we create our own algorithms, and lo and behold, heliacal is the word of the day: pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun"the heliacal rising of the Dog Star"; "the heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian name for the Dog Star)

nova the dog star.