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Date and Time of the Query: 2019-03-18 T23:09:36 PDT
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For refcode 1999A&AS..136..519G:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
1999A&AS..136..519G Central Mg_2_ indices for early-type galaxies. GOLEV V., PRUGNIEL P., SIMIEN F., LONGHETTI M. Received June 18, 1998; accepted February 1, 1999 Abstract: We present 210 new measurements of the central absorption line- strength Mg2 index for 87 early-type galaxies drawn from the Prugniel & Simien (1996) sample. 28 galaxies were not observed before. The results are compared to measurements published previously as available in HYPERCAT, and rescaled to the Lick system. The mean individual internal error on these measurements is 0.009 mag +/-0.003 mag and the mean external error is 0.012 mag +/-0.002 mag for this series of measurements. Keywords: galaxies: elliptical and lenticular, cD - galaxies: fundamental parameters - galaxies: stellar content
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