Some characteristic numbers using the cooling function from Siewert et al. (2004).
|T [K]||v [km s-1]||n [cm-3]||L cool,s||τ cool,s||L heat,s||τ heat,s|
|ISM2||106||20||40||25 kAU ≈ 0.12 pc||6 kyr||248 AU ≈ 10-3 pc||58 kyr|
|SW2||106||103||10-3||51 GAU ≈ 250 kpc||242 Myr||1241 GAU ≈ 6 Mpc||5.8 Gyr|
|L cool,h||τ cool,h||L heat,h||τ heat,h|
|ISM1||104||80||10||56 kAU ≈ 0.3 pc||3.3 kyr||2.8 MAU ≈ 14 pc||168 kyr|
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