sentences:  The visible light lasts for weeks or months, and is distinctively red in colour, becoming dimmer and redder over time.As the visible light dims, the infrared light grows and also lasts for an extended period of time, usually dimming and brightening a number of times.Infrared observations of M85 OT2006-1 have shown that temperature of this star is slightly less than 1000 K, a rather low temperature.