Massive $z\sim1.3$ evolved galaxies revealed

Clicks: 240
ID: 272057
2003
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Abstract
We present the results of TNG near-IR low resolution spectroscopy of two (S7F5_254 and S7F5_45) sources belonging to a complete sample of 15 EROs with K' and selected from the MUNICS Survey. Both the spectra show a sharp drop in the continuum which can be ascribed only to the Balmer break. This places them at 1.2 . Their rest-frame K-band absolute magnitude is (L ). The comparison of the spectra and the photometric data with a grid of synthetic template spectra provides a redshift for S7F5_254 and for S7F5_45. The resulting lower limits to their stellar mass are and . The minimum age of the last burst of star formation in S7F5_254 is 3.5 Gyr while it is 0.5 Gyr in S7F5_45 implying a minimum formation redshift and for the two EROs respectively.
Reference Key
maraston2003astronomymassive Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors P. Saracco,Marcella Longhetti,Paola Severgnini,Roberto Della Ceca,Filippo Mannucci,R. Bender,N. Drory,Georg Feulner,F. Ghinassi,U. Hopp,Claudia Maraston;P. Saracco;Marcella Longhetti;Paola Severgnini;Roberto Della Ceca;Filippo Mannucci;R. Bender;N. Drory;Georg Feulner;F. Ghinassi;U. Hopp;Claudia Maraston;
Journal astronomy & astrophysics
Year 2003
DOI
10.1051/0004-6361:20021696
URL
https://sciprofiles.com/publication/view/66f7f60b38c5c6463bf561fc4088150a
Keywords
survey formation spectra two minimum eros redshift gyr s7f5_254 s7f5_45

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