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The Shell around VY Canis Majoris in SPHEREx is Likely an Artifact

  • Authors: Viraj Karambelkar, Yashvi Sharma, Kishalay De

Viraj Karambelkar et al 2026 Research Notes of the AAS 10 .

  • Provider: AAS Journals

Caption: Figure 1.

Cutouts of SPHEREx Band 1 images that have bright stars located close to pixel coordinates x = 1648 and y = 1752. The stars VY CMa, eps Oct, and GY UMa which show a clear shell are shown in the first three panels. The contrast of the shell is lower in other stars, but they all clearly show some bright spikes similar to VY CMa and eps Oct. All cutouts are plotted with a stretch of ±3σ. SPHEREx image identifiers are listed for each cutout.

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