Constraining Supernova Ia Progenitors by Their Locations in Host Galactic Discs

被引：0
|
作者：
Hakobyan, A. A. [1 ]
Karapetyan, A. G. [1 ]
Barkhudaryan, L. V. [1 ]
机构：
[1] Alikhanian Natl Sci Lab, Ctr Cosmol & Astrophys, Yerevan 0036, Armenia
来源：
ASTRONOMY REPORTS | 2023年 / 67卷 / SUPPL 2期
关键词：
type Ia supernovae; spiral galaxies; stellar content; star formation; STAR-FORMATION; VERTICAL-DISTRIBUTION; GALAXIES; MASS; DETONATIONS; AGES;
D O I：
10.1134/S1063772923140081
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Among the diverse progenitor channels leading to Type Ia Supernovae (SNe Ia), there are explosions originating from white dwarfs with sub-Chandrasekhar masses. These white dwarfs undergo detonation and explosion triggered by primary detonation in the helium shell, which has been accreted from a companion star. The double-detonation model predicts a correlation between the age of the progenitor system and the near peak brightness: the younger the exploding progenitors, the brighter the SNe. In this paper, we present our recent achievements on the study of SNe Ia properties in different locations within host galactic discs and the estimation of their progenitor population ages. Observationally, we confirm the validity of the anticipated correlation between the SN photometry and the age of their progenitors.
引用
收藏
页码：S164 / S169
页数：6
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