Gemini GEM in eye The Twins
Star Name Coords. Dist.(ly) Mag. Spect. Type of Star Features, etc.


Castor
Alpha 1 Geminorum
Alpha 2 Geminorum
Alpha 3 Geminorum
7h 34' 35.9
+31 53' 18
52 1.6
1.93
2.97
9.83v
A2 V
A1 V
M1 V
2 pairs of
Blue White
Sub Giants
and 1 pair of
Red Dwarfs
Triple Binary Syatem
Six stars total
- in a complex
orbital pattern
7h 34' 37.6
+31 52' 11
Pollux
Beta Geminorum
7h 45' 18.9
+28 1' 34
33.7 1.16 K0 III Orange Giant
Alhena
Gamma Geminorum
6h 37' 42.7
+16 23' 57
105 1.93 A0 IV Blue White
Sub Giant
Wasat
Delta Geminorum
7h 20' 7.3
+21 58' 56
59 3.5
8
F0 IV
?
White Sub Giant
1 Faint Companion
Pluto discovered
near this star, 1930
Mebsuta
Epsilon Geminorum
6h 44' 20.4
+25 07' 25.6
900 3 A6-A9 Blue White
Mekbuda
Zeta Geminorum
7h 04' 30.5
+20 33' 34.8
1168 4 G3Ibv Yellow
Supergiant
Propus
Eta Geminorum
6h 15' 16.9
+22 30' 14.8
350 3.38 M3 III Red
Giant
Lambda
Geminorum
7h 18' 5.5
+16 32' 25
94 3.58 A3 V Blue White
Main Sequence
Xi
Geminorum
6h 45' 17.3
+12 53' 44
57 3.35 F5 IV White
Sub Giant
Rho
Geminorum
7h 29' 6.6
+31 47' 4
60 4.16 F0 V White
Main Sequence
Sigma
Geminorum
7h 43' 18.7
+28 53' 0
122 4.23 K1 III Orange Giant
37 Geminorum 6h 55' 18.6
+25 22' 32
56 5.74 G0 V Yellow
Main Sequence
38 Geminorum 6h 54' 38.6
+13 10' 40
91 4.73 F0 V White
Main Sequence