SIMBAD references

2007MNRAS.382.1552L - Mon. Not. R. Astron. Soc., 382, 1552-1590 (2007/December-3)

Multiwavelength study of the nuclei of a volume-limited sample of galaxies - II. Optical, infrared and radio observations.

LIRA P., JOHNSON R.A., LAWRENCE A. and CID FERNANDES R.

Abstract (from CDS):

We present optical and infrared broad-band images, radio maps, and optical spectroscopy for the nuclear region of a sample of nearby galaxies. The galaxies have been drawn from a complete volume-limited sample for which we have already presented X-ray imaging. We modelled the stellar component of the spectroscopic observations to determine the star formation history of our targets. Diagnostic diagrams were used to classify the emission-line spectra and determine the ionizing mechanism driving the nuclear regions. All those sources classified as active galactic nuclei present small Eddington ratios (∼10–3 -10–6), implying a very slow growth rate of their black holes. We finally investigate the relative numbers of active and normal nuclei as a function of host galaxy luminosity and find that the fraction of active galaxies slowly rises as a function of host absolute magnitude in the MB∼ -12 to -22 range.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): galaxies: active - galaxies: general - galaxies: nuclei

VizieR on-line data: <Available at CDS (J/MNRAS/382/1552): table1.dat table2.dat table5.dat refs.dat>

Nomenclature: Table 2: [LJL2007] JHHMMSS.ss+DDMMSS.s N=21. Table 5, Fig.2: [LJL2007] NGC NNNN-N, [LJL2007] Maffei 2-N, [LJL2007] UGC 6456-N, N=47. Table B1, Fig.B1: [LJL2007] NGC 4150 a (Nos a-b), [LJL2007] NGC 6503 a (Nos a-f).

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 50

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