---
name: ζ Sge
constellation: Sge
created_by: 8mag
created_date: 2022-01-21 17:00:00
updated_by: skybber
updated_date: 2022-02-11 15:30:26.859369
---
the 5.5mag main star has a guide star of 8.7mag at 8.6". In smaller telescopes this unequally bright pair is closely separated. The main star is a physical binary, indistinguishable by amateur telescopes - it appears as a bright yellow, the guide is blue. The system is 260ly distant. At a distance of 76" there is a fourth star in the sky, 11mag.