Castor (star) in their spectra, and all are flare stars. "α Geminorum" (Latinised to "Alpha Geminorum") is the star system's Bayer designation. Castor and Pollux are the two "heavenly twin" stars that give the constellation Gemini (meaning "twins" in Latin) its name. The name "Castor" refers specifically to Castor, one of the twin sons of Zeus and Leda in Greek and Roman mythology. The star was annotated by the Arabic description "Al-Ras al-Taum al-Muqadim", which translates as "the head of the foremost twin." In the catalogue of stars in the "Calendarium of Al Achsasi Al Mouakket", this star was designated "Aoul al
HMS Leda (1800) she lost her rudder and bilged. In the morning "Leda" was able to rescue the survivors from "King George" and , , and sent their boats and were able to rescue about 400 people from "Britannia", including Captain Brisk, his crew, and recruits for the EIC's armies. The British fleet, including "Leda", arrived in Table Bay on 5 January 1806 and anchored off Robben Island. "Leda" supported the landing of the troops. On 6 January 1807 "Leda" was in company with and at the capture of "Ann", Denning, master. "Leda" shared in the capture of the "Rolla" on 21 February.