Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Zhao, Er-Gang"'
Autor:
Li, Min-Yu, Qian, Sheng-Bang, Zhou, Ai-Ying, Zhu, Li-Ying, Liao, Wen-Ping, Zhao, Er-Gang, Shi, Xiang-Dong, Li, Fu-Xing, Sun, Qi-Bin
Heartbeat stars (HBSs) with tidally excited oscillations (TEOs) are ideal astrophysical laboratories for studying the internal properties of the systems. In this paper, five new HBSs exhibiting TEOs are discovered using TESS photometric data. The orb
Externí odkaz:
http://arxiv.org/abs/2408.01019
Autor:
Li, Min-Yu, Qian, Sheng-Bang, Zhou, Ai-Ying, Zhu, Li-Ying, Liao, Wen-Ping, Zhao, Er-Gang, Shi, Xiang-Dong, Li, Fu-Xing, Sun, Qi-Bin
Heartbeat stars (HBSs) are ideal astrophysical laboratories to study the formation and evolution of binary stars in eccentric orbits and the internal structural changes of their components under strong tidal action. We discover 23 new HBSs based on T
Externí odkaz:
http://arxiv.org/abs/2407.18621
Autor:
Li, Min-Yu, Qian, Sheng-Bang, Zhu, Li-Ying, Liao, Wen-Ping, Zhao, Er-Gang, Shi, Xiang-Dong, Li, Fu-Xing, Sun, Qi-Bin
We present the eclipsing Heartbeat Star KIC 9704906 with tidally excited oscillations (TEOs) and gamma Doradus/delta Scuti hybrid pulsations. The derived parameters show that it has an orbital period of $P$=8.7529108(1) days, a high eccentricity of $
Externí odkaz:
http://arxiv.org/abs/2405.01801
Autor:
Li, Min-Yu, Qian, Sheng-Bang, Zhu, Li-Ying, Guo, Zhao, Liao, Wen-Ping, Zhao, Er-Gang, Shi, Xiang-Dong, Li, Fu-Xing, Sun, Qi-Bin
Tidally excited oscillations (TEOs) in Heartbeat Stars (HBSs) are an essential probe of the internal properties of the systems, but their potential has yet to be fully exploited. Based on the orbital parameters of TEO candidates from our previous wor
Externí odkaz:
http://arxiv.org/abs/2401.08222
Autor:
Sun, Qi-Bin, Qian, Sheng-Bang, Zhu, Li-Ying, Liao, Wen-Ping, Zhao, Er-Gang, Li, Fu-Xing, Shi, Xiang-Dong, Li, Min-Yu
TV Col is a long-period eclipsing intermediate polar (IPs) prototype star for the negative superhump (NSH) system. We investigate the eclipse minima, eclipse depth, and NSH amplitude based on TESS photometry. Using the same analytical method as SDSS
Externí odkaz:
http://arxiv.org/abs/2401.08162
Autor:
Sun, Qi-Bin, Qian, Sheng-Bang, Zhu, Li-Ying, Liao, Wen-Ping, Zhao, Er-Gang, Li, Fu-Xing, Shi, Xiang-Dong, Li, Min-Yu
Negative superhumps (NSHs) are signals a few percent shorter than the orbital period of a binary star and are considered to originate from the reverse precession of the tilted disk. Based on TESS photometry, we find nine new cataclysmic variable star
Externí odkaz:
http://arxiv.org/abs/2309.11033
Autor:
Li, Min-Yu, Qian, Sheng-Bang, Zhu, Li-Ying, Liao, Wen-Ping, Zhao, Er-Gang, Shi, Xiang-Dong, Li, Fu-Xing, Sun, Qi-Bin, Li, Ping
Publikováno v:
ApJ 962 44 (2024)
Heartbeat stars (HBSs) with tidally excited oscillations (TEOs) are ideal laboratories for studying the effect of equilibrium and dynamical tides. However, studies of TEOs in Kepler HBSs are rare due to the need for better modeling of the equilibrium
Externí odkaz:
http://arxiv.org/abs/2309.05060
Autor:
Sun, Qi-Bin, Qian, Sheng-Bang, Zhu, Li-Ying, Liao, Wen-Ping, Zhao, Er-Gang, Li, Fu-Xing, Shi, Xiang-Dong, Li, Min-Yu
Super-orbital signals and negative superhumps are thought to be related to the reverse precession of the nodal line in a tilted disk, but the evidence is lacking. Our results provide new evidence for the precession of the tilted disk. Based on the TE
Externí odkaz:
http://arxiv.org/abs/2303.11847
Autor:
Sun, Qi-Bin, Qian, Sheng-Bang, Zhu, Li-Ying, Dong, Ai-Jun, Zhi, Qi-Jun, Liao, Wen-Ping, Zhao, Er-Gang, Han, Zhong-Tao, Liu, Wei, Zang, Lei, Li, Fu-Xing, Shi, Xiang-Dong
HS 2325+8205 is a long-period eclipsing dwarf nova with an orbital period above the period gap (Porb>3 h) and is reported to be a Z Cam-type dwarf nova. Based on the photometry of the Transiting Exoplanet Survey Satellite (TESS), the light variation
Externí odkaz:
http://arxiv.org/abs/2302.05887
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