Z Andromedae
Star system
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Z Andromedae is a binary star system consisting of a red giant and a white dwarf. It is the prototype of a type of cataclysmic variable star known as symbiotic variable stars or simply Z Andromedae variables. Wikipedia
Apparent magnitude (V): 11.896
B−V color index: +1.35
Distance: 6,400 ± 400 ly; (2,000 ± 100 pc)
U−B color index: −0.49