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New Clues on the Nature of Extremely Red Galaxies | A. Cimatti
; E. Daddi
; S. di Serego Alighieri
; L. Pozzetti
; F. Mannucci
; A. Renzini
; E. Oliva
; G. Zamorani
; P. Andreani
; H.J.A. Röttgering
; | Date: |
8 Oct 1999 | Subject: | astro-ph | Affiliation: | Arcetri), E. Daddi (Firenze), S. di Serego Alighieri (Arcetri), L. Pozzetti (Arcetri), F. Mannucci (CAISMI), A. Renzini (ESO), E. Oliva (Arcetri), G. Zamorani (Bologna), P. Andreani (Padova), H.J.A. Röttgering (Leiden | Abstract: | We present near-infrared VLT-UT1+ISAAC spectroscopy of a sample of 9 extremely red galaxies (ERGs) with R-K>5 and K<19.0. Neither strong emission lines (F_lim<1-5 10^{-16} erg s^{-1}cm^{-2}) nor continuum breaks are detected. From near-infrared spectrophotometry, complemented with broad-band optical and near-IR photometry, we estimate ``spectro-photometric’’ redshifts to be in the range of 0.80.8. We discuss the general implications of our findings in relation with the problem of the formation of early type galaxies. | Source: | arXiv, astro-ph/9910163 | Services: | Forum | Review | PDF | Favorites |
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