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Catastrophic Cooling in Superwinds. II. Exploring the Parameter Space

  • Authors: Ashkbiz Danehkar, M. S. Oey, William J. Gray

Ashkbiz Danehkar et al 2021 The Astrophysical Journal 921 .

  • Provider: AAS Journals

Caption: Figure 4.

The temperature discrepancy factor (f T T w/T adi) as a function of the metallicity (﹩\hat{Z}\equiv Z/﹩ Z = 1, 0.5, 0.25, and 0.125), the mass-loss rate (﹩\mathrm{log}{\dot{M}}_{\mathrm{sc}}=-1﹩, −2, −3, and −4 M yr−1 at Z = Z) coupled to the metallicity (﹩{\dot{M}}_{\mathrm{sc}}\propto {Z}^{0.72};﹩ see Table 1), and the wind terminal velocity (V = 250, 500, and 1000 km s−1 at Z = Z) coupled to the metallicity (V Z 0.13; see Table 1), and the ambient density (﹩\mathrm{log}{n}_{\mathrm{amb}}=0﹩, 1, 2, and 3 cm−3) computed by the MAIHEM hydrodynamic simulations with the cluster radius of R sc = 1 pc and the fixed cluster mass of 2.05 × 106 M . The current age of the hydrodynamic iteration is 1 Myr. The wind classification modes based on the temperature profile are presented, namely, the adiabatic wind (AW), adiabatic bubble (AB), adiabatic, pressure-confined (AP), catastrophic cooling (CC), catastrophic cooling bubble (CB), catastrophic cooling, pressure-confined (CP), no expanding wind (NW), and momentum-conserving (MC), while the wind modes of the optically thick models are denoted by the bold font.

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