标题： 罗曼诺的星在M33 - LBV候选体还是LBV？ 显示英文标题

标题： Romano's star in M33 - LBV candidate or LBV?

摘要： 我们展示了M33中发光蓝变星候选恒星GR290（Romano的恒星）的光变曲线。 摄影测光是在M33星系B波段的底片上进行的，覆盖了1982年至1990年的八年时间。 使用了25张底片，分为七个组。 还给出了该恒星的CCD B视星等。 我们的数据与Romano的星等（1978）分析显示，“正常”爆发的振幅超过1星等，时间尺度约为20年，以及振幅为0.5星等、周期约为320天的较小振荡。 这是LBVs的典型测光行为。 显示英文摘要

摘要： We present the light curve of Luminous Blue Variable candidate star GR290 (Romano's star) in M33. The photographic photometry was made in photographic plates taken in B band of the M33 galaxy and cover an eight year period, 1982 - 1990. Twenty five plates, separated in seven groups, have been used. CCD B magnitude of the star is also presented. The analysis of our data together with the Romano's magnitudes (1978) shows "normal" eruptions with amplitude of more than 1 mag and timescale of about 20 years and smaller oscillations with amplitude 0.5 mag and a period of about 320 days. This is a typical photometrical behavior for LBVs.