1 Gem
HIP 28734; 1 Gem
DoubleStar
Gem
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
4.16
Spectral Type
G7III
Star Color
Orange
(B-V 0.82)
Distance
105 ly
Position & Identifiers
RA
06h 04m 07.2s
Dec
+23° 15' 48.0"
Constellation
Gem
HR
2134
HIP
28734
Flamsteed
1 Gem
Variable ID
Var?
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
0.1″
Companion Mag
5.5
Position Angle
358°
Star Colors
A: Orange
Discoverer
KUI 23
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Fusion
Stellar Notes
AB 4.7 G6III, 5.1 G8III, 13.17y, a = 0.19". Combined mag., colors. Component A is SB, 4.9, 6.9v, sep. 0.0013". | Speckle interferometric sep. 0.128" 1982.17, 0.086" 1983.93. Component C, 13.0v at 101".
Comp. B of double; 9.5966d, K 51.7k/s, V0 +31.7k/s, asini 6.82.
Propus, a name more commonly applied to HR 2216.
Survey Image
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