Pulsations of Three Rapidly Oscillating Ap Stars TIC 96315731, TIC 72392575, and TIC 318007796
文献类型：期刊论文
| 作者 | Zhong, Hai-Jian1; Shen, Dong-Xiang1; Zhu, Chun-Hua1 ; Liu, He-Lei1; Guo, Su-Fen1; Lu, Guo-Liang2
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| 刊名 | RESEARCH IN ASTRONOMY AND ASTROPHYSICS
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| 出版日期 | 2024-08-01 |
| 卷号 | 24期号:8页码:085014 |
| 关键词 | asteroseismology techniques: photometric stars: oscillations (including pulsations) stars: chemically peculiar |
| ISSN号 | 1674-4527 |
| DOI | 10.1088/1674-4527/ad621d |
| 产权排序 | 2 |
| 英文摘要 | We analyze the frequencies of three known roAp stars, TIC 96315731, TIC 72392575, and TIC 318007796, using the light curves from the Transiting Exoplanet Survey Satellite. For TIC 96315731, the rotational and pulsational frequencies are 0.1498360 day(-1) and 165.2609 day(-1), respectively. In the case of TIC 72392575, the rotational frequency is 0.25551 day(-1). We detect a quintuplet of pulsation frequencies with a center frequency of 135.9233 day(-1), along with two signals within the second pair of rotational sidelobes of the quintuplet separated by the rotation frequency. These two signals may correspond to the frequencies of a dipole mode. In TIC 318007796, the rotational and pulsational frequencies are 0.2475021 day(-1), 192.73995 day(-1), and 196.33065 day(-1), respectively. Based on the oblique pulsator model, we calculate the rotation inclination (i) and magnetic obliquity angle (beta) for the stars, which provide the geometry of the pulsation modes. Combining the phases of the frequency quintuplets, the pulsation amplitude and phase modulation curves, and the results of spherical harmonic decomposition, we conclude that the pulsation modes of frequency quintuplets in TIC 96315731, TIC 72392575, and TIC 318007796 correspond to distorted dipole mode, distorted quadrupole mode, and distorted dipole mode, respectively. |
| WOS关键词 | DISTORTED DIPOLE MODE ; MAGNETIC-FIELDS ; ROAP STARS ; CATALOG ; DISCOVERY ; PECULIAR ; ROTATION |
| 资助项目 | NASA Explorer Program ; National Natural Science Foundation of China (NSFC)[U2031204] ; National Natural Science Foundation of China (NSFC)[12373038] ; National Natural Science Foundation of China (NSFC)[12163005] ; National Natural Science Foundation of China (NSFC)[12288102] ; China Manned Space Project[CMSCSST-2021-A10] ; Natural Science Foundation of Xinjiang[2022D01D85] ; Natural Science Foundation of Xinjiang[2022TSYCLJ0006] |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:001291501200001 |
| 出版者 | NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES |
| 资助机构 | NASA Explorer Program ; National Natural Science Foundation of China (NSFC) ; China Manned Space Project ; Natural Science Foundation of Xinjiang |
| 源URL | [http://ir.xao.ac.cn/handle/45760611-7/6914]  |
| 专题 | 研究单元未命名 |
| 通讯作者 | Zhu, Chun-Hua; Lu, Guo-Liang |
| 作者单位 | 1.Xinjiang Univ, Sch Phys Sci & Technol, Urumqi 830046, Peoples R China 2.Chinese Acad Sci, Xinjiang Astron Observ, Natl Astron Observ, Urumqi 830000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhong, Hai-Jian,Shen, Dong-Xiang,Zhu, Chun-Hua,et al. Pulsations of Three Rapidly Oscillating Ap Stars TIC 96315731, TIC 72392575, and TIC 318007796[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2024,24(8):085014. |
| APA | Zhong, Hai-Jian,Shen, Dong-Xiang,Zhu, Chun-Hua,Liu, He-Lei,Guo, Su-Fen,&Lu, Guo-Liang.(2024).Pulsations of Three Rapidly Oscillating Ap Stars TIC 96315731, TIC 72392575, and TIC 318007796.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,24(8),085014. |
| MLA | Zhong, Hai-Jian,et al."Pulsations of Three Rapidly Oscillating Ap Stars TIC 96315731, TIC 72392575, and TIC 318007796".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 24.8(2024):085014. |
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