Tags: Star.
4 Aquarii or CCDM J20514-0537 AB is a variable star with a spectral type of F5V. It is a white main-sequence star with strengthened H and K lines of Ca II and has neutral metal ionizations. 4 Aquarii is approximately 190 light-years from Earth with an absolute magnitude of 6.48.4 Aquarii is a visual binary star. 4 Aquarii B is .855 (degree seconds) from 4 Aquarii and orbits around the primary every 187 years. There are two optical companions.