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A Systematic Study of the Long-term Mid-infrared Color Variations of Seyfert 1 Galaxies

  • Authors: Jiahua Wu, Liming Dou, Zhining Chen, Fupeng Zhang, Luis C. Ho, Yanli Ai, Tinggui Wang, Xinwen Shu, Ning Jiang, Junfeng Wang

Jiahua Wu et al 2026 The Astrophysical Journal Supplement Series 287 .

  • Provider: AAS Journals

Caption: Figure 9.

SF slope (β) binned in the Lbol–ξEdd plane. Each bin contains at least 70 sources. Two distinct trends are visible: (1) at fixed ξEdd, β increases with Lbol and (2) at fixed Lbol, β decreases with increasing ξEdd. This confirms that the Eddington ratio independently modulates the dust torus response.

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