**Table 1:** Physical parameters of NGC 4254.
Other names	M 99
	VCC 307
	${\rm CGCG~098-144}$
$\alpha$ (2000)^a	12 $^{\rm h}18^{\rm m}49.6^{\rm s}$
$\delta$ (2000)^a	14 $^{\circ}24'59''$
Morphological type^a	Sc
Distance to the cluster center ( $^{\circ}$ )	3.7
Optical diameter D₂₅^a (')	5.4
$B_{\rm T}^{0}$ ^a	10.44
Systemic heliocentric velocity^a (km s^-1)	2407 $\pm$ 3
Distance D (Mpc)	17
Vrot $_{\rm max}$ (km s^-1)	150^b
Major axis pa	68 $^{\circ}$ ^b
Inclination angle	42 $^{\circ}$ ^b
HI deficiency^c	0.17 $\pm$ 0.2

^a RC3, de Vaucouleurs et al. (1991).
^b Phookun et al. (1993).
^c Cayatte et al. (1994).