2000MNRAS.316L...9D

Query : 2000MNRAS.316L...9D

2000MNRAS.316L...9D - Mon. Not. R. Astron. Soc., 316, L9-L12 (2000/July-3)

How galaxies disguise their ages.

DE PROPRIS R.

Abstract (from CDS):

We calculate the contribution to Balmer line indices from far ultraviolet component sources. We find that this is significant, and may lead to identification of spurious age differences of the order of a total span of ∼6Gyr or ∼15per cent size bursts observed a few Gyr after star formation stops. We suggest that claims for intermediate-age populations in early-type galaxies may need to be reconsidered in the light of this new evidence.

Abstract Copyright: The Royal Astronomical Society

Journal keyword(s): galaxies: evolution - galaxies: stellar content

Simbad objects: 5

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Number of rows : 5
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 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 NGC 5102 EmG 13 21 57.6100832352 -36 37 48.395156160   9.74 9.65 8.47 10.2 ~ 389 1
3 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2291 0
4 NGC 6229 GlC 16 46 58.641 +47 31 36.38   9.38 9.86     ~ 397 0
5 NGC 6791 OpC 19 20 52.8 +37 46 40   10.52 9.5     ~ 1120 0

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