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Binarity as the Solution to the Stellar Evolution Enigma Posed by NGC 6791

  • Authors: Giovanni Carraro, and Omar G. Benvenuto

2017 The Astrophysical Journal Letters 841 L10.

  • Provider: AAS Journals

Caption: Figure 4.

Effective temperature as a function of time for the models included in Figure 2. As in Figure 2, green, red, and blue solid lines correspond to models with masses of 0.35048, 0.37367, and 0.41344 M, respectively. The hatched areas indicate the Teff interval (due to error bars) as given in Liebert et al. (1994). B3, B4, and B5 intervals overlap in the lower hatched region, meanwhile the upper one corresponds to star B6. Notice that the Teff of the models falls inside the observed intervals during a considerable amount of time, making its detection probable.

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