Table 1: Values of different parameters used in Crifo & Rodionov (1997) equations. $T_{\rm g}$ is taken from Rodionov et al. (2002); $\rho _{\rm d}$ from Olsson-Steel (1987).
Symbol Name Value

$\gamma$ ratio of specific (water) heats $\frac{4}{3}$

$T_{\rm g}$ temperature of gas [100;175] K

m mass of gas molecule 18 amu

A geometric albedo of nucleus 0.04

$c_{\odot}$ solar constant $1353~{\rm W~m}^{-2}$

$\rho _{\rm d}$ dust density $2000~{\rm kg~m}^{-3}$

$\alpha_{\rm s}$ coefficient of sublimation 1

$L_{\rm s}$ latent heat of sublimation $2833 \: 10^3 \: {\rm J~kg}^{-1}$

$r_{\rm h}$ heliocentric distance $q \le r_{\rm h} \le 3.0$ au

z angle to subsolar point $-90^\circ \le z \le 90^\circ$

$\epsilon$ emissivity 0.9

$T_{\rm i}$ temperature of pure ice $\simeq$ 180 K

$a_\star$ critical radius a few $\mu$ m

**Table 1:** Values of different parameters used in Crifo & Rodionov (1997) equations. $T_{\rm g}$ is taken from Rodionov et al. (2002); $\rho _{\rm d}$ from Olsson-Steel (1987).
Symbol	Name	Value
$\gamma$	ratio of specific (water) heats	$\frac{4}{3}$
$T_{\rm g}$	temperature of gas	[100;175] K
m	mass of gas molecule	18 amu
A	geometric albedo of nucleus	0.04
$c_{\odot}$	solar constant	$1353~{\rm W~m}^{-2}$
$\rho _{\rm d}$	dust density	$2000~{\rm kg~m}^{-3}$
$\alpha_{\rm s}$	coefficient of sublimation	1
$L_{\rm s}$	latent heat of sublimation	$2833 \: 10^3 \: {\rm J~kg}^{-1}$
$r_{\rm h}$	heliocentric distance	$q \le r_{\rm h} \le 3.0$ au
z	angle to subsolar point	$-90^\circ \le z \le 90^\circ$
$\epsilon$	emissivity	0.9
$T_{\rm i}$	temperature of pure ice	$\simeq$ 180 K
$a_\star$	critical radius	a few $\mu$ m

Source LaTeX | All tables | In the text

	Introduction
	1 General description of the method and hypotheses
	2 Terminal velocity of dust particles ejected by the comet
	3 Cometary dust production
	4 From cometary dust production to ZHR determination
	5 Discussion
	Conclusion
	Appendix A: How to compute the K parameter
	Appendix B: Total dust production rates
	Appendix C: Different index
	References