59 Serpentis, also known as d Serpentis, is a multiple star in the constellation Serpens. It is a triple star system. The primary system is a spectroscopic binary consisting of an A-type star and an orange giant, while the secondary is another orange giant. The system shows irregular variations in brightness between magnitudes 5.17 and 5.2.
References
59 Serpentis Wikipedia(Text) CC BY-SA