czsky/en/star/hr7139.md

392 B

name constellation created_by created_date updated_by updated_date
δ Lyr Lyr 8mag 2022-01-21 17:00:00 skybber 2022-02-10 16:46:33.846352

an easily observable optical binary at a distance of 620", one component of which is colored strongly red (with slightly variable brightness ranging from 4.3 to 4.4mag) and the other pale blue (5.5mag). They can be distinguished by a triad.