Physical characters of HD 93044

The measurements ofuvby H of HD 93044 were obtained in April 1991, and the observational results that the star locates nearly in the middle of Scuti instability strip with somewhat deviation to red edge. According to Crawford (1979) and Philip's (1979) calibrations, the effective temperature, absolute visual magnitude and surface gravity are obtained to beT _eff = 7300±200 K,M _v = 1.^m33±0.39 and logg = 3.7±0.15, respectively. The observational results of _m1 = 0.01 give an estimate of Fe/H] = –0.003 ± 0.18, so the opinion of metallic deficient is not supported obviously. The observations show the reddening indexE(b -y) to be 0.014 which is 1.4 times as large as the standard deviation of Crawford's (1979) statistics.Project supported by Young Foundation of Beijing Astronomical Observatory, China