废除 发表于 2025-3-28 18:31:09
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http://reply.papertrans.cn/67/6658/665703/665703_42.pngJocose 发表于 2025-3-29 02:53:37
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The Chemical Composition of Elliptical Galaxies Through Mid-UV Indices,ide. On the basis of the Index vs correlations seen in a sample of galactic globular clusters, we derived the chemical composition for all our sample galaxies. All resulting abundances are subsolar with Mg features delivering, on average, the lowest values.小画像 发表于 2025-3-29 11:54:02
The Rest-Frame UV Spectrum of Elliptical Galaxies at High Redshift,a characteristic structure due to a set of iron and magnesium lines lines at λ≃eq 2600–2850 Å in the rest frame. The same feature permits also to estimate the time elapsed since the cessation of star formation. Current efforts at observing high redshift PEGs at the VLT and SUBARU telescopes are brie过去分词 发表于 2025-3-29 16:06:57
Rest-Frame UV and Visible Properties of Early Type Galaxies at 1 < , < 2,vely evolving systems provide constraints on the formation redshift and abundances for the oldest stars at a time when the universe was roughly 1/3 its present age. The passive galaxies have spectra characteristic of F stars with strong absorption from MgII, MgI and FeII. Best fitting ages are in thIncommensurate 发表于 2025-3-29 21:56:12
http://reply.papertrans.cn/67/6658/665703/665703_48.pngpessimism 发表于 2025-3-30 01:21:22
,Near UV Properties of Early–Type Galaxies at z ~ 1,ype Galaxies (ETG) at 0.88<z<1.3. The results are in only partial agreement with the age estimates previously obtained for the same objects from an analysis of the .. ratio, derived from the Fundamental Plane (FP) parameters. In particular spectral fits seem to underestimate the age of the most lumi人充满活力 发表于 2025-3-30 07:36:08
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