Table 5: Main parameters of the studied galaxies.
Parameter HS 0822+3542 SAO 0822+3545
RA(J2000.0)   08 25 55.47   08 26 05.59
Dec(J2000.0) +35 32 32.9 +35 35 25.7
$A_{\rm B}$ (from NED) 0.20 0.20
$B_{\rm tot}$ $17.92\pm0.05^{(1)}$ $17.56\pm0.03^{(2)}$
$(B-V)_{\rm tot}^0$ $0.27\pm0.07^{(1)}$ $0.08\pm0.06^{(2)}$
$(V-R)_{\rm tot}^0$ $0.14\pm0.09^{(1)}$ $0.14\pm0.06^{(2)}$
$V_{\rm hel}(H {\sc i})$ (km s-1) 716(8) 738(8)
Dist(3) (Mpc) 11.0 11.0
$M_{\rm B}^0~{}^{(4)}$ -12.49 -12.85
Opt. size ( $^{\prime \prime }$)5 $14.8\times7.4^{(1)}$ $28.2\times15.5^{(2)}$
Opt. size (kpc) $0.79\times0.39$ $1.50\times0.83^{(2)}$
12+$\log$(O/H) 7.38(1,2) --
H I int. flux(6) 0.34(8) 0.98(8)
M(H I) (10 $^{7} M_{\odot}$) 0.97(2) 2.8(2)
M(H I)/ $L_{\rm B}^{(7)}$ 0.63(2) 1.31(2)

(1) - From Kniazev et al. (2000).
(2) - Derived in this paper.
(3) - Distance derived according to the kinematics of the
       Local Volume (Karachentsev & Makarov 2001).
(4) - Corrected for Galactic extinction A$_{\rm B}$.
(5) - $a \times b$ at $\mu_{\rm B}=25$ $.\!\!^{\rm m}$0 arcsec-2.
(6) - In units of Jy$\cdot$km s-1; (7) - in units of ( $M/L_{\rm B}$)$_{\odot}$.
(8) - From Chengalur et al. (2003).


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