Dossier for Guly and Oro Twinstar
Recent Mugshot: (Note: This is an artist's drawing of Guly [on the left] and her brother.)
Height (solar diameters) = 2.3 and 3.0
Weight (mass in suns) = 3.6 and .8
Age = < 300 million years
General Description:
Guly and Oro orbit each and are classified as an eclipsing binary system. Guly is a main sequence B star (B8V; 12,000 K) and Oro is a K giant star (K2IV; 4,500 K). Guly and her brother are about 93 ly from Earth. Guly changes brightness in a regular cycle of 2.87 days (see his light curve). Guly's astronomy name is Algol. The name Algol means "demon star," from an Arabic word that means "the ghoul."
Fingerprint File for Guly Twinstar
Fingerprint Identification Chart
Other Information:
1. Light curve
2. paper
