--- name: W a X Sgr constellation: Sgr created_by: 8mag created_date: 2022-01-21 17:00:00 updated_by: skybber updated_date: 2022-02-11 15:39:47.585091 --- cepheid, which change their brightness with a weekly period from fourth to fifth magnitude. X SGR lies almost on the boundary with the constellation Hadonose. It reaches 4.3mag at maximum and 4.9mag at minimum. Its period is 7.012 days. W SGR fluctuates between 4.3mag and 5mag with a period of 7.595 days.