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A Catalog of Mid-infrared Variable Sources from unTimely

  • Authors: Zihan Kang, Jingyi Zhang, Yanxia Zhang, Changhua Li, Xiao Kong, Minzhi Kong, Jinghang Shi, Shirui Wei, Xue-Bing Wu, Ning Jiang

Zihan Kang et al 2026 The Astrophysical Journal Supplement Series 284 .

  • Provider: AAS Journals

Caption: Figure 1.

The ratio of the standard deviation (SD) to the mean error (σ) of the NEOWISE epoch medians (left panel) is compared to the unTimely data (right panel), as a function of the mean magnitude. This analysis was based on 5000 randomly sampled SDSS Stripe 82 standard stars. The unTimely data clearly underestimate the photometric uncertainties, particularly for bright sources.

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