脉动变量tyc 3292-1328-1的CCD光度测定、周期分析及演化状态

K. Alton
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引用次数: 0

摘要

以TYC 3292-1328-1为研究对象,获得了一个高振幅δ scuti型(HADS)系统的多色(BVIc) ccd光度数据。利用离散傅里叶变换完成了精确时间序列光曲线(LC)数据的分析,揭示了在10.20831±0.00027 d-1处振荡的平均基模(f0)以及其他五个部分谐波(2f0和6f0)。在对每个剩余信号进行连续预白化后,所有带通共享的其他统计显著频率未被分解。虽然在文献中没有发现其他最大值时间,但本文报道了26个新的ToMx值。利用PAdova & TRieste恒星演化代码(PARSEC)生成恒星轨迹和等时线,对TYC 3292-1328-1的演化状态、年龄和物理性质进行了建模。此时,TYC 3292-1328-1的所有可用结果都与它作为HADS变量的分类一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
CCD PHOTOMETRY, PERIOD ANALYSIS AND EVOLUTIONARY STATUS OF THE PULSATING VARIABLE TYC 3292-1328-1
Multi-color (BVIc) CCD-derived photometric data were acquired from TYC 3292-1328-1, a pulsating variable classified as a high amplitude δ Scuti-type (HADS) system. Analysis of precise time-series lightcurve (LC) data was accomplished using discrete Fourier transformation which revealed a mean fundamental mode (f0) of oscillation at 10.20831±0.00027 d-1 along with five other partial harmonics (2f0 and 6f0). No other statistically significant frequency shared by all bandpasses was resolved following successive pre-whitening of each residual signal. While no other times-of-maximum were found in the literature, 26 new ToMx values are reported herein. The evolutionary status, age and physical nature of TYC 3292-1328-1 were modeled using the PAdova & TRieste Stellar Evolution Code (PARSEC) for generating stellar tracks and isochrones. At this time, all available results for TYC 3292-1328-1 are consistent with its classification as a HADS variable.
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