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Home All issues Volume 499 / No 2 (May IV 2009) A&A, 499 2 (2009) 417-425 Full HTML
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Table 5:

Age estimates in Myr for the stellar population component of each off-nuclear radio galaxy and inactive elliptical galaxy together with the stellar population age of the combined RG and inactive elliptical samplesa.

Target		 CaI   CO (2.29) Young Interm.
Radio Galaxies:            
PKS 0023-33 350 1580 280 2000 315 1800
3C 29 340 1800 680 1260 510 1500
NGC 612 320 2000 630 1580 480 1800
ESO 552-G14 320 2000 320 2630 320 2300
PKS 0521-36 280 2240 - - 280 2200
ESO 528-G36 310 2000 700 1300 510 1650
NGC 6998 350 1600 - - 350 1600
PKS 2158-380 330 1800 700 1300 500 1500
Combined RG 350 2000 660 1400 500 1700
Ellipticals:            
NGC 2640 320 2000 700 1300 510 1650
NGC 4478 360 1600 270 - 320 1600
NGC 4472 280 2140 400 2000 340 2100
NGC 4546 260 2240 380 2040 320 2100
NGC 4564 280 2140 400 2000 340 2100
NGC 4621 630 1100 370 2400 500 1750
NGC 4649 280 2100 370 2100 330 2100
NGC 4697 340 1800 360 2500 350 2150
NGC 5576 260 2300 320 2800 290 2550
Combined E 340 1900 350 2200 350 2050
aColumn (1) gives the name of target; (2) and (3) best-fit young and intermediate ages based on the EWs of CaI; (4) and (5) ages based on the EWs of CO(2.29), and (6) and (7) the average age of the young and intermediate age stellar population component.

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