Free Access

Table 2

DALI parameters of the physical model.

Parameter Range
Chemistry
Chemical age 0.1–10 Myr(*),(†)
Volatile [C]/[H] 1.35 × 10−4
Volatile [O]/[H] 2.88 × 10−4
   
Physical structure
γ 1.0
ψ 0.15
hc 0.1
Rc 10−3 × 103 AU(†)
Mgas 10−5−10−1
Gas-to-dust ratio 100
   
Dust properties
flarge 0.9
χ 0.2
Composition Standard ISM(1)
fPAH 0.001
   
Stellar spectrum
Teff 4000 K + Accretion UV
L* 0.28 L
LX 1030 erg s−1
TX 3.2 × 106 K
ζcr 10−17 s−1
   
Observational geometry
i
PA
d 150 pc

Notes. (*) The age of the disk is taken into account when running the time-dependent chemistry. (†) These parameters evolve with time.

References. (1) Weingartner & Draine (2001), see also Sect. 2.5 in Facchini et al. (2017).

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.