DOI | 10.1038/s41586-020-2226-8
|
| Very regular high-frequency pulsation modes in young intermediate-mass stars |
| Zhao, Chuangqi1; Zhang, Pengchao1; Zhou, Jiajia1,2; Qi, Shuanhu1,2; Yamauchi, Yoshihiro3; Shi, Ruirui1; Fang, Ruochen1; Ishida, Yasuhiro3; Wang, Shutao4; Tomsia, Antoni P.1,5; Jiang, Lei1,4,5,6; Liu, Mingjie1,2,5,6
|
| 2020-04-01
|
发表期刊 | NATURE
![](/C666/image/waiting.gif) |
ISSN | 0028-0836
|
EISSN | 1476-4687
|
出版年 | 2020
|
卷号 | 581期号:7807页码:147-+ |
文章类型 | Article
|
语种 | 英语
|
国家 | Australia; Denmark; USA; England; Peoples R China; France; Belgium; Germany; Lithuania |
英文关键词 | Asteroseismology probes the internal structures of stars by using their natural pulsation frequencies(1). It relies on identifying sequences of pulsation modes that can be compared with theoretical models, which has been done successfully for many classes of pulsators, including low-mass solar-type stars(2), red giants(3), high-mass stars(4) and white dwarfs(5). However, a large group of pulsating stars of intermediate mass-the so-called delta Scuti stars-have rich pulsation spectra for which systematic mode identification has not hitherto been possible(6,7). This arises because only a seemingly random subset of possible modes are excited and because rapid rotation tends to spoil regular patterns(8-10). Here we report the detection of remarkably regular sequences of high-frequency pulsation modes in 60 intermediate-mass main-sequence stars, which enables definitive mode identification. The space motions of some of these stars indicate that they are members of known associations of young stars, as confirmed by modelling of their pulsation spectra.
The pulsation spectra of intermediate-mass stars (so-called delta Scuti stars) have been challenging to analyse, but new observations of 60 such stars reveal remarkably regular sequences of high-frequency pulsation modes.
|
领域 | 地球科学
; 气候变化
; 资源环境
|
收录类别 | SCI-E
|
WOS记录号 | WOS:000532836000024
|
WOS关键词 | DELTA-SCUTI STARS
; FOCUS IMAGING SPECTROGRAPH
; AFRICAN LARGE TELESCOPE
; RAPIDLY ROTATING STARS
; LAMBDA-BOOTIS STARS
; A-TYPE STARS
; SPECTROSCOPIC SURVEY
; STELLAR PARAMETERS
; VELOCITIES
; AMPLITUDE
|
WOS类目 | Multidisciplinary Sciences
|
WOS研究方向 | Science & Technology - Other Topics
|
引用统计 |
|
文献类型 | 期刊论文
|
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/281042
|
专题 | 地球科学 资源环境科学 气候变化
|
作者单位 | 1.Beihang Univ, Sch Chem, Minist Educ, Key Lab Bioinspired Smart Interfacial Sci & Tech, Beijing, Peoples R China; 2.Beihang Univ, Int Res Inst Multidisciplinary Sci, Beijing, Peoples R China; 3.RIKEN Ctr Emergent Matter Sci, Wako, Saitama, Japan; 4.Chinese Acad Sci, Tech Inst Phys & Chem, CAS Ctr Excellence Nanosci, CAS Key Lab Bioinspired Mat & Interfacial Sci, Beijing, Peoples R China; 5.Beihang Univ, Beijing Adv Innovat Ctr Biomed Engn, Beijing, Peoples R China; 6.Beihang Univ, Res Inst Frontier Sci, Beijing, Peoples R China
|
推荐引用方式 GB/T 7714 |
Zhao, Chuangqi,Zhang, Pengchao,Zhou, Jiajia,et al. Very regular high-frequency pulsation modes in young intermediate-mass stars[J].
NATURE,2020,581(7807):147-+.
|
APA |
Zhao, Chuangqi.,Zhang, Pengchao.,Zhou, Jiajia.,Qi, Shuanhu.,Yamauchi, Yoshihiro.,...&Liu, Mingjie.(2020).Very regular high-frequency pulsation modes in young intermediate-mass stars.NATURE,581(7807),147-+.
|
MLA |
Zhao, Chuangqi,et al."Very regular high-frequency pulsation modes in young intermediate-mass stars".NATURE 581.7807(2020):147-+.
|
修改评论