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LGF > Cooling flows > Flashcards

Cooling flows Flashcards

1
Q

two particle interactions: lambda ~

A

rho^2

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2
Q

dynamical timescale

A

t_dyn~rho^1/2 ~r

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3
Q

Cooling time

A

t_c ~rho^-1 ~r^2

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4
Q

Heating mechanisms

A

AGN and SN

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5
Q

Cooling mechanisms

A 
Brehmstrahlung (T>10^7)
Collisional excitation (low T)
Recombination (low T)
IC (high densitiy, high Tcmb)
Collisonal ionisation
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6
Q

z important why?

A

Cooling

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LGF (11 decks)

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