MULTIPLE   STARS
Tom  Whitney   256-6234    E-Mail
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Star C S Mag Color A.Sep Sep.Dist Dist Period
Eta Cas P 3.4, 7.5 Y&Pr 11 ? 160 500 Y
Alfirk Cep P 3.2, 7.8 BW&BW 13 400 B 980 10,000 Y
Mizar & Alcor UMa P 2.5, 4.0 W&W 14 38 B ? 10,000 Y
Polaris UMi P 2.0, 8.2 Y&B 18 190 B 820 10,000 Y
Izar Boo Sp 2.7, 5.1 Y&W 3 22 B 210 500 Y
Cor Caroli CVn Sp 3.0, 5.5 Y&Pr 20 72 B 130 1,000,000 Y
Algorab Crv Sp 3.0, 8.5 Y&Pr 24 ? ? ?
Algieba Leo Sp 2.6, 3.4 O&Y 5 1 B 76 600 Y
Porrima Vir Sp 3.6, 3.6 YW&YW 3.5 270 M - 6.5 B 31 171 Y
Albireo Cyg Su 3.1, 5.1 Y&B 34 400 B 410 N/A
Delta Cyg Su 3.0, 6.5 BG&B 2 225 B 270 525 Y
Gamma Del Su 4.3, 5.1 Y&YG 3 20 B 100 9.000 Y
Ras Algethi Her Su 3.5, 5.4 O&G ? 65 B 430 4,000 Y
Delta Her Su 3.1, 8.0 G&Pr ? ? 95 ?
Double-
Double
Lyr Su 5.1, 6.0
6.1, 5.4
W&W
W&W
1=2.8, 2=2.6
1-2=?
1=15B, 2=16B
1-2=1.2 T
180 1=1,165 Y, 2=600Y
1-2=1 MY
Akrab Sco Su 2.6, 4.9 BW&BW 14 ? 600 ?
Nu Sco Su ? ? ? ? ? ?
Almak And F ? ? ? ? ? ?
Theta Aur W 2.6, 7.2 W&R 3.5 10 B 1110 800 Y
Iota Can W 4.2, 6.6 Y&B 30 ? ? ?
Sirius CMa W -1.4, 8.5 W&W 5 12 B 6 50 Y
Castor Gem W 2,0, 2.9, 9.1 Y&Y&R AB=2
AC=72.5
AB=8.4B, AC=100B
A=4M, B=38B, C=2M
45 AB=400Y, AC=10,000Y
A=9D, B=3D, C=20D
Alnitak Ori W 2.0, 4.2 Y&B 2.4 120 B 1,600 5,000 Y
Nalsaif Ori W 2.8, 7.3 W&B 1 605 B 2,000 10,000 Y
Rigel Ori W 0.1, 8.8 B&O 9 250 B 1,200 10,000 Y
Sigma Ori W A4, B4, C10
D7.5, E6, E8
W&B&W
Y&R&R
AB=2, AC=72 AB=8 B, AC=100 B 1,400 AB=170 Y
Trapezium Ori W 4.0, 10.3
7.5, 6.3
Gry&W,
B&R
9x19x13x13 ? 1,600 NA