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Searching for Extragalactic Exoplanets: A Survey of the Sagittarius Dwarf Galaxy Stream with TESS

  • Authors: William Schap, Jason Dittmann, Elizabeth Lada

William Schap et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 4.

H-R diagram depicting our sample of 15,176 probable Sagittarius dwarf galaxy stream members in blue against the 7993 planet host stars from the Kepler, K2, and TESS transit surveys (T. A. Berger et al. 2023) in orange. The sharp cutoffs seen at higher luminosities are the result of magnitude limit cuts in the initial P. Ramos et al. (2022) stellar sample, as well as our own cuts in stellar radius and Tmag. These cuts were used to reduce the number of evolved stars in our sample.

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