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Optical Counterparts to X-Ray Sources in LSST DP1

  • Authors: Yuankun David Wang, Eric C. Bellm, Robert I. Hynes, Yue Zhao, Poshak Gandhi, Liliana Rivera Sandoval, Sandro Campos, Neven Caplar, Melissa DeLucchi, Konstantin Malanchev, Amy Secunda, Tobin M. Wainer

Yuankun David Wang et al 2026 The Astrophysical Journal Supplement Series 284 .

  • Provider: AAS Journals

Caption: Figure 8.

There may be a slight association between the reliability of a crossmatch and the Stetson J index of the object, as seen in the histogram on the left. The Stetson J appears to increase with a subset of brighter Objects, shown by the spur in the right plot. A possible explanation for the spur is a systematic underestimate of the photometric error. We use a symmetric logarithmic (symlog) scale for the y-axis.

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