An icy Kuiper belt around the young solar-type star HD 181327

J. Lebreton; J.-C. Augereau; W.-F. Thi; A. Roberge; J. Donaldson; G. Schneider; S. T. Maddison; F. Ménard; P. Riviere-Marichalar; G. S. Mathews; I. Kamp; C. Pinte; W. R. F. Dent; D. Barrado; G. Duchêne; J.-F. Gonzalez; C. A. Grady; G. Meeus; E. Pantin; J. P. Williams; P. Woitke

doi:10.1051/0004-6361/201117714

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Volume 539 (March 2012)

A&A, 539 (2012) A17

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Table 7

Setup of ProDiMo for the gas disk model.

Parameter	Value

Elemental abundances	ISM-like
UV field	1 Habing field^a
Cosmic-ray ionization rate ζ	1.7 × 10^-17 s^-1^b
Non-thermal line width dv	0.15 km s^-1
f _PAH ^c	10^-5–10^-1

Notes.

^(a)

Dalgarno (2006),

^(b)

Standard interstellar UV field,

^(c)

f_PAH scales with the gas mass and is defined with respect to an interstellar abundance of 3 × 10^-7.

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