Heliacal

The reference is to the Heliacal rising of Arcturus when it first becomes visible after the forty days of invisibility owing to the fact that it rises after the sun; this occurs on approximately September 20.

THE LANDMARK THUCYDIDES Robert B. Strassler 2003

The reference is to the Heliacal rising of Arcturus when it first becomes visible after the forty days of invisibility owing to the fact that it rises after the sun; this occurs on approximately September 20.

THE LANDMARK THUCYDIDES Robert B. Strassler 2003

Heliacal risings of Sirius on the various dates of their movable calendar.

The Catholic Encyclopedia, Volume 5: Diocese-Fathers of Mercy 1840-1916 1913

Heliacal, (Gr.) belonging to the Sun 5 Heliacal Rifing of a Star is when a Star ha - ving been under the Sun*s Beams, and confequently invifible, gets from the fame fo as to be feen again; HAia - col Setting is when a Star by the near approach of the Sun fivR becomes inconfpicuous.

Glossographia Anglicana Nova: Or, A Dictionary, Interpreting Such Hard Words of Whatever ... 1707