czsky/en/star/hr2650.md

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name constellation created_by created_date updated_by updated_date
Mekbuda (ζ Gem) Gem editor.cs 2023-11-05 15:02:12.777134 editor.cs 2023-11-05 15:02:12.777138

One of the brightest Cepheids in the sky: the main yellow star changes its brightness in the range of 3.6mag to 4.1mag with a period of 10.15 days. Suitable comparison stars are κ (3.57mag) and υ Gem (4.07mag). One companion is located at a separation of 96" and has a brightness of 8mag, the second one is observed 87" away and has a brightness of 11mag. However, they are only optically companions. Mekbuda pulsates from a distance of 1120 light years.