Mebsuta
Epsilon Gem
HIP 32246; Epsilon Gem; 27 Gem
DoubleStar
Gem
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
2.98
Spectral Type
G9Ib
Star Color
Red
(B-V 1.40)
Distance
843.0 ly
Position & Identifiers
RA
06h 43m 55.9s
Dec
+25° 07' 52.0"
Constellation
Gem
HR
2473
HIP
32246
Bayer
Epsilon
Flamsteed
27 Gem
Double Cat
5381
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Visibility
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Multiple Star System
Separation
109.9″
Companion Mag
9.6
Position Angle
95°
Star Colors
A: Red
Discoverer
S 533
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 109.9″ · PA: 95° · 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
Companion 9.22V, +1.13(B-V), +0.91(U-B), K0III-IV.
Red star Pleiades group.
Strong He 10830 emission and absorption.
Mebsuta; Melucta; Meboula.
Occultation diam. = 0.0018 - 0.0056".
Survey Image
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