Hot exozodiacal dust: an exocometary origin? | Astronomy & Astrophysics (A&A)

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Table 3

PR-drag pile-up scenario: minimal distance and grain size reached for each configuration.

	A0 star		F0 star		G0 star		K0 star

	r_min (au)	s_min (μm)	r_min (au)	s_min (μm)	r_min (au)	s_min (μm)	r_min (au)	s_min (μm)
Carbon	0.16	7.6	0.05	1.5	0.03	0.9	0.02	0.4
Astrosilicate	0.44	4.6	0.14	0/0.9	0.08	0/0.5	0.04	0
Glassy silicate	0.38	3.1	0.07	0	0.02	0	0.01	0

Notes. A grain size of 0 means that the grain is fully sublimated. If two values are indicated, they correspond to the final sizes for the smallest and biggest grains.

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