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Discovery and Characterization of the Totally Eclipsing Binary TIC 189854044 in the Young Open Cluster ASCC 23

  • Authors: Huanbin Chi, 焕斌 迟, Guorui Zhang, 国蕊 张, Xuefen Tian, 雪芬 田, Yuan Yang, Ding Xu, Linfeng Chang, 林凤 常, Jingcheng Yang, Feng Wang, 锋 王, Jing Chen, 婧 陈, Yiqin Liu, 艺琴 刘

Huanbin Chi et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 11.

SED fitting of total eclipsing binary with model of KURUCZ and the obtained Teff is 6500 K. The best-fit model is overplotted on the observed flux points across UV to IR wavelengths. The elevated χ2 value likely arises from the infrared excess observed in the WISE bands, hinting at potential circumstellar material or a third body.

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