The dominance of quenching through cosmic times

被引:16
作者
Renzini, Alvio [1 ,2 ]
机构
[1] Osserv Astron Padova, INAF, Vicolo Osservatorio 5, I-35122 Padua, Italy
[2] Natl Astron Observ Japan, Subaru Telescope, 650 North Aohoku Pl, Hilo, HI 96720 USA
关键词
galaxies: evolution; galaxies: formation; galaxies: high-redshift; STAR-FORMATION HISTORY; SIMILAR-TO; 2; STELLAR MASS FUNCTIONS; FORMING GALAXIES; FORMATION RATES; MAIN-SEQUENCE; QUIESCENT GALAXIES; EMISSION-LINES; BILLION YEARS; EVOLUTION;
D O I
10.1093/mnrasl/slw066
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The evolution with cosmic time of the star formation rate density (SFRD) and of the main-sequence star formation rate-stellar mass relations are two well-established observational facts. In this Letter, the implications of these two relations combined are analytically explored, showing that quenching of star formation must start already at very early cosmic times and the quenched fraction then dominates ever since over the star-forming one. Thus, a simple picture of the cosmic evolution of the global SFRD is derived, in terms of the interplay between star formation and its quenching.
引用
收藏
页码:L45 / L49
页数:5
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