October 7

October 7 Leap Leap+1 Leap+2 Leap+3
1950 40Psi VIR 40Psi VIR 40Psi VIR
43Delta VIR
2000 40Psi VIR 40Psi VIR

40 Psi can be used for Leap+3 in the 1950 era and both +2 and +3 in the 2000 era. In one case you have a choice. Remember that a smaller magnitude number is a brighter star, if that is your preference.

Name: 40Psi VIR
Birthday from Jack’s initial research: Oct 7
Magnitude: 4.7-4.8
Spectrum/Star type: Red Giant
Distance in Light Years: 415
Diameter compared to Sun: more than 80
Luminosity compared to Sun: 1000
Date best observed: May 20
Additional information: 40 Psi is an irregular variable star.

Name: 43Delta VIR Lu Lim
Birthday from Jack’s initial research: Oct 8
Magnitude: 3.4
Spectrum/Star type: Red Giant
Distance in Light Years: 200
Diameter compared to Sun: 60
Luminosity compared to Sun: 630, mostly as infrared radiation
Date best observed: May 20
Additional information: Ancient Iraq:”Gazelle”. Arabic, “Auva”, meaning “Barking”, as
in Dog. The Followers of Islam could not portray the human figure(Virgo), so used an older local name of the barking dogs. 43 Delta possibly has a binary companion, but the orbit is not yet confirmed. It is a semi-regular variable star.

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