Table 1: Basic properties of Henize 2-10 and NGC 253.
Henize 2-10  
RA (1950) 08:34:07.2
Dec (1950) -14:26:06.0
Distance 6 Mpc1
Velocity (LSR) +850 km s-1
Optical size $30\hbox{$^{\prime\prime}$ }\times 40\hbox{$^{\prime\prime}$ }$
Position angle $130^{\circ}$
Inclination $44^{\circ}$
Metallicity $12 + \log(\frac{\rm O}{\rm H})\approx 8.93^{2}$
$L_{\rm FIR}$ $1.7\times10^{9}~L_{\odot}^{3}$
Absolute luminosity $L_{\rm B}$ $1.2\times10^{9}~L_{\odot}^{4}$
NGC 253  
RA (1950) 00:45:05.7
Dec (1950) -25:33:38.0
Distance 2.5 Mpc5
Velocity (LSR) +240 km s-1
Optical size $27.5\hbox{$^\prime$ }\times 6.8\hbox{$^\prime$ }$
Position angle $51^{\circ }$
Inclination $78.5^{\circ}$
Metallicity $12 + \log(\frac{\rm O}{\rm H})= 8.99\pm 0.31^{2}$
$L_{\rm FIR}$ $1.0\times10^{10}~L_{\odot}^{3}$
Absolute luminosity $L_{\rm B}$ $2.7\times10^{10}~L_{\odot}^{6}$
1 Johansson (1987).
2 Zaritsky et al. (1994).
3 Computed from formula in Imanishi & Dudley (2000) and from Sanders & Mirabel (1996).
4 Baas, Israel & Koornneef (1994).
5 As in Mauersberger et al. (1996) (see text).
6 Pence (1980).


Source LaTeX | All tables | In the text