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Table 1:

Galaxy parameters.
  NGC 278 NGC 660 NGC 3628 NGC 4631 NGC 4666
Typea SAB(rs)b SB(s)a pec; HII/Liner SAb pec sp Liner SB(s)d SABc: Liner
RA (B1950)a 00$^{\rm h}$49$^{\rm m}$14.6$^{\rm s}$ 01$^{\rm h}$40$^{\rm m}$21.7$^{\rm s}$ $11^{\rm h}17^{\rm m}40.3^{\rm s}$ $12^{\rm h}39^{\rm m}41.9^{\rm s}$ $12^{\rm h}42^{\rm m}34.8^{\rm s}$
Dec (B1950)a +47$^{\circ }$16'44'' +13$^{\circ }$23'37'' $+13^{\circ}51'49''$ $+32^{\circ}48'56''$ $-00{^\circ}11'19''$
RA (J2000)a 00$^{\rm h}$52$^{\rm m}$04.3$^{\rm s}$ 01$^{\rm h}$43$^{\rm m}$02.4$^{\rm s}$ $11^{\rm h}20^{\rm m}17.0^{\rm s}$ $12^{\rm h}42^{\rm m}08.0^{\rm s}$ $12^{\rm h}45^{\rm m}08.6^{\rm s}$
Dec (J2000)a +47$^{\circ }$33'02'' +13$^{\circ }$38'42'' $+13^{\circ}35'23''$ $+32^{\circ}32'29''$ $-00^{\circ}27'43''$
$V_{\rm LSR}^{\rm b}$ +630 $~{\rm {km~s^{-1}}}$ +841 $~{\rm {km~s^{-1}}}$ +838 $~{\rm {km~s^{-1}}}$ +618 $~{\rm {km~s^{-1}}}$ +1523 $~{\rm {km~s^{-1}}}$
Inclination ib 28$^{\circ }$ 70$^{\circ }$ 87$^{\circ }$ 86$^{\circ }$ 70$^{\circ }$
Position angle Pb 116$^{\circ }$ 45$^{\circ }$ 102$^{\circ }$ 86$^{\circ }$ 225$^{\circ }$
Distance Da, c 12.1 Mpc 13.0 Mpc 11.9 Mpc 7.7 Mpc 22.6 Mpc
Scale 58 pc/'' 63 pc/'' 58 pc/'' 37 pc/'' 109 pc/''

Notes: a NED, b Nishiyama & Nakai. (2000); van Driel et al. (1995); Irwin & Sofue (1996); Rand (2000); Walter, et al. (2004), c Moustakas & Kennicutt (2006).


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