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Table 1

Basic properties of NGC 891.

Property Value Reference

RA (J2000) NEDa
Dec (J2000) + NED
Hubble type SA(s)b de Vaucouleurs et al. (1976)
Distance 9.6 Mpc Strickland et al. (2004)
Optical major axis 13.5 arcmin de Vaucouleurs et al. (1991)
Optical minor axis 2.5 arcmin de Vaucouleurs et al. (1991)
Major axis angle 22° NED
Inclination angle 89° Xilouris et al. (1998)
B-band luminosity 7.8 ×109L de Vaucouleurs et al. (1991)
Rotational velocity 225 km s-1 van der Kruit (1984)
Total mass 1.4 ×1011 M Oosterloo et al. (2007)
SFR 3.8 M yr-1 Popescu et al. (2004)



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