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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 4.

The magnitude distribution of the counts of candidate counterparts in each of the six fields, by band. Many of the crossmatched counterparts are fainter than the Gaia, PanSTARRS, and SDSS limiting magnitudes. Only measurements where the S/N ≥5, where S/N = psfFlux/psfFluxErr, are in the histograms.

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