2001MNRAS.321..227D


Query : 2001MNRAS.321..227D

2001MNRAS.321..227D - Mon. Not. R. Astron. Soc., 321, 227-238 (2001/February-3)

A detailed two-dimensional stellar population study of M32.

DEL BURGO C., PELETIER R.F., VAZDEKIS A., ARRIBAS S. and MEDIAVILLA E.

Abstract (from CDS):

We present integral field spectroscopy of the {formmu1} circumnuclear region of M32 obtained with the 2D_FIS fibre optics spectrographs installed at the 4.2-m William Herschel Telescope. From these spectra line-strength maps have been made for about 20 absorption lines, mostly belonging to the Lick system. We find good agreement with long-slit line-strength profiles in the literature, and no radial gradients in the azimuthally averaged absorption line indices. We fit the mean values of each spectral index and colours from the literature for the inner regions of M32 to the models of Vazdekis et al. and Worthey, finding that the present data can be well interpreted for a single stellar population of an intermediate age (∼4Gyr) and a metallicity similar to solar {formmu2}

Abstract Copyright: 2001, Royal Astronomical Society

Journal keyword(s): techniques: spectroscopic - galaxies: individual: M32 - galaxies: nuclei - galaxies: stellar content

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 M 32 GiG 00 42 41.82480 +40 51 54.6120 9.51 9.03 8.08     ~ 2236 2
2 M 105 LIN 10 47 49.600 +12 34 53.87   10.56 9.76 9.12 8.18 ~ 1504 0
3 M 49 Sy2 12 29 46.8 +08 00 01   13.21 12.17     ~ 2174 2
4 M 104 LIN 12 39 59.43185902 -11 37 22.9961800 9.51 9.55 8.00 8.05   ~ 1465 2

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