SIMBAD references

2006A&A...445...79A - Astronomy and Astrophysics, volume 445, 79-91 (2006/1-1)

Nearby early-type galaxies with ionized gas. II. Line-strength indices for 18 additional galaxies.


Abstract (from CDS):

We previously presented a data-set of line-strength indices for 50 early-type galaxies in the nearby Universe. The galaxy sample is biased toward galaxies showing emission lines, located in environments corresponding to a broad range of local galaxy densities, although predominantly in low density environments. The present addendum enlarges the above data-set of line-strength indices by analyzing 18 additional early-type galaxies (three galaxies, NGC 3607, NGC 5077 and NGC 5898 were presented in the previous set). We measured 25 line-strength indices, defined by the Lick IDS ``standard'' system (Trager et al., 1998ApJS..116....1T; Worthey & Ottaviani, 1997ApJS..111..377W), for 7 luminosity weighted apertures and 4 gradients of each galaxy. This addendum presents the line-strength data-set and compares it with the available data in the literature.

Abstract Copyright:

Journal keyword(s): galaxies: elliptical and lenticular, cD - galaxies: fundamental parameters - galaxies: formation - galaxies: evolution

VizieR on-line data: <Available at CDS (J/A+A/445/79): table1.dat table5.dat table6.dat table8.dat table9.dat>

Simbad objects: 64

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