SS Cygni
Star
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SS Cygni is a variable star in the northern constellation Cygnus. It was discovered in 1896 by Louisa D. Wells, a computer working under Edward Pickering at Harvard College Observatory. It is the prototype of the subclass of dwarf novae that show... Wikipedia
Magnitude: 10.03
Constellation: Cygnus
Apparent magnitude (V): 7.7–12.4
Distance: 372±7 ly; (114±2 pc)
Period (P): 0.27512973 days
Radial velocity (Rv): −16.1 km/s
SIMBAD: data