SIMBAD references

During some Algol-like minima flare-like events in the optical light curves of UX Ori-type stars were observed. Flare-like events with amplitudes 0.15-1.0 mag in the V passband sometimes were observed after the minimum of the star brightness. After the flare the star returns to the initial state. UV-excesses with an amplitude of U-B = 0.15-0.20 mag sometimes appear near the minimum brightness, but not simultaneously with the optical flare. We suggest that these flare-like phenomena indicate the fall of a large amount of circumstellar matter onto the young star.