The quenching of star formation in accretion-driven clumpy turbulent tori of active galactic nuclei

Free Access

Table 3

Observed/assumed torus and derived cloud properties within the turbulent clumpy disk model.

Alfvén velocity^a	v _A	1	km s^-1


torus radius	R	5	pc
torus gas mass	M _torus	1.2 × 10⁶	M _⊙
rotation velocity	v _rot	110	km s^-1
torus velocity dispersion	v _turb	50	km s^-1
Toomre parameter	Q	5
torus height	H	2.27	pc


Mass accretion rate^b	Ṁ	0.2–4.8	M_⊙ yr^-1

cloud^c area filling factor	Φ_A	0.41
cloud volume filling factor	Φ_V	0.014
cloud mass	M _cl	115	M _⊙
cloud size	l _cl	0.08	pc
cloud velocity dispersion	v _cl	6	km s^-1
cloud density	ρ _cl	9 × 10⁶	cm^-3
cloud column density	N _cl	2 × 10²⁴	cm^-2

Notes.

^(a)

The Alfvén velocity is assumed to be constant over all scales.

^(b)

Derived quantity. The range corresponds to ν = Φ_Vv_turbH and ν = Φ_Av_turbH.

^(c)

All cloud properties are derived from the model.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.