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Table 3

Average equivalent width of Brγ and the SB99 derived average ages and integrated SNrates using the instantaneous starburst model.

Galaxy EW(Brγ) Ageinst SNrateinst
Å (Myr) yr-1

NGC 7632 5.9 7.0 0.03
NGC 3628 7.5 6.9 0.01
NGC 4536 10.6 6.7 0.3
NGC 1792 4.1 7.9 0.007
NGC 1084 4.8 7.3 0.009
NGC 1808 7.2 6.9 0.06
NGC 520 11.7 6.6 0.3
NGC 7552 13.7 6.7 0.3
NGC 7632 5.9 7.0 0.03
NGC 1614 22.9 6.4 0.9
NGC 6240 3.6 7.7 3.6
Arp 220 8.0 6.8 0.7

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