2006ApJ...637..200Y

Query : 2006ApJ...637..200Y

2006ApJ...637..200Y - Astrophys. J., 637, 200-213 (2006/January-3)

Stellar populations of elliptical galaxies in Virgo cluster. I. The data and stellar population analysis.

YAMADA Y., ARIMOTO N., VAZDEKIS A. and PELETIER R.F.

Abstract (from CDS):

We have determined spectroscopic ages of elliptical galaxies in the Virgo Cluster using spectra of very high signal-to-noise ratio (S/N>100 Å–1). We observed eight galaxies with the Subaru Telescope and have combined this sample with six galaxies previously observed with the WHT. To determine their ages, we have used a new method based on the Hγσage indicator, which is virtually independent of the effects of metallicity. Apart from ages we have estimated abundances of various elements. In this paper we present the observations, the data reduction, and the reliability of the Hγσ method. The results of this investigation are presented in a companion paper.

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Journal keyword(s): Galaxies: Elliptical and Lenticular, cD - Galaxies: Evolution - Galaxies: Stellar Content - Techniques: Spectroscopic

Errata: erratum vol. 674, p. 612 (2008)

Simbad objects: 21

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Number of rows : 21
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 G 191-29 PM* 05 20 40.7343456003 +58 47 19.933718952   15.67   13.789   M3.5V 26 0
2 Feige 34 HS* 10 39 36.7358839104 +43 06 09.212615280 9.613 10.91 11.14 11.319 11.464 sdOp 731 0
3 NGC 4239 GiG 12 17 14.9402986344 +16 31 52.731777360   13.5       ~ 126 0
4 NGC 4339 GiP 12 23 34.9398092592 +06 04 54.467043780   13.1       ~ 255 0
5 NGC 4365 GiG 12 24 28.228 +07 19 03.07   11.5       ~ 871 0
6 M 84 Sy2 12 25 03.74333 +12 53 13.1393 12.67 12.09 10.49     ~ 1841 2
7 NGC 4387 GiG 12 25 41.6768484264 +12 48 37.804615956 13.42 13.01 12.12   10.87 ~ 409 1
8 NGC 4458 GiP 12 28 57.5613938232 +13 14 30.946545276 13.27 12.93 12.07     ~ 429 2
9 NGC 4464 GiG 12 29 21.2937802368 +08 09 23.807609316   13.5       ~ 242 0
10 NGC 4467 GiG 12 29 30.2447376768 +07 59 34.273371336   15.2       ~ 187 0
11 M 49 Sy2 12 29 46.8 +08 00 01   13.21 12.17     ~ 2174 2
12 NGC 4473 GiG 12 29 48.878 +13 25 45.55 11.60 11.16 10.20     ~ 671 1
13 NGC 4478 GiP 12 30 17.4160005576 +12 19 42.790577160 12.82 12.36 11.45   10.17 ~ 508 1
14 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
15 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
16 NGC 4489 GiG 12 30 52.2472748976 +16 45 31.866359004   13.2       ~ 264 0
17 NGC 4551 GiP 12 35 37.9542692328 +12 15 50.284593432 13.49 12.97 12.02     ~ 371 1
18 M 59 GiG 12 42 02.2581375168 +11 38 48.909507756   11.0       ~ 721 0
19 NGC 4697 GiG 12 48 35.8981498824 -05 48 02.482374564   10.97   9.83   ~ 895 0
20 NGC 5831 GiG 15 04 07.0002600408 +01 13 11.705607012   13.1   11.19   ~ 304 0
21 BD+33 2642 pA* 15 51 59.8854348048 +32 56 54.329485272 9.806 10.61 10.73 10.884 10.961 O7p 456 0

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