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A Linear Divider Between the Blue Sequence and Red Sequence in Color–Magnitude Space

  • Authors: Derrick James, Barbara S. Ryden

Derrick James and Barbara S. Ryden 2022 Research Notes of the AAS 6 .

  • Provider: AAS Journals

Caption: Figure 1.

Color–magnitude diagram (u − r vs. M r ) for the SDSS galaxy sample. Blue dots are the optimal 〈u − r〉 for each absolute magnitude bin. Cyan line is the linear color divider.

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