Nova Cygni 2001/2=V2275 Cyg

We present an analysis of low- and medium resolution spectra of the very fast nova, Nova Cygni 2001/2 (V2275 Cyg) obtained at nine epochs in August, September and October, 2001. The expansion velocity from hydrogen Balmer lines is found to be 2100 km s(-1), although an early Halpha profile showed a weak feature at -3500 km s(-1), too. The overall appearance of the optical spectrum is dominated by broad lines of H, He and N, therefore, the star belongs to the \He/N" subclass of novae defined by Williams (1992). Interstellar lines and bands, as well as BV photometry taken from the literature yielded to a fairly high reddening of E(B-V) = 1.(m) 0 +/- 0.(m) 1. The visual light curve was used to deduce M-V by the maximum magnitude versus rate of decline relationship. The resulting parameters are: t(0) = 2 452 141.4(-0.5)(+0.1), t(2) = 2.9 +/- 0.5 days, t(3) = 7 +/- 1 days, M-V = 9.(m)7 +/- 0.(m) 7. Adopting these parameters, the star lies between 3 kpc and 8 kpc from the Sun.