45 Gem
HIP 34440; 45 Gem
DoubleStar
Gem
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.44
Spectral Type
G8III
Star Color
Orange
(B-V 1.03)
Distance
465.9 ly
Position & Identifiers
RA
07h 08m 22.0s
Dec
+15° 55' 51.0"
Constellation
Gem
HR
2684
HIP
34440
Flamsteed
45 Gem
Double Cat
5812
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
15.9″
Companion Mag
10.9
Position Angle
6°
Star Colors
A: Orange
Discoverer
STT 165
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 15.9″ · PA: 6° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
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 Notes
AB optical.
Wolf 630 group.
Survey Image
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