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Forged by Feedback: Stellar Properties of Brightest Group Galaxies in Cosmological Simulations

  • Authors: Ruxin Barré, Arif Babul, Ghassem Gozaliasl, Alexis Finoguenov, Romeel Davé, Aviv Padawer-Blatt, Douglas Rennehan, Vida Saeedzadeh, Renier T. Hough, Thomas R. Quinn

Ruxin Barré et al 2026 The Astrophysical Journal 1001 .

  • Provider: AAS Journals

Caption: Figure 4.

BGG sSFR distributions. The top panel depicts the full BGG samples, the middle panel shows BGGs in the low-M* bin with ﹩\mathrm{log}({M}_{* }/{M}_{\odot })﹩ < 11.23, and the bottom panel shows BGGs in the high-M* bin with ﹩\mathrm{log}({M}_{* }/{M}_{\odot })\gtrsim 11.23﹩ (see Table 1). All BGGs with ﹩\mathrm{log}({\rm{sSFR}}/{{\rm{yr}}}^{-1})\,\leqslant \,-12﹩ are set to ﹩\mathrm{log}({\rm{sSFR}}/{{\rm{yr}}}^{-1})﹩ = −14 to account for the minimum detection threshold of sSFR (see the text). All other formatting follows that of Figure 3. The table contains the results of two-sided K-S tests comparing the simulation samples’ distributions of measurable ﹩\mathrm{log}({\rm{sSFR}}/{{\rm{yr}}}^{-1})\gt -12﹩ to that of the COSMOS sample. The top, middle, and bottom rows, respectively, compare ﹩\mathrm{log}({\rm{sSFR}}/{{\rm{yr}}}^{-1})\gt -12﹩ distributions in the full, low-M*, and high-M* samples.

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