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A fundamental planefor fieldstar-forming galaxies M. A. Lara-LópezJ. CepaÁ. Bongiovanni2010 год

A fundamental plane for field star-forming galaxies
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Аннотация: Star formation rate (SFR), metallicity and stellar mass are within the important parameters of star--forming galaxies that characterize their formation and evolution. They are known to be related to each other at low and high redshift in the mass--metallicity, mass--SFR, and metallicity--SFR relations. In this work we demonstrate the existence of a plane in the 3D space defined by the axes SFR [log(SFR)(M_sun yr^-1)], gas metallicity [12+log(O/H)], and stellar mass [log(M_star/M_sun)] of star-forming galaxies. We used star--forming galaxies from the "main galaxy sample" of the Sloan Digital Sky Survey--Data Release 7 (SDSS-DR7) in the redshift range 0.04 < z < 0.1 and r-magnitudes between 14.5 and 17.77. Metallicities, SFRs, and stellar masses were taken from the Max-Planck-Institute for Astrophysics-John Hopkins University (MPA-JHU) emission line analysis database. From a final sample of 44214 galaxies, we find for the first time a fundamental plane for field galaxies relating the SFR, gas metallicity, and stellar mass for star--forming galaxies in the local universe. One of the applications of this plane would be estimating stellar masses from SFR and metallicity. High redshift data from the literature at redshift ~2.2 and 3.5, do not show evidence for evolution in this fundamental plane.
Год издания: 2010
Авторы: M. A. Lara-López, J. Cepa, Á. Bongiovanni, A. M. Pérez García, A. Ederoclite, H. Castañeda, M. Fernández Lorenzo, M. Pović, M. ́Sanchez‐Portal
Издательство: EDP Sciences
Источник: Astronomy and Astrophysics
Ключевые слова: Galaxies: Formation, Evolution, Phenomena, Astrophysics and Star Formation Studies, Astronomy and Astrophysical Research
Другие ссылки: Astronomy and Astrophysics (PDF)
Astronomy and Astrophysics (HTML)
arXiv (Cornell University) (PDF)
arXiv (Cornell University) (HTML)
Springer Link (Chiba Institute of Technology) (HTML)
DataCite API (HTML)