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He, P; Zhang, YZ; He, P , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Multiple and strong luminosity evolution in the population of elliptical galaxies
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
KeywordNumber Count
AbstractThe traditional single burst and passive evolution model for elliptical galaxies should not be accepted. In this paper we demonstrate further by comparison of the model predictions with the observed B-X color distribution of galaxies, that the internal extinction by dust cannot save the traditional scenario for ellipticals either. Hence we do not agree with Zepf's (S.E. Zepf, Nature 390 (1997) 377) argument that such a scenario could still survive if ellipticals might have formed in dusty starburst environments. Furthermore, we have also found that the luminosity evolution within the population of ellipticals should be strong, complicated or multiple, which is not favored by our previous study of number counts for ellipticals. The conflicting results simply suggest that the pure luminosity evolution model should not be accepted, and hence the number evolution for ellipticals is a straightforward inference. Our conclusions hold in any one of the three cosmological models, i.e., flat, open, or Lambda-dominated, under consideration.
1999
ISSN0253-6102
Volume32Issue:1Pages:155-160
Subject AreaPhysics
Indexed BySCI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13115
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHe, P , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
He, P,Zhang, YZ,He, P , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Multiple and strong luminosity evolution in the population of elliptical galaxies[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1999,32(1):155-160.
APA He, P,Zhang, YZ,&He, P , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(1999).Multiple and strong luminosity evolution in the population of elliptical galaxies.COMMUNICATIONS IN THEORETICAL PHYSICS,32(1),155-160.
MLA He, P,et al."Multiple and strong luminosity evolution in the population of elliptical galaxies".COMMUNICATIONS IN THEORETICAL PHYSICS 32.1(1999):155-160.
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