Table 4: Results from dust modelling (with 1 $\sigma$ errors).
dCSE aCSE

Source $M_{{\rm dust}}$ $T_{{\rm dust}}$ $R_{\rm s}$ $\dot{M}_{{\rm gas}}$ $\Psi$

[ $M_{\odot}$ ] [K] [cm] [ ${M}_{\odot}~{\rm yr}^{-1}$ ]

R Scl $(3.2\pm2.0)\times10^{-5}$ $75\pm15$ $(1.2\pm0.6)\times10^{17}$ < $3.8\times10^{-7}$ $1.7\times10^{-3}$

U Cam $1.5\times10^{-6} {-} 1.0\times10^{-3}$ $70\pm45$ - < $4.0\times10^{-7}$ $1.2\times10^{-3}$

U Ant $(1.3\pm1.2)\times10^{-4}$ $55\pm20$ $(5.1\pm4.0)\times10^{17}$ < $7.0\times10^{-8}$ $3.0\times10^{-3}$

V644 Sco $(1.4\pm0.9)\times10^{-4}$ $61\pm9$ $(1.8\pm0.7)\times10^{17}$ < $5.0\times10^{-8}$ -

DR Ser $(3.5\pm2.5)\times10^{-5}$ $68\pm13$ $(1.5\pm0.7)\times10^{17}$ < $7.0\times10^{-8}$ -

S Sct $(8.0\pm7.0)\times10^{-4}$ $34\pm9$ $(1.3\pm0.8)\times10^{18}$ < $8.0\times10^{-8}$ -

TT Cyg $(4.3\pm3.7)\times10^{-4}$ $39\pm10$ $(6.9\pm4.1)\times10^{17}$ < $3.2\times10^{-8}$ -

**Table 4:** Results from dust modelling (with 1 $\sigma$ errors).
	dCSE	aCSE
Source	$M_{{\rm dust}}$	$T_{{\rm dust}}$	$R_{\rm s}$	$\dot{M}_{{\rm gas}}$	$\Psi$
	[ $M_{\odot}$ ]	[K]	[cm]	[ ${M}_{\odot}~{\rm yr}^{-1}$ ]
R Scl	$(3.2\pm2.0)\times10^{-5}$	$75\pm15$	$(1.2\pm0.6)\times10^{17}$	< $3.8\times10^{-7}$	$1.7\times10^{-3}$
U Cam	$1.5\times10^{-6} {-} 1.0\times10^{-3}$	$70\pm45$	-	< $4.0\times10^{-7}$	$1.2\times10^{-3}$
U Ant	$(1.3\pm1.2)\times10^{-4}$	$55\pm20$	$(5.1\pm4.0)\times10^{17}$	< $7.0\times10^{-8}$	$3.0\times10^{-3}$
V644 Sco	$(1.4\pm0.9)\times10^{-4}$	$61\pm9$	$(1.8\pm0.7)\times10^{17}$	< $5.0\times10^{-8}$	-
DR Ser	$(3.5\pm2.5)\times10^{-5}$	$68\pm13$	$(1.5\pm0.7)\times10^{17}$	< $7.0\times10^{-8}$	-
S Sct	$(8.0\pm7.0)\times10^{-4}$	$34\pm9$	$(1.3\pm0.8)\times10^{18}$	< $8.0\times10^{-8}$	-
TT Cyg	$(4.3\pm3.7)\times10^{-4}$	$39\pm10$	$(6.9\pm4.1)\times10^{17}$	< $3.2\times10^{-8}$	-

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations
	3 Radiative transfer
	4 Dust modelling
	5 Molecular line modelling
	6 Discussion
	7 Conclusions
	References