--- name: W a X Sgr constellation: Sgr created_by: editor.cs created_date: 2023-11-05 15:17:15.323929 updated_by: editor.cs updated_date: 2023-11-05 15:17:15.323933 --- Cepheids, which change their brightness with a weekly period from the fourth to the fifth magnitude. X SGR is located near the border with the constellation of Sagittarius. It reaches a maximum of 4.3 mag and a minimum of 4.9 mag. Its period is 7.012 days. W SGR fluctuates between 4.3 mag and 5 mag in a period of 7.595 days.