J. Couch , Y. Shioya , A. Vazdekis

Post-starburst (or "E+A") galaxies are characterized by low H$\alpha$ emission and strong Balmer absorption, suggesting a recent starburst, but little current star formation. Although many of these galaxies show evidence of recent mergers,…

There are multiple ways in which to select post-starburst galaxies in the literature. In this work, we present a study into how two well-used selection techniques have consequences on observable post-starburst galaxy parameters, such as…

Astrophysics of Galaxies · Physics 2017-08-11 C. L. Wilkinson , K. A. Pimbblet , J. P. Stott

We have selected a sample of local E+A galaxies from the Sloan Digital Sky Survey (SDSS) Data Release 7 for follow up integral field spectroscopy with the Wide Field Spectrograph (WiFeS) on the ANU 2.3-m telescope. The sample was selected…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Michael B. Pracy , Matt S. Owers , Warrick J. Couch , Harald Kuntschner , Kenji Bekki , Frank Briggs , Phillip Lah , Martin Zwaan

We select a sample of low-redshift (z ~ 0.1) E+A galaxies from the 2dF Galaxy Redshift Survey (2dFGRS). The spectra of these objects are defined by strong hydrogen Balmer absorption lines (H-delta, H-gamma, H-beta) combined with a lack of…

About 35 years ago a class of galaxies with unusually strong Balmer absorption lines and weak emission lines was discovered in distant galaxy clusters. These objects, alternatively referred to as post-starburst, E+A or k+a galaxies, are now…

Astrophysics of Galaxies · Physics 2019-03-27 M. M. Pawlik , S. McAlpine , J. W. Trayford , V. Wild , R. Bower , R. A. Crain , M. Schaller , J. Schaye

In a previous paper (Falkenberg, Kotulla & Fritze 2009, arXiv:0901.1665) we have shown that the classical definition of E+A galaxies excludes a significant number of post-starburst galaxies. We suggested that analysing broad-band spectral…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 M. A. Falkenberg , R. Kotulla , U. Fritze

A sample of 70 E+A galaxies are selected from 37, 206 galaxies in the second data release (DR2) of Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) according to the criteria for E+A galaxies defined by Goto, and each of…

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