A new method to derive star formation histories in dwarf galaxies

被引：0
|
作者：
Ceponis, Marius [1 ]
Stonkute, Rima [1 ,2 ]
Vansevicius, Vladas [1 ,2 ]
机构：
[1] Ctr Phys Sci & Technol, Sauletekis Av 3, LT-10257 Vilnius, Lithuania
[2] Vilnius Univ, Astron Observ, MK Ciurlionis St 29, LT-03100 Vilnius, Lithuania
来源：
DWARF GALAXIES: FROM THE DEEP UNIVERSE TO THE PRESENT | 2019年 / 14卷 / S344期
关键词：
galaxies: dwarf; galaxies: irregular; galaxies: individual Leo A;
D O I：
10.1017/S1743921318006099
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a new method to derive 2D star formation histories in dwarf irregular galaxies. Based on multicolor stellar photometry data we have found that in the Leo A galaxy during the last similar to 400 Myr star formation was propagating according to the inside-out scenario. Star-forming regions have spread strongly asymmetrically from the center and their present day distribution correlates well with the Hi surface density maps.
引用
收藏
页码：267 / 270
页数：4
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